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From: Dave Scott <Dave.Scott@eu.citrix.com>
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Date: Thu, 1 Dec 2011 17:27:44 +0000
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Hi George,

> This will be nice, but how we define 'auto-install'? I mean LVM vs
> plain
> partition, network settings, enabled ssh and so on? I think this kind
> of
> problem is bother all virtualization players and SUSE right now do have
> most advanced solution with yast/autoyast configuration tool.

The general case is certainly very complicated. I'd like to make it really easy to install an example configuration for testing/demo purposes ("xe vm-install"; "xe vm-start" and you're done). Probably the best we can do for the more complicated cases is attempt to support the tools the distro makers create.

> 
> N.B. I add some proposal about pre-shipped initrd/kernel.

Thanks for adding some ideas to the wiki! I like the automatic-switch-to-VM-console idea in particular.

Cheers,
Dave

_______________________________________________
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http://lists.xensource.com/mailman/listinfo/xen-api

From xen-api-bounces@lists.xensource.com Thu Dec 01 17:28:33 2011
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From: Dave Scott <Dave.Scott@eu.citrix.com>
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Hi George,

> This will be nice, but how we define 'auto-install'? I mean LVM vs
> plain
> partition, network settings, enabled ssh and so on? I think this kind
> of
> problem is bother all virtualization players and SUSE right now do have
> most advanced solution with yast/autoyast configuration tool.

The general case is certainly very complicated. I'd like to make it really easy to install an example configuration for testing/demo purposes ("xe vm-install"; "xe vm-start" and you're done). Probably the best we can do for the more complicated cases is attempt to support the tools the distro makers create.

> 
> N.B. I add some proposal about pre-shipped initrd/kernel.

Thanks for adding some ideas to the wiki! I like the automatic-switch-to-VM-console idea in particular.

Cheers,
Dave

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

From xen-api-bounces@lists.xensource.com Fri Dec 02 01:18:07 2011
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Subject: [Xen-API] Retrieving custom data from VM using XAPI?
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Hi,

Is there any way for a guest to expose information that can be read
from outside using only XAPI? VM.xenstore_data has everything from
/local/domain/{id}/vm-data but HVM guests aren't able to write there
(at least on XenServer 5.6/6.0) Guests are able to write to
/local/domain/{id}/data though. Is there any way to see this using
XAPI? Any other suggestions?

Thanks,
Tom

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From xen-api-bounces@lists.xensource.com Fri Dec 02 01:18:07 2011
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Hi,

Is there any way for a guest to expose information that can be read
from outside using only XAPI? VM.xenstore_data has everything from
/local/domain/{id}/vm-data but HVM guests aren't able to write there
(at least on XenServer 5.6/6.0) Guests are able to write to
/local/domain/{id}/data though. Is there any way to see this using
XAPI? Any other suggestions?

Thanks,
Tom

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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Subject: [Xen-API] Joining a destroyed host again to the resource pool WAS:
 Fwd: Issue XCP 1.1: Shared LVM SR - unavailable host leaves VDI attached RW
 (xe vdi-introduce not available)
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Dear Scott,
Dear List,

@Scott: that is good to now. What means later xapi builds? I am using
XCP 1.1. I tried various attemps (even restarting the machine - I think
also after the host-forget command).

Now I am currenlty facing the converse issue: Since I did a host-destroy
(in my last attempt to correct the power-state), the host is erased from
the resource pool metadata. But I want to simply add the again working
host to its old resource pool without having to make a clean sweep.

What is a good way to rejoin a destroyed host without compromising the
resource pool and the current master?
Can I somehow convert a server that was formerly part of resource pool
to be standalone again and then proceed as if it was a fresh installation?

Thanks,
Jakob

Am 23.11.11 22:05, schrieb Dave Scott:
> Hi,
>
> I believe Jon's advice in this earlier thread is still valid:
>
> http://old-list-archives.xen.org/archives/html/xen-api/2011-02/msg00066.html
>
> FYI in later xapi builds a "xe host-forget" followed by a "service xapi restart" would also fix it.
>
> HTH,
> Dave
>
>> -----Original Message-----
>> From: xen-api-bounces@lists.xensource.com [mailto:xen-api-
>> bounces@lists.xensource.com] On Behalf Of Jakob Praher
>> Sent: 23 November 2011 19:37
>> To: xen-api@lists.xensource.com
>> Subject: [Xen-API] Fwd: Issue XCP 1.1: Shared LVM SR - unavailable host
>> leaves VDI attached RW (xe vdi-introduce not available)
>>
>> Dear list,
>>
>> We observed the following issue in conjunction w/ XCP 1.1 which is a
>> _severe_ problem.
>>
>> Our environment:
>> - Two XCP 1.1 hosts in the same resource pool
>> - Shared LVM based storage repository based on DRBD
>> - VMs running on both systems stored on the shared SR
>>
>> If suddenly one host dies unexpectedly (e.g. hardware defect, power
>> issue) the metadata still assumes the VMs that were running on the
>> unavailable host are in power-state running.
>>
>> After ensuring the master to be the still available host and manually
>> resetting the power-state of the VMs running on the unavailable host we
>> faced the following problem:
>>
>>  - The VDI state was still readwrite attached allthough the whole host
>> was unavailable. This also preserved when we made the system to forget
>> the unavailable host.
>>
>>  - Even worse "xe vdi-introduce" does not work since it is not
>> supported
>> by the LVM backend. All other tricks even snapshotting the disk does
>> not
>> work, since XAPI tries to contact the dead host and this fails.
>>
>> The problem is that as long the host is down for maintenance the VMs
>> are
>> in a defective state!
>>
>> What is the way out of this dilemma?
>>
>> Best regards,
>> Jakob
>>
>> P.S.: I have not only restarted xapi but also the available host.
>>
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api


_______________________________________________
xen-api mailing list
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http://lists.xensource.com/mailman/listinfo/xen-api

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Date: Sat, 03 Dec 2011 23:33:32 +0100
From: Jakob Praher <jakob@praher.info>
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Subject: [Xen-API] Joining a destroyed host again to the resource pool WAS:
 Fwd: Issue XCP 1.1: Shared LVM SR - unavailable host leaves VDI attached RW
 (xe vdi-introduce not available)
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Dear Scott,
Dear List,

@Scott: that is good to now. What means later xapi builds? I am using
XCP 1.1. I tried various attemps (even restarting the machine - I think
also after the host-forget command).

Now I am currenlty facing the converse issue: Since I did a host-destroy
(in my last attempt to correct the power-state), the host is erased from
the resource pool metadata. But I want to simply add the again working
host to its old resource pool without having to make a clean sweep.

What is a good way to rejoin a destroyed host without compromising the
resource pool and the current master?
Can I somehow convert a server that was formerly part of resource pool
to be standalone again and then proceed as if it was a fresh installation?

Thanks,
Jakob

Am 23.11.11 22:05, schrieb Dave Scott:
> Hi,
>
> I believe Jon's advice in this earlier thread is still valid:
>
> http://old-list-archives.xen.org/archives/html/xen-api/2011-02/msg00066.html
>
> FYI in later xapi builds a "xe host-forget" followed by a "service xapi restart" would also fix it.
>
> HTH,
> Dave
>
>> -----Original Message-----
>> From: xen-api-bounces@lists.xensource.com [mailto:xen-api-
>> bounces@lists.xensource.com] On Behalf Of Jakob Praher
>> Sent: 23 November 2011 19:37
>> To: xen-api@lists.xensource.com
>> Subject: [Xen-API] Fwd: Issue XCP 1.1: Shared LVM SR - unavailable host
>> leaves VDI attached RW (xe vdi-introduce not available)
>>
>> Dear list,
>>
>> We observed the following issue in conjunction w/ XCP 1.1 which is a
>> _severe_ problem.
>>
>> Our environment:
>> - Two XCP 1.1 hosts in the same resource pool
>> - Shared LVM based storage repository based on DRBD
>> - VMs running on both systems stored on the shared SR
>>
>> If suddenly one host dies unexpectedly (e.g. hardware defect, power
>> issue) the metadata still assumes the VMs that were running on the
>> unavailable host are in power-state running.
>>
>> After ensuring the master to be the still available host and manually
>> resetting the power-state of the VMs running on the unavailable host we
>> faced the following problem:
>>
>>  - The VDI state was still readwrite attached allthough the whole host
>> was unavailable. This also preserved when we made the system to forget
>> the unavailable host.
>>
>>  - Even worse "xe vdi-introduce" does not work since it is not
>> supported
>> by the LVM backend. All other tricks even snapshotting the disk does
>> not
>> work, since XAPI tries to contact the dead host and this fails.
>>
>> The problem is that as long the host is down for maintenance the VMs
>> are
>> in a defective state!
>>
>> What is the way out of this dilemma?
>>
>> Best regards,
>> Jakob
>>
>> P.S.: I have not only restarted xapi but also the available host.
>>
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api


_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

From xen-api-bounces@lists.xensource.com Mon Dec 05 10:30:45 2011
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Subject: [Xen-API] log issues
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Hi,

We are running a pool of xcp 1 #42052 hosts.

/var/log/messages and /var/log/kern.log got hit about 2Gb las night
and crashed one of our hosts, the pool master.

What is scheduling logrotation, I can't see it in cron? I plan to up
the frequency of rotations and limit the file size of logs.

Can I also ask if there are any monitoring features built into xcp? We
use icinga for monitoring but I am reluctant to start tinkering with
xcp by installing nrpe etc.

Many thanks,

Chris

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From xen-api-bounces@lists.xensource.com Mon Dec 05 10:30:45 2011
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Hi,

We are running a pool of xcp 1 #42052 hosts.

/var/log/messages and /var/log/kern.log got hit about 2Gb las night
and crashed one of our hosts, the pool master.

What is scheduling logrotation, I can't see it in cron? I plan to up
the frequency of rotations and limit the file size of logs.

Can I also ask if there are any monitoring features built into xcp? We
use icinga for monitoring but I am reluctant to start tinkering with
xcp by installing nrpe etc.

Many thanks,

Chris

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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Ok, so I'm recovering from brain freeze after yesterdays outage and
forgot about cron.daily.

However, I'd still be keen to know about monitoring thoughts.

Thanks,

Chris

On Mon, Dec 5, 2011 at 10:29 AM, Chris Percol <chris.percol@gmail.com> wrote:
> Hi,
>
> We are running a pool of xcp 1 #42052 hosts.
>
> /var/log/messages and /var/log/kern.log got hit about 2Gb las night
> and crashed one of our hosts, the pool master.
>
> What is scheduling logrotation, I can't see it in cron? I plan to up
> the frequency of rotations and limit the file size of logs.
>
> Can I also ask if there are any monitoring features built into xcp? We
> use icinga for monitoring but I am reluctant to start tinkering with
> xcp by installing nrpe etc.
>
> Many thanks,
>
> Chris

_______________________________________________
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http://lists.xensource.com/mailman/listinfo/xen-api

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Ok, so I'm recovering from brain freeze after yesterdays outage and
forgot about cron.daily.

However, I'd still be keen to know about monitoring thoughts.

Thanks,

Chris

On Mon, Dec 5, 2011 at 10:29 AM, Chris Percol <chris.percol@gmail.com> wrote:
> Hi,
>
> We are running a pool of xcp 1 #42052 hosts.
>
> /var/log/messages and /var/log/kern.log got hit about 2Gb las night
> and crashed one of our hosts, the pool master.
>
> What is scheduling logrotation, I can't see it in cron? I plan to up
> the frequency of rotations and limit the file size of logs.
>
> Can I also ask if there are any monitoring features built into xcp? We
> use icinga for monitoring but I am reluctant to start tinkering with
> xcp by installing nrpe etc.
>
> Many thanks,
>
> Chris

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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Subject: [Xen-API] Resetting XCP configuration into factory defaults -
 simply reset state.db?
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Hi,

sorry about the noise, but there IMHO there is no good documentation
about how to reset the configuration of an XCP installation.
Is it ok to just erase the state.db and set the /etc/xensource/pool.conf
to master, to reset the Xen API part of an XCP installation?

As I wrote earlier - because of the VDI state problems I did a host
destroy and now want to simply re-add the machine (I do not mind about
the old metadata on the machine) without having to reinstall the whole
system.

Thanks for your support,
Jakob


Am 03.12.11 23:33, schrieb Jakob Praher:
> Dear Scott,
> Dear List,
>
> @Scott: that is good to now. What means later xapi builds? I am using
> XCP 1.1. I tried various attemps (even restarting the machine - I think
> also after the host-forget command).
>
> Now I am currenlty facing the converse issue: Since I did a host-destroy
> (in my last attempt to correct the power-state), the host is erased from
> the resource pool metadata. But I want to simply add the again working
> host to its old resource pool without having to make a clean sweep.
>
> What is a good way to rejoin a destroyed host without compromising the
> resource pool and the current master?
> Can I somehow convert a server that was formerly part of resource pool
> to be standalone again and then proceed as if it was a fresh installation?
>
> Thanks,
> Jakob
>
> Am 23.11.11 22:05, schrieb Dave Scott:
>> Hi,
>>
>> I believe Jon's advice in this earlier thread is still valid:
>>
>> http://old-list-archives.xen.org/archives/html/xen-api/2011-02/msg00066.html
>>
>> FYI in later xapi builds a "xe host-forget" followed by a "service xapi restart" would also fix it.
>>
>> HTH,
>> Dave
>>
>>> -----Original Message-----
>>> From: xen-api-bounces@lists.xensource.com [mailto:xen-api-
>>> bounces@lists.xensource.com] On Behalf Of Jakob Praher
>>> Sent: 23 November 2011 19:37
>>> To: xen-api@lists.xensource.com
>>> Subject: [Xen-API] Fwd: Issue XCP 1.1: Shared LVM SR - unavailable host
>>> leaves VDI attached RW (xe vdi-introduce not available)
>>>
>>> Dear list,
>>>
>>> We observed the following issue in conjunction w/ XCP 1.1 which is a
>>> _severe_ problem.
>>>
>>> Our environment:
>>> - Two XCP 1.1 hosts in the same resource pool
>>> - Shared LVM based storage repository based on DRBD
>>> - VMs running on both systems stored on the shared SR
>>>
>>> If suddenly one host dies unexpectedly (e.g. hardware defect, power
>>> issue) the metadata still assumes the VMs that were running on the
>>> unavailable host are in power-state running.
>>>
>>> After ensuring the master to be the still available host and manually
>>> resetting the power-state of the VMs running on the unavailable host we
>>> faced the following problem:
>>>
>>>  - The VDI state was still readwrite attached allthough the whole host
>>> was unavailable. This also preserved when we made the system to forget
>>> the unavailable host.
>>>
>>>  - Even worse "xe vdi-introduce" does not work since it is not
>>> supported
>>> by the LVM backend. All other tricks even snapshotting the disk does
>>> not
>>> work, since XAPI tries to contact the dead host and this fails.
>>>
>>> The problem is that as long the host is down for maintenance the VMs
>>> are
>>> in a defective state!
>>>
>>> What is the way out of this dilemma?
>>>
>>> Best regards,
>>> Jakob
>>>
>>> P.S.: I have not only restarted xapi but also the available host.
>>>
>>> _______________________________________________
>>> xen-api mailing list
>>> xen-api@lists.xensource.com
>>> http://lists.xensource.com/mailman/listinfo/xen-api
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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Subject: [Xen-API] Resetting XCP configuration into factory defaults -
 simply reset state.db?
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Hi,

sorry about the noise, but there IMHO there is no good documentation
about how to reset the configuration of an XCP installation.
Is it ok to just erase the state.db and set the /etc/xensource/pool.conf
to master, to reset the Xen API part of an XCP installation?

As I wrote earlier - because of the VDI state problems I did a host
destroy and now want to simply re-add the machine (I do not mind about
the old metadata on the machine) without having to reinstall the whole
system.

Thanks for your support,
Jakob


Am 03.12.11 23:33, schrieb Jakob Praher:
> Dear Scott,
> Dear List,
>
> @Scott: that is good to now. What means later xapi builds? I am using
> XCP 1.1. I tried various attemps (even restarting the machine - I think
> also after the host-forget command).
>
> Now I am currenlty facing the converse issue: Since I did a host-destroy
> (in my last attempt to correct the power-state), the host is erased from
> the resource pool metadata. But I want to simply add the again working
> host to its old resource pool without having to make a clean sweep.
>
> What is a good way to rejoin a destroyed host without compromising the
> resource pool and the current master?
> Can I somehow convert a server that was formerly part of resource pool
> to be standalone again and then proceed as if it was a fresh installation?
>
> Thanks,
> Jakob
>
> Am 23.11.11 22:05, schrieb Dave Scott:
>> Hi,
>>
>> I believe Jon's advice in this earlier thread is still valid:
>>
>> http://old-list-archives.xen.org/archives/html/xen-api/2011-02/msg00066.html
>>
>> FYI in later xapi builds a "xe host-forget" followed by a "service xapi restart" would also fix it.
>>
>> HTH,
>> Dave
>>
>>> -----Original Message-----
>>> From: xen-api-bounces@lists.xensource.com [mailto:xen-api-
>>> bounces@lists.xensource.com] On Behalf Of Jakob Praher
>>> Sent: 23 November 2011 19:37
>>> To: xen-api@lists.xensource.com
>>> Subject: [Xen-API] Fwd: Issue XCP 1.1: Shared LVM SR - unavailable host
>>> leaves VDI attached RW (xe vdi-introduce not available)
>>>
>>> Dear list,
>>>
>>> We observed the following issue in conjunction w/ XCP 1.1 which is a
>>> _severe_ problem.
>>>
>>> Our environment:
>>> - Two XCP 1.1 hosts in the same resource pool
>>> - Shared LVM based storage repository based on DRBD
>>> - VMs running on both systems stored on the shared SR
>>>
>>> If suddenly one host dies unexpectedly (e.g. hardware defect, power
>>> issue) the metadata still assumes the VMs that were running on the
>>> unavailable host are in power-state running.
>>>
>>> After ensuring the master to be the still available host and manually
>>> resetting the power-state of the VMs running on the unavailable host we
>>> faced the following problem:
>>>
>>>  - The VDI state was still readwrite attached allthough the whole host
>>> was unavailable. This also preserved when we made the system to forget
>>> the unavailable host.
>>>
>>>  - Even worse "xe vdi-introduce" does not work since it is not
>>> supported
>>> by the LVM backend. All other tricks even snapshotting the disk does
>>> not
>>> work, since XAPI tries to contact the dead host and this fails.
>>>
>>> The problem is that as long the host is down for maintenance the VMs
>>> are
>>> in a defective state!
>>>
>>> What is the way out of this dilemma?
>>>
>>> Best regards,
>>> Jakob
>>>
>>> P.S.: I have not only restarted xapi but also the available host.
>>>
>>> _______________________________________________
>>> xen-api mailing list
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From xen-api-bounces@lists.xensource.com Mon Dec 05 22:59:27 2011
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Subject: [Xen-API] where is the xen-dist-ocaml repository?
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Where is the xen-dist-ocaml repository?
http://xen.org/products/xcp/repositories.html directs me to
http://xenbits.xen.org/xapi/xen-dist-ocaml.hg, which says:

    Forbidden

    You don't have permission to access /xapi/xen-dist-ocaml.hg
    on this server.

http://xen.org/products/cloud_source.html also directs me to the
same broken URL.

Thanks,

Ben.
-- 
Ben Pfaff 
http://benpfaff.org

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Where is the xen-dist-ocaml repository?
http://xen.org/products/xcp/repositories.html directs me to
http://xenbits.xen.org/xapi/xen-dist-ocaml.hg, which says:

    Forbidden

    You don't have permission to access /xapi/xen-dist-ocaml.hg
    on this server.

http://xen.org/products/cloud_source.html also directs me to the
same broken URL.

Thanks,

Ben.
-- 
Ben Pfaff 
http://benpfaff.org

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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(Added xen-api list to CC.)

On 06/12/11 19:57, Enzo Lombardi wrote:
> Is there any nightly build, dev build, morning build of XCP 1.5?
> I saw a message mentioning "end of September", what happened to this
> release? What is the delay and what does the schedule looks like?

Hi Enzo,

We had hoped for a September beta at one point, but clearly this hasn't
happened. We're currently aiming for a January alpha release. The delays
have been due to our focus on Project Kronos, where we are porting the
XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of
only two people, and Kronos turned out to be quite a time consuming
project. At the same time, we are still committed to providing the
traditional XCP "appliance", as well as XCP on Debian and Ubuntu.

The problem with the XCP appliance and it's slow releases is mainly due
to our internal build system. In the past, the XCP team has had to do a
lot of manual work to convert each XenServer release into an XCP
release. Over the last year we have been tweaking our build system, and
parts of our toolstack code, to do this work for us.

The last bits of this work are almost complete. Once they are complete,
we will be able to start providing regular development snapshots of XCP,
and will be able to provide a more regular release cadence. Until this
work is complete, we don't feel that it would be worthwhile to release
an alpha of XCP 1.5, because we know it will be broken, due to the
incompleteness of our build system and toolstack changes.

I'm sorry again for the delay to XCP 1.5. We hope that the work we're
doing pays off in that future releases won't be so delayed, and
development snapshots will finally be possible. Thanks for the continued
interest in XCP.

Mike

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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(Added xen-api list to CC.)

On 06/12/11 19:57, Enzo Lombardi wrote:
> Is there any nightly build, dev build, morning build of XCP 1.5?
> I saw a message mentioning "end of September", what happened to this
> release? What is the delay and what does the schedule looks like?

Hi Enzo,

We had hoped for a September beta at one point, but clearly this hasn't
happened. We're currently aiming for a January alpha release. The delays
have been due to our focus on Project Kronos, where we are porting the
XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of
only two people, and Kronos turned out to be quite a time consuming
project. At the same time, we are still committed to providing the
traditional XCP "appliance", as well as XCP on Debian and Ubuntu.

The problem with the XCP appliance and it's slow releases is mainly due
to our internal build system. In the past, the XCP team has had to do a
lot of manual work to convert each XenServer release into an XCP
release. Over the last year we have been tweaking our build system, and
parts of our toolstack code, to do this work for us.

The last bits of this work are almost complete. Once they are complete,
we will be able to start providing regular development snapshots of XCP,
and will be able to provide a more regular release cadence. Until this
work is complete, we don't feel that it would be worthwhile to release
an alpha of XCP 1.5, because we know it will be broken, due to the
incompleteness of our build system and toolstack changes.

I'm sorry again for the delay to XCP 1.5. We hope that the work we're
doing pays off in that future releases won't be so delayed, and
development snapshots will finally be possible. Thanks for the continued
interest in XCP.

Mike

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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On 07/12/11 04:42, Admin@DotComPower.com wrote:
> I have Kronos setup fine. I have installed open-iscsi and setup the system
> as an initiator. However, I cannot seem to get xapi to allow me to setup the
> target as an SR. I was trying to use XenCenter but go nowhere. So I tried
> adding it manually and here is what I got:
> 
<snip>
> OSError: [Errno 2] No such file or directory
> 
> Does the current xapi have remote SR capability built into it yet?
> 

iSCSI SR built in? Yes. Working? Apparently not. We haven't tested this
SR type yet, and it seems that you've found a bug for us. Thanks!

The "No such file" error makes me hopeful that this will be trivia one
to fix, but I'll have to repro this myself before I know.

> If not, is it possible to set the SR as LVM and have it set to share=true so
> that I can still have the benefits of live migrations etc?
> 

Yes, that should be possible. NFS is the SR that we've tested the most
so far. Let us know how this works for you.

Mike

_______________________________________________
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(Added xen-api list as CC)

On 07/12/11 04:42, Admin@DotComPower.com wrote:
> I have Kronos setup fine. I have installed open-iscsi and setup the system
> as an initiator. However, I cannot seem to get xapi to allow me to setup the
> target as an SR. I was trying to use XenCenter but go nowhere. So I tried
> adding it manually and here is what I got:
> 
<snip>
> OSError: [Errno 2] No such file or directory
> 
> Does the current xapi have remote SR capability built into it yet?
> 

iSCSI SR built in? Yes. Working? Apparently not. We haven't tested this
SR type yet, and it seems that you've found a bug for us. Thanks!

The "No such file" error makes me hopeful that this will be trivia one
to fix, but I'll have to repro this myself before I know.

> If not, is it possible to set the SR as LVM and have it set to share=true so
> that I can still have the benefits of live migrations etc?
> 

Yes, that should be possible. NFS is the SR that we've tested the most
so far. Let us know how this works for you.

Mike

_______________________________________________
xen-api mailing list
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I started trying with Xen Hypervisor (to run a small business(10 users) 
mail (citadel) server, win 2k8 domain controller, web server (apache2 on 
debian 2 or 3 domains) and remote support server (debian, w/ gnome)).

Though the documentation was weak for just Hypervisor I was able to get 
it running on top of Debian, but it was useless because I didn't have a 
way to manage the host. (xen center, etc).  it seems that the entire xen 
center application program is lacking support even on the paid Xen 
side..  I wanted to switch to XEN because it's more open source than 
VMWare and I heard the performance is unbeatable.  But instead I ended 
up with XCP Hypervisor (which still uses core xen hypervisor, correct?) 
and now it seems, what shouldn't be much of burden on the systems, is a 
massive burden on the systems. And I am left with nowhere to really turn 
to.  My 1 hosted domain takes 1.5 minutes to load half my super easy 
company webpage from the internet and it FLY's on the intranet.  Is 
there some webpage that can help people that want to be able to diagnose 
actual issues?  Can't run the monitor/graph page in xencenter because it 
fails due to some missing plug-in (im guessing since it actually doesnt 
say).

Now a lot of this could be chalked up to my lack of Linux experience but 
it seems like I would be the core audience (small i.t. consulting 
business owner trying to make a name and lead by example) and the whole 
thing ended up getting so confusing that XCP ISO /XCP core hypervisor 
was the only option left.  this isn't what I wanted, but it was the only 
way I could get my servers online.  Was this how this whole process is 
intended?  I can't tell if XCP Hypervisor core thingy (looks just like 
the vmware esxi hypervisor) is the main focus, if Kronos is the main 
focus or running the Xen Hypervisor as a software app on a Debian/Linux 
cli is the main focus.  Could be just me, but shouldn't this be 
determined first before even 1 line of code is looked into?  I don't 
mean to be a debby downer, it just seems like all 3 are bound to fail 
because no time is dedicated to a "core" belief/program.

I just saw a post regarding Kronos and if that is taking most of the 
developers time, it makes me think I went the wrong direction with XCP.

_______________________________________________
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I started trying with Xen Hypervisor (to run a small business(10 users) 
mail (citadel) server, win 2k8 domain controller, web server (apache2 on 
debian 2 or 3 domains) and remote support server (debian, w/ gnome)).

Though the documentation was weak for just Hypervisor I was able to get 
it running on top of Debian, but it was useless because I didn't have a 
way to manage the host. (xen center, etc).  it seems that the entire xen 
center application program is lacking support even on the paid Xen 
side..  I wanted to switch to XEN because it's more open source than 
VMWare and I heard the performance is unbeatable.  But instead I ended 
up with XCP Hypervisor (which still uses core xen hypervisor, correct?) 
and now it seems, what shouldn't be much of burden on the systems, is a 
massive burden on the systems. And I am left with nowhere to really turn 
to.  My 1 hosted domain takes 1.5 minutes to load half my super easy 
company webpage from the internet and it FLY's on the intranet.  Is 
there some webpage that can help people that want to be able to diagnose 
actual issues?  Can't run the monitor/graph page in xencenter because it 
fails due to some missing plug-in (im guessing since it actually doesnt 
say).

Now a lot of this could be chalked up to my lack of Linux experience but 
it seems like I would be the core audience (small i.t. consulting 
business owner trying to make a name and lead by example) and the whole 
thing ended up getting so confusing that XCP ISO /XCP core hypervisor 
was the only option left.  this isn't what I wanted, but it was the only 
way I could get my servers online.  Was this how this whole process is 
intended?  I can't tell if XCP Hypervisor core thingy (looks just like 
the vmware esxi hypervisor) is the main focus, if Kronos is the main 
focus or running the Xen Hypervisor as a software app on a Debian/Linux 
cli is the main focus.  Could be just me, but shouldn't this be 
determined first before even 1 line of code is looked into?  I don't 
mean to be a debby downer, it just seems like all 3 are bound to fail 
because no time is dedicated to a "core" belief/program.

I just saw a post regarding Kronos and if that is taking most of the 
developers time, it makes me think I went the wrong direction with XCP.

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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On 08/12/11 10:08, Scott Zupek wrote:
> I started trying with Xen Hypervisor (to run a small business(10 users) 
> mail (citadel) server, win 2k8 domain controller, web server (apache2 on 
> debian 2 or 3 domains) and remote support server (debian, w/ gnome)).

Since a lot of your email mentions confusion between the different Xen
variants, I'll start by quickly explaining the differences.

- Xen: this is the Xen hypervisor, the thing that makes virtualization
possible. It is analogous to an operating system kernel, such as Linux.

- XenServer: this is Citrix's paid-for Xen-based product. It uses the
Xen hypervisor, much in the same way that Debian "uses" the Linux
kernel. It also includes many nice management features, most open source
and some paid-for.

- XCP: this is exactly XenServer, except only the open source bits.

It makes the most sense to think of Xen as a being like the Linux
kernel, and to thing of XenServer, XCP, or Oracle's VM platform as being
different distributions that use the Xen hypervisor.

> Though the documentation was weak for just Hypervisor I was able to get 
> it running on top of Debian, but it was useless because I didn't have a 
> way to manage the host. (xen center, etc).  it seems that the entire xen 
> center application program is lacking support even on the paid Xen 
> side.. 

XenCenter is a Citrix product that is intended for use with XenServer,
and not necessarily with XCP. The XenCenter team is working to fix a few
issues with XCP/XenCenter integration, and hopefully we'll have better
integration with the XenCenter 6.1 release.

XenCenter does have good support on the "paid Xen side," which means
that if you give Citrix money for XenServer, they will give you support
for XenCenter and XenServer.

> I wanted to switch to XEN because it's more open source than 
> VMWare and I heard the performance is unbeatable.  But instead I ended 
> up with XCP Hypervisor (which still uses core xen hypervisor, correct?) 

Yes, see above.

> and now it seems, what shouldn't be much of burden on the systems, is a 
> massive burden on the systems. And I am left with nowhere to really turn 
> to.  My 1 hosted domain takes 1.5 minutes to load half my super easy 
> company webpage from the internet and it FLY's on the intranet.  Is 
> there some webpage that can help people that want to be able to diagnose 
> actual issues? 

This does sound like a configuration issue. You should have a look at
the XCP network throughput guide for more details:

http://wiki.xen.org/wiki/Network_Throughput_Guide

> Can't run the monitor/graph page in xencenter because it 
> fails due to some missing plug-in (im guessing since it actually doesnt 
> say).

Not a missing plugin. XenCenter was meant for use with XenServer; to
XenCenter, XCP looks like an ancient version of XenServer, and that tab
doesn't handle the error very well.

Try creating the file /etc/xapi_version_override and setting its
contents to "5.6.100" (without the quotes). This is a
mostly-undocumented hack to let XCP fake it's version number.

> Now a lot of this could be chalked up to my lack of Linux experience but 
> it seems like I would be the core audience (small i.t. consulting 
> business owner trying to make a name and lead by example) and the whole 
> thing ended up getting so confusing that XCP ISO /XCP core hypervisor 
> was the only option left.  this isn't what I wanted, but it was the only 
> way I could get my servers online.  Was this how this whole process is 
> intended?  I can't tell if XCP Hypervisor core thingy (looks just like 
> the vmware esxi hypervisor) is the main focus, if Kronos is the main 
> focus or running the Xen Hypervisor as a software app on a Debian/Linux 
> cli is the main focus.  Could be just me, but shouldn't this be 
> determined first before even 1 line of code is looked into?  I don't 
> mean to be a debby downer, it just seems like all 3 are bound to fail 
> because no time is dedicated to a "core" belief/program.

The "core" program is the Xen hypervisor, and there is a strong
dedication to this. Continuing the Linux kernel vs distro analogy, this
is akin to wanting there to be only one Linux distro, instead of the
dozens we have today (Debian, Ubuntu, RHEL, SUSE, etc.). The idea is
that you've got many options available to you, not that there is no focus.

I'm not trying to say that you're wrong for feeling this way, though.
This issue is something that comes up continually on the mailing lists
and IRC channels with new Xen users. It can be quite confusing. The Xen
community has recently tried to address this issue by creating better
documentation, and we've recently had two Xen Doc Days to inspire people
to write more documentation. It's a slow process though, and we've got a
lot of work left.

> I just saw a post regarding Kronos and if that is taking most of the 
> developers time, it makes me think I went the wrong direction with XCP.

I hope that this is not the case, but I understand where you're coming
from. We want to give people many different options for using Xen and
XCP, and we want to make it easier for people to adopt XCP and it's
XenAPI toolstack. Because of this, we decided to allow people to install
the XCP toolstack on top of Debian and Ubuntu (and hopefully other
distros as well). This effort also helps XenServer and XCP run on the
upstream Linux kernel and Xen hypervisor, and will hopefully make both
products stronger in the long-term.

As I said in a previous email, from which I believe you're quoting,
we're still committed to the original XCP appliance, and are working to
make that even better too.

Mike

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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On 08/12/11 10:08, Scott Zupek wrote:
> I started trying with Xen Hypervisor (to run a small business(10 users) 
> mail (citadel) server, win 2k8 domain controller, web server (apache2 on 
> debian 2 or 3 domains) and remote support server (debian, w/ gnome)).

Since a lot of your email mentions confusion between the different Xen
variants, I'll start by quickly explaining the differences.

- Xen: this is the Xen hypervisor, the thing that makes virtualization
possible. It is analogous to an operating system kernel, such as Linux.

- XenServer: this is Citrix's paid-for Xen-based product. It uses the
Xen hypervisor, much in the same way that Debian "uses" the Linux
kernel. It also includes many nice management features, most open source
and some paid-for.

- XCP: this is exactly XenServer, except only the open source bits.

It makes the most sense to think of Xen as a being like the Linux
kernel, and to thing of XenServer, XCP, or Oracle's VM platform as being
different distributions that use the Xen hypervisor.

> Though the documentation was weak for just Hypervisor I was able to get 
> it running on top of Debian, but it was useless because I didn't have a 
> way to manage the host. (xen center, etc).  it seems that the entire xen 
> center application program is lacking support even on the paid Xen 
> side.. 

XenCenter is a Citrix product that is intended for use with XenServer,
and not necessarily with XCP. The XenCenter team is working to fix a few
issues with XCP/XenCenter integration, and hopefully we'll have better
integration with the XenCenter 6.1 release.

XenCenter does have good support on the "paid Xen side," which means
that if you give Citrix money for XenServer, they will give you support
for XenCenter and XenServer.

> I wanted to switch to XEN because it's more open source than 
> VMWare and I heard the performance is unbeatable.  But instead I ended 
> up with XCP Hypervisor (which still uses core xen hypervisor, correct?) 

Yes, see above.

> and now it seems, what shouldn't be much of burden on the systems, is a 
> massive burden on the systems. And I am left with nowhere to really turn 
> to.  My 1 hosted domain takes 1.5 minutes to load half my super easy 
> company webpage from the internet and it FLY's on the intranet.  Is 
> there some webpage that can help people that want to be able to diagnose 
> actual issues? 

This does sound like a configuration issue. You should have a look at
the XCP network throughput guide for more details:

http://wiki.xen.org/wiki/Network_Throughput_Guide

> Can't run the monitor/graph page in xencenter because it 
> fails due to some missing plug-in (im guessing since it actually doesnt 
> say).

Not a missing plugin. XenCenter was meant for use with XenServer; to
XenCenter, XCP looks like an ancient version of XenServer, and that tab
doesn't handle the error very well.

Try creating the file /etc/xapi_version_override and setting its
contents to "5.6.100" (without the quotes). This is a
mostly-undocumented hack to let XCP fake it's version number.

> Now a lot of this could be chalked up to my lack of Linux experience but 
> it seems like I would be the core audience (small i.t. consulting 
> business owner trying to make a name and lead by example) and the whole 
> thing ended up getting so confusing that XCP ISO /XCP core hypervisor 
> was the only option left.  this isn't what I wanted, but it was the only 
> way I could get my servers online.  Was this how this whole process is 
> intended?  I can't tell if XCP Hypervisor core thingy (looks just like 
> the vmware esxi hypervisor) is the main focus, if Kronos is the main 
> focus or running the Xen Hypervisor as a software app on a Debian/Linux 
> cli is the main focus.  Could be just me, but shouldn't this be 
> determined first before even 1 line of code is looked into?  I don't 
> mean to be a debby downer, it just seems like all 3 are bound to fail 
> because no time is dedicated to a "core" belief/program.

The "core" program is the Xen hypervisor, and there is a strong
dedication to this. Continuing the Linux kernel vs distro analogy, this
is akin to wanting there to be only one Linux distro, instead of the
dozens we have today (Debian, Ubuntu, RHEL, SUSE, etc.). The idea is
that you've got many options available to you, not that there is no focus.

I'm not trying to say that you're wrong for feeling this way, though.
This issue is something that comes up continually on the mailing lists
and IRC channels with new Xen users. It can be quite confusing. The Xen
community has recently tried to address this issue by creating better
documentation, and we've recently had two Xen Doc Days to inspire people
to write more documentation. It's a slow process though, and we've got a
lot of work left.

> I just saw a post regarding Kronos and if that is taking most of the 
> developers time, it makes me think I went the wrong direction with XCP.

I hope that this is not the case, but I understand where you're coming
from. We want to give people many different options for using Xen and
XCP, and we want to make it easier for people to adopt XCP and it's
XenAPI toolstack. Because of this, we decided to allow people to install
the XCP toolstack on top of Debian and Ubuntu (and hopefully other
distros as well). This effort also helps XenServer and XCP run on the
upstream Linux kernel and Xen hypervisor, and will hopefully make both
products stronger in the long-term.

As I said in a previous email, from which I believe you're quoting,
we're still committed to the original XCP appliance, and are working to
make that even better too.

Mike

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

From xen-api-bounces@lists.xensource.com Thu Dec 08 13:03:00 2011
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Subject: Re: [Xen-API] [Xen-users] XCP Debian - ISCSI support?
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Hi,

I've been running into this bug as well. Creating a plain iSCSI SR, Ext-over-iSCSI and LVM-over-iSCSI all give the error mentioned. 
I'll be happy to test any fixes (I am using the debian packages, xapi-autobuilder didn't treat me well).

Kind regards,
W

On 08 Dec 2011, at 10:39, Mike McClurg wrote:

> (Added xen-api list as CC)
> 
> On 07/12/11 04:42, Admin@DotComPower.com wrote:
>> I have Kronos setup fine. I have installed open-iscsi and setup the system
>> as an initiator. However, I cannot seem to get xapi to allow me to setup the
>> target as an SR. I was trying to use XenCenter but go nowhere. So I tried
>> adding it manually and here is what I got:
>> 
> <snip>
>> OSError: [Errno 2] No such file or directory
>> 
>> Does the current xapi have remote SR capability built into it yet?
>> 
> 
> iSCSI SR built in? Yes. Working? Apparently not. We haven't tested this
> SR type yet, and it seems that you've found a bug for us. Thanks!
> 
> The "No such file" error makes me hopeful that this will be trivia one
> to fix, but I'll have to repro this myself before I know.
> 
>> If not, is it possible to set the SR as LVM and have it set to share=true so
>> that I can still have the benefits of live migrations etc?
>> 
> 
> Yes, that should be possible. NFS is the SR that we've tested the most
> so far. Let us know how this works for you.
> 
> Mike
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


_______________________________________________
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Hi,

I've been running into this bug as well. Creating a plain iSCSI SR, Ext-over-iSCSI and LVM-over-iSCSI all give the error mentioned. 
I'll be happy to test any fixes (I am using the debian packages, xapi-autobuilder didn't treat me well).

Kind regards,
W

On 08 Dec 2011, at 10:39, Mike McClurg wrote:

> (Added xen-api list as CC)
> 
> On 07/12/11 04:42, Admin@DotComPower.com wrote:
>> I have Kronos setup fine. I have installed open-iscsi and setup the system
>> as an initiator. However, I cannot seem to get xapi to allow me to setup the
>> target as an SR. I was trying to use XenCenter but go nowhere. So I tried
>> adding it manually and here is what I got:
>> 
> <snip>
>> OSError: [Errno 2] No such file or directory
>> 
>> Does the current xapi have remote SR capability built into it yet?
>> 
> 
> iSCSI SR built in? Yes. Working? Apparently not. We haven't tested this
> SR type yet, and it seems that you've found a bug for us. Thanks!
> 
> The "No such file" error makes me hopeful that this will be trivia one
> to fix, but I'll have to repro this myself before I know.
> 
>> If not, is it possible to set the SR as LVM and have it set to share=true so
>> that I can still have the benefits of live migrations etc?
>> 
> 
> Yes, that should be possible. NFS is the SR that we've tested the most
> so far. Let us know how this works for you.
> 
> Mike
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


_______________________________________________
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Subject: Re: [Xen-API] [Xen-users] XCP Debian - ISCSI support?
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First of all, let me say that I don't think that the iSCSI SR will work,
for other, unrelated reasons.

Second of all, I've found the reason for this particular failure: the
multipath tools are trying to call /sbin/pidof, when they should be
calling /bin/pidof. If you want to get past this error, but likely
encounter other, more sinister errors, edit the file
/usr/lib/xen-common/xapi/sm/mpath_dmp.py, line 46, and change
/sbin/pidof to /bin/pidof.

You may also have to do 'apt-get install multipath-tools' -- the
xcp-storage-managers package doesn't yet depend on it properly.

Third, let me reiterate that this probably won't work even with the fix,
so give this a try only if you're curious. We'll probably be disabling
all but a small number of known-to-work SRs very shortly.

Mike

On 08/12/11 13:01, Double-U wrote:
> Hi,
> 
> I've been running into this bug as well. Creating a plain iSCSI SR, Ext-over-iSCSI and LVM-over-iSCSI all give the error mentioned. 
> I'll be happy to test any fixes (I am using the debian packages, xapi-autobuilder didn't treat me well).
> 
> Kind regards,
> W
> 
> On 08 Dec 2011, at 10:39, Mike McClurg wrote:
> 
>> (Added xen-api list as CC)
>>
>> On 07/12/11 04:42, Admin@DotComPower.com wrote:
>>> I have Kronos setup fine. I have installed open-iscsi and setup the system
>>> as an initiator. However, I cannot seem to get xapi to allow me to setup the
>>> target as an SR. I was trying to use XenCenter but go nowhere. So I tried
>>> adding it manually and here is what I got:
>>>
>> <snip>
>>> OSError: [Errno 2] No such file or directory
>>>
>>> Does the current xapi have remote SR capability built into it yet?
>>>
>>
>> iSCSI SR built in? Yes. Working? Apparently not. We haven't tested this
>> SR type yet, and it seems that you've found a bug for us. Thanks!
>>
>> The "No such file" error makes me hopeful that this will be trivia one
>> to fix, but I'll have to repro this myself before I know.
>>
>>> If not, is it possible to set the SR as LVM and have it set to share=true so
>>> that I can still have the benefits of live migrations etc?
>>>
>>
>> Yes, that should be possible. NFS is the SR that we've tested the most
>> so far. Let us know how this works for you.
>>
>> Mike
>>
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api
> 


_______________________________________________
xen-api mailing list
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http://lists.xensource.com/mailman/listinfo/xen-api

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Subject: Re: [Xen-API] [Xen-users] XCP Debian - ISCSI support?
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First of all, let me say that I don't think that the iSCSI SR will work,
for other, unrelated reasons.

Second of all, I've found the reason for this particular failure: the
multipath tools are trying to call /sbin/pidof, when they should be
calling /bin/pidof. If you want to get past this error, but likely
encounter other, more sinister errors, edit the file
/usr/lib/xen-common/xapi/sm/mpath_dmp.py, line 46, and change
/sbin/pidof to /bin/pidof.

You may also have to do 'apt-get install multipath-tools' -- the
xcp-storage-managers package doesn't yet depend on it properly.

Third, let me reiterate that this probably won't work even with the fix,
so give this a try only if you're curious. We'll probably be disabling
all but a small number of known-to-work SRs very shortly.

Mike

On 08/12/11 13:01, Double-U wrote:
> Hi,
> 
> I've been running into this bug as well. Creating a plain iSCSI SR, Ext-over-iSCSI and LVM-over-iSCSI all give the error mentioned. 
> I'll be happy to test any fixes (I am using the debian packages, xapi-autobuilder didn't treat me well).
> 
> Kind regards,
> W
> 
> On 08 Dec 2011, at 10:39, Mike McClurg wrote:
> 
>> (Added xen-api list as CC)
>>
>> On 07/12/11 04:42, Admin@DotComPower.com wrote:
>>> I have Kronos setup fine. I have installed open-iscsi and setup the system
>>> as an initiator. However, I cannot seem to get xapi to allow me to setup the
>>> target as an SR. I was trying to use XenCenter but go nowhere. So I tried
>>> adding it manually and here is what I got:
>>>
>> <snip>
>>> OSError: [Errno 2] No such file or directory
>>>
>>> Does the current xapi have remote SR capability built into it yet?
>>>
>>
>> iSCSI SR built in? Yes. Working? Apparently not. We haven't tested this
>> SR type yet, and it seems that you've found a bug for us. Thanks!
>>
>> The "No such file" error makes me hopeful that this will be trivia one
>> to fix, but I'll have to repro this myself before I know.
>>
>>> If not, is it possible to set the SR as LVM and have it set to share=true so
>>> that I can still have the benefits of live migrations etc?
>>>
>>
>> Yes, that should be possible. NFS is the SR that we've tested the most
>> so far. Let us know how this works for you.
>>
>> Mike
>>
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api
> 


_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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Subject: Re: [Xen-API] [Xen-users] XCP 1.5 availability
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Mike,
Project Kronos is going to be more 'actual' than XCP? Should I migrate from
XCP to Kronos?

Regards


On Thu, Dec 8, 2011 at 7:29 AM, Mike McClurg <mike.mcclurg@citrix.com>wrote:

> (Added xen-api list to CC.)
>
> On 06/12/11 19:57, Enzo Lombardi wrote:
> > Is there any nightly build, dev build, morning build of XCP 1.5?
> > I saw a message mentioning "end of September", what happened to this
> > release? What is the delay and what does the schedule looks like?
>
> Hi Enzo,
>
> We had hoped for a September beta at one point, but clearly this hasn't
> happened. We're currently aiming for a January alpha release. The delays
> have been due to our focus on Project Kronos, where we are porting the
> XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of
> only two people, and Kronos turned out to be quite a time consuming
> project. At the same time, we are still committed to providing the
> traditional XCP "appliance", as well as XCP on Debian and Ubuntu.
>
> The problem with the XCP appliance and it's slow releases is mainly due
> to our internal build system. In the past, the XCP team has had to do a
> lot of manual work to convert each XenServer release into an XCP
> release. Over the last year we have been tweaking our build system, and
> parts of our toolstack code, to do this work for us.
>
> The last bits of this work are almost complete. Once they are complete,
> we will be able to start providing regular development snapshots of XCP,
> and will be able to provide a more regular release cadence. Until this
> work is complete, we don't feel that it would be worthwhile to release
> an alpha of XCP 1.5, because we know it will be broken, due to the
> incompleteness of our build system and toolstack changes.
>
> I'm sorry again for the delay to XCP 1.5. We hope that the work we're
> doing pays off in that future releases won't be so delayed, and
> development snapshots will finally be possible. Thanks for the continued
> interest in XCP.
>
> Mike
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>



-- 
Carlos Eduardo Tavares Terra
Red Hat Certified Engineer
Consultor em Infraestrutura de TI
GNU/Linux #413291 [http://counter.li.org]

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Mike,<br>Project Kronos is going to be more &#39;actual&#39; than XCP? Shou=
ld I migrate from XCP to Kronos?<br><br>Regards<br><br><br><div class=3D"gm=
ail_quote">On Thu, Dec 8, 2011 at 7:29 AM, Mike McClurg <span dir=3D"ltr">&=
lt;<a href=3D"mailto:mike.mcclurg@citrix.com">mike.mcclurg@citrix.com</a>&g=
t;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;">(Added xen-api list to CC.)<br>
<div><div class=3D"h5"><br>
On 06/12/11 19:57, Enzo Lombardi wrote:<br>
&gt; Is there any nightly build, dev build, morning build of XCP 1.5?<br>
&gt; I saw a message mentioning &quot;end of September&quot;, what happened=
 to this<br>
&gt; release? What is the delay and what does the schedule looks like?<br>
<br>
</div></div>Hi Enzo,<br>
<br>
We had hoped for a September beta at one point, but clearly this hasn&#39;t=
<br>
happened. We&#39;re currently aiming for a January alpha release. The delay=
s<br>
have been due to our focus on Project Kronos, where we are porting the<br>
XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of<br=
>
only two people, and Kronos turned out to be quite a time consuming<br>
project. At the same time, we are still committed to providing the<br>
traditional XCP &quot;appliance&quot;, as well as XCP on Debian and Ubuntu.=
<br>
<br>
The problem with the XCP appliance and it&#39;s slow releases is mainly due=
<br>
to our internal build system. In the past, the XCP team has had to do a<br>
lot of manual work to convert each XenServer release into an XCP<br>
release. Over the last year we have been tweaking our build system, and<br>
parts of our toolstack code, to do this work for us.<br>
<br>
The last bits of this work are almost complete. Once they are complete,<br>
we will be able to start providing regular development snapshots of XCP,<br=
>
and will be able to provide a more regular release cadence. Until this<br>
work is complete, we don&#39;t feel that it would be worthwhile to release<=
br>
an alpha of XCP 1.5, because we know it will be broken, due to the<br>
incompleteness of our build system and toolstack changes.<br>
<br>
I&#39;m sorry again for the delay to XCP 1.5. We hope that the work we&#39;=
re<br>
doing pays off in that future releases won&#39;t be so delayed, and<br>
development snapshots will finally be possible. Thanks for the continued<br=
>
interest in XCP.<br>
<br>
Mike<br>
<br>
_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
</blockquote></div><br><br clear=3D"all"><br>-- <br>Carlos Eduardo Tavares =
Terra<br>Red Hat Certified Engineer<br>Consultor em Infraestrutura de TI<br=
>GNU/Linux #413291 [<a href=3D"http://counter.li.org" target=3D"_blank">htt=
p://counter.li.org</a>]<br>



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From: Carlos Eduardo Tavares Terra <eduardo.terra@gmail.com>
Date: Thu, 8 Dec 2011 18:35:59 -0200
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Mike,
Project Kronos is going to be more 'actual' than XCP? Should I migrate from
XCP to Kronos?

Regards


On Thu, Dec 8, 2011 at 7:29 AM, Mike McClurg <mike.mcclurg@citrix.com>wrote:

> (Added xen-api list to CC.)
>
> On 06/12/11 19:57, Enzo Lombardi wrote:
> > Is there any nightly build, dev build, morning build of XCP 1.5?
> > I saw a message mentioning "end of September", what happened to this
> > release? What is the delay and what does the schedule looks like?
>
> Hi Enzo,
>
> We had hoped for a September beta at one point, but clearly this hasn't
> happened. We're currently aiming for a January alpha release. The delays
> have been due to our focus on Project Kronos, where we are porting the
> XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of
> only two people, and Kronos turned out to be quite a time consuming
> project. At the same time, we are still committed to providing the
> traditional XCP "appliance", as well as XCP on Debian and Ubuntu.
>
> The problem with the XCP appliance and it's slow releases is mainly due
> to our internal build system. In the past, the XCP team has had to do a
> lot of manual work to convert each XenServer release into an XCP
> release. Over the last year we have been tweaking our build system, and
> parts of our toolstack code, to do this work for us.
>
> The last bits of this work are almost complete. Once they are complete,
> we will be able to start providing regular development snapshots of XCP,
> and will be able to provide a more regular release cadence. Until this
> work is complete, we don't feel that it would be worthwhile to release
> an alpha of XCP 1.5, because we know it will be broken, due to the
> incompleteness of our build system and toolstack changes.
>
> I'm sorry again for the delay to XCP 1.5. We hope that the work we're
> doing pays off in that future releases won't be so delayed, and
> development snapshots will finally be possible. Thanks for the continued
> interest in XCP.
>
> Mike
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>



-- 
Carlos Eduardo Tavares Terra
Red Hat Certified Engineer
Consultor em Infraestrutura de TI
GNU/Linux #413291 [http://counter.li.org]

--14dae9398f5bf7c11904b39a9e76
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Mike,<br>Project Kronos is going to be more &#39;actual&#39; than XCP? Shou=
ld I migrate from XCP to Kronos?<br><br>Regards<br><br><br><div class=3D"gm=
ail_quote">On Thu, Dec 8, 2011 at 7:29 AM, Mike McClurg <span dir=3D"ltr">&=
lt;<a href=3D"mailto:mike.mcclurg@citrix.com">mike.mcclurg@citrix.com</a>&g=
t;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;">(Added xen-api list to CC.)<br>
<div><div class=3D"h5"><br>
On 06/12/11 19:57, Enzo Lombardi wrote:<br>
&gt; Is there any nightly build, dev build, morning build of XCP 1.5?<br>
&gt; I saw a message mentioning &quot;end of September&quot;, what happened=
 to this<br>
&gt; release? What is the delay and what does the schedule looks like?<br>
<br>
</div></div>Hi Enzo,<br>
<br>
We had hoped for a September beta at one point, but clearly this hasn&#39;t=
<br>
happened. We&#39;re currently aiming for a January alpha release. The delay=
s<br>
have been due to our focus on Project Kronos, where we are porting the<br>
XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of<br=
>
only two people, and Kronos turned out to be quite a time consuming<br>
project. At the same time, we are still committed to providing the<br>
traditional XCP &quot;appliance&quot;, as well as XCP on Debian and Ubuntu.=
<br>
<br>
The problem with the XCP appliance and it&#39;s slow releases is mainly due=
<br>
to our internal build system. In the past, the XCP team has had to do a<br>
lot of manual work to convert each XenServer release into an XCP<br>
release. Over the last year we have been tweaking our build system, and<br>
parts of our toolstack code, to do this work for us.<br>
<br>
The last bits of this work are almost complete. Once they are complete,<br>
we will be able to start providing regular development snapshots of XCP,<br=
>
and will be able to provide a more regular release cadence. Until this<br>
work is complete, we don&#39;t feel that it would be worthwhile to release<=
br>
an alpha of XCP 1.5, because we know it will be broken, due to the<br>
incompleteness of our build system and toolstack changes.<br>
<br>
I&#39;m sorry again for the delay to XCP 1.5. We hope that the work we&#39;=
re<br>
doing pays off in that future releases won&#39;t be so delayed, and<br>
development snapshots will finally be possible. Thanks for the continued<br=
>
interest in XCP.<br>
<br>
Mike<br>
<br>
_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
</blockquote></div><br><br clear=3D"all"><br>-- <br>Carlos Eduardo Tavares =
Terra<br>Red Hat Certified Engineer<br>Consultor em Infraestrutura de TI<br=
>GNU/Linux #413291 [<a href=3D"http://counter.li.org" target=3D"_blank">htt=
p://counter.li.org</a>]<br>



--14dae9398f5bf7c11904b39a9e76--


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On 08/12/11 20:35, Carlos Eduardo Tavares Terra wrote:
> Mike,
> Project Kronos is going to be more 'actual' than XCP? Should I migrate
> from XCP to Kronos?
> 

No, you should not migrate from the XCP appliance to Project Kronos,
unless you have need to do so. Project Kronos is just an alternate
delivery form for XCP. Currently, we consider it in beta form, and not
all features of XCP are supported in Kronos yet. We expect that over the
next year, the XCP appliance and XCP on Debian and Ubuntu will reach
feature parity.

The benefits of Kronos are that you have the option of keeping up with
the development version of the XCP toolstack, and you get to install it
on your distro of choice (well, as long as you choose either Debian or
Ubuntu). The benefits of the XCP appliance are that it is an easy to
install appliance, it is much closer to bit-for-bit parity with
XenServer, and as such benefits from the intense testing that Citrix
performs on XenServer.

Neither one will be "better" than the other, but each has it's own
distinct advantages over the other.

Mike


_______________________________________________
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On 08/12/11 20:35, Carlos Eduardo Tavares Terra wrote:
> Mike,
> Project Kronos is going to be more 'actual' than XCP? Should I migrate
> from XCP to Kronos?
> 

No, you should not migrate from the XCP appliance to Project Kronos,
unless you have need to do so. Project Kronos is just an alternate
delivery form for XCP. Currently, we consider it in beta form, and not
all features of XCP are supported in Kronos yet. We expect that over the
next year, the XCP appliance and XCP on Debian and Ubuntu will reach
feature parity.

The benefits of Kronos are that you have the option of keeping up with
the development version of the XCP toolstack, and you get to install it
on your distro of choice (well, as long as you choose either Debian or
Ubuntu). The benefits of the XCP appliance are that it is an easy to
install appliance, it is much closer to bit-for-bit parity with
XenServer, and as such benefits from the intense testing that Citrix
performs on XenServer.

Neither one will be "better" than the other, but each has it's own
distinct advantages over the other.

Mike


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On 08/12/11 21:13, enzinol@gmail.com wrote:
> Thank you Mike.
> One more question: I am familiar with the wiki page about the differences 
> between XCP and XenServer.
> I was wondering if one of the feature I care will be in Boston, i.e. the 
> support for GPU passthrough as exposed in XenServer.
> My end goal is to consolidate in one fat box my workstation and server needs 
> and GPU passthrough is required.
> Looking forward for the first bits to be available, thanks for your kind 
> answer
> -e

GPU passthrough will be included in XCP 1.5.

Mike


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On 08/12/11 21:13, enzinol@gmail.com wrote:
> Thank you Mike.
> One more question: I am familiar with the wiki page about the differences 
> between XCP and XenServer.
> I was wondering if one of the feature I care will be in Boston, i.e. the 
> support for GPU passthrough as exposed in XenServer.
> My end goal is to consolidate in one fat box my workstation and server needs 
> and GPU passthrough is required.
> Looking forward for the first bits to be available, thanks for your kind 
> answer
> -e

GPU passthrough will be included in XCP 1.5.

Mike


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Hi all,

Someone with the nick blp asked on #xen-api for the location of
xen-dist-ocaml.hg, but logged off before I could reply. Here it is, if
he's out there:

http://xenbits.xen.org/hg/XCP/xen-dist-ocaml.hg/

Mike

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Hi all,

Someone with the nick blp asked on #xen-api for the location of
xen-dist-ocaml.hg, but logged off before I could reply. Here it is, if
he's out there:

http://xenbits.xen.org/hg/XCP/xen-dist-ocaml.hg/

Mike

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From xen-api-bounces@lists.xensource.com Fri Dec 09 20:22:30 2011
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Good day.

Some question is bother me for long long time. How many parallel 
operations can xapi performs? By experiment I can be sure xapi can 
perform no more than one migration accepting process on host (and AFAIK 
reboot/start/shutdown).

But what is the real limit for following operations:

1) Sending VM (migration transmitting) (per host)
2) Migration per pool (f.e. from host A to host B and in same time for 
other VM from host C to host D)
3) VBD plug per host, per pool
4) VIF plug per host, per pool
5) reboot/shutdown per host, per pool
6) start per host, per pool
7) VDI creating per host (SRmaster?), per pool for single shared SR, per 
pool per SR

I think after confirming that I'll post data to wiki, so I'd like to get 
more verified information.

Thanks.

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Good day.

Some question is bother me for long long time. How many parallel 
operations can xapi performs? By experiment I can be sure xapi can 
perform no more than one migration accepting process on host (and AFAIK 
reboot/start/shutdown).

But what is the real limit for following operations:

1) Sending VM (migration transmitting) (per host)
2) Migration per pool (f.e. from host A to host B and in same time for 
other VM from host C to host D)
3) VBD plug per host, per pool
4) VIF plug per host, per pool
5) reboot/shutdown per host, per pool
6) start per host, per pool
7) VDI creating per host (SRmaster?), per pool for single shared SR, per 
pool per SR

I think after confirming that I'll post data to wiki, so I'd like to get 
more verified information.

Thanks.

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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Subject: Re: [Xen-API] [Xen-users] XCP 1.5 availability
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On Thu, Dec 08, 2011 at 09:29:04AM +0000, Mike McClurg wrote:
> (Added xen-api list to CC.)
> 
> On 06/12/11 19:57, Enzo Lombardi wrote:
> > Is there any nightly build, dev build, morning build of XCP 1.5?
> > I saw a message mentioning "end of September", what happened to this
> > release? What is the delay and what does the schedule looks like?
> 
> Hi Enzo,
> 
> We had hoped for a September beta at one point, but clearly this hasn't
> happened. We're currently aiming for a January alpha release. The delays
> have been due to our focus on Project Kronos, where we are porting the
> XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of
> only two people, and Kronos turned out to be quite a time consuming
> project. At the same time, we are still committed to providing the
> traditional XCP "appliance", as well as XCP on Debian and Ubuntu.
> 

Hey,

I think we should use the name "XCP" only for the appliance,
and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu? 

Does that make sense? Some people are getting confused about what XCP is..


> The problem with the XCP appliance and it's slow releases is mainly due
> to our internal build system. In the past, the XCP team has had to do a
> lot of manual work to convert each XenServer release into an XCP
> release. Over the last year we have been tweaking our build system, and
> parts of our toolstack code, to do this work for us.
> 
> The last bits of this work are almost complete. Once they are complete,
> we will be able to start providing regular development snapshots of XCP,
> and will be able to provide a more regular release cadence. Until this
> work is complete, we don't feel that it would be worthwhile to release
> an alpha of XCP 1.5, because we know it will be broken, due to the
> incompleteness of our build system and toolstack changes.
> 
> I'm sorry again for the delay to XCP 1.5. We hope that the work we're
> doing pays off in that future releases won't be so delayed, and
> development snapshots will finally be possible. Thanks for the continued
> interest in XCP.
> 

Sounds good!

-- Pasi


_______________________________________________
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xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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Subject: Re: [Xen-API] [Xen-users] XCP 1.5 availability
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On Thu, Dec 08, 2011 at 09:29:04AM +0000, Mike McClurg wrote:
> (Added xen-api list to CC.)
> 
> On 06/12/11 19:57, Enzo Lombardi wrote:
> > Is there any nightly build, dev build, morning build of XCP 1.5?
> > I saw a message mentioning "end of September", what happened to this
> > release? What is the delay and what does the schedule looks like?
> 
> Hi Enzo,
> 
> We had hoped for a September beta at one point, but clearly this hasn't
> happened. We're currently aiming for a January alpha release. The delays
> have been due to our focus on Project Kronos, where we are porting the
> XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of
> only two people, and Kronos turned out to be quite a time consuming
> project. At the same time, we are still committed to providing the
> traditional XCP "appliance", as well as XCP on Debian and Ubuntu.
> 

Hey,

I think we should use the name "XCP" only for the appliance,
and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu? 

Does that make sense? Some people are getting confused about what XCP is..


> The problem with the XCP appliance and it's slow releases is mainly due
> to our internal build system. In the past, the XCP team has had to do a
> lot of manual work to convert each XenServer release into an XCP
> release. Over the last year we have been tweaking our build system, and
> parts of our toolstack code, to do this work for us.
> 
> The last bits of this work are almost complete. Once they are complete,
> we will be able to start providing regular development snapshots of XCP,
> and will be able to provide a more regular release cadence. Until this
> work is complete, we don't feel that it would be worthwhile to release
> an alpha of XCP 1.5, because we know it will be broken, due to the
> incompleteness of our build system and toolstack changes.
> 
> I'm sorry again for the delay to XCP 1.5. We hope that the work we're
> doing pays off in that future releases won't be so delayed, and
> development snapshots will finally be possible. Thanks for the continued
> interest in XCP.
> 

Sounds good!

-- Pasi


_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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From: Ian Campbell <Ian.Campbell@citrix.com>
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On Fri, 2011-12-09 at 19:49 +0000, George Shuklin wrote:
> Good day.
> 
> I think I met some strange bug in xenstored.

If you are using XCP then this will be using oxenstored. I've CC'd
xen-api@ since that is the correct place for XCP discussions.

It's also plausibly a bug in the C client library or the python bindings
to that library (or indeed your application).

> I using XCP for long time and all that time we have some funny bug we 
> was not able to debug enough due product environment and very low chance 
> to appear, now we was able to catch it in testing environment and done 
> some research.
> 
> We have python application running in dom0 and waiting domain 
> appearance. This implemented this via subscription to @introduceDomain 
> xenstore key. Under some conditions we stops to receive notification on 
> subscription. If we ran application as second instance it will receive 
> that notification, if we restart application it will  receive too.

You lose both @introduce and @release notifications or just @introduce?

Does the app do any other XS stuff, e.g. other watches or read/write? Do
these stop working also?

oxenstored (at least in XCP) logs to /var/log/xenstore-access.log -- do
you see any activity in there? There is also /var/log/xenstored.log

Does strace show the daemon writing (or trying to write) to the socket
associated with this client? What about on the client side? (nb:
libxenstore uses a thread to handle watches so be sure to use the
appropriate options to strace.) Identifying the fd associated with the
connection on either end might be tricky, /proc/<pid>/fd and/or netstat
might help narrow it down.

The app being python presumably makes it hard to attach gdb to and get
anything sensible, likewise the daemon being ocaml. If anyone has any
hints on attaching a debugging to an existing process of these types
then that might be useful.

Other than that I'm afraid I really don't have any idea what might be
going wrong, or indeed what other next steps can be taken to diagnose
the issue :-(

Ian.

> I unable to pinpoint exact condition for this, but this
> a) Happens occasionally but consistently (about once a month in farm of 
> 50 hosts at least at one host)
> b) Not related to xenstored uptime
> c) Not related to load on xen or dom0
> d) Not related to amount of domains
> e) Occur at least at XCP 0.5, 1.0 and 1.1 (I don't know how to get 
> version from xenstored)
> 
> Last time I got that on two hosts in lab at same time (with single guest 
> domain without any high load) and done some experiments - so I can say 
> exactly I wrote above.
> 
> The pieces from python code we ran:
> 
> from xen.lowlevel.xs import xs
> conn = xs.xs()
> conn.watch("@introduceDomain", "+")
> conn.watch("@releaseDomain", "-")
> conn.read_watch()
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel



_______________________________________________
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On Fri, 2011-12-09 at 19:49 +0000, George Shuklin wrote:
> Good day.
> 
> I think I met some strange bug in xenstored.

If you are using XCP then this will be using oxenstored. I've CC'd
xen-api@ since that is the correct place for XCP discussions.

It's also plausibly a bug in the C client library or the python bindings
to that library (or indeed your application).

> I using XCP for long time and all that time we have some funny bug we 
> was not able to debug enough due product environment and very low chance 
> to appear, now we was able to catch it in testing environment and done 
> some research.
> 
> We have python application running in dom0 and waiting domain 
> appearance. This implemented this via subscription to @introduceDomain 
> xenstore key. Under some conditions we stops to receive notification on 
> subscription. If we ran application as second instance it will receive 
> that notification, if we restart application it will  receive too.

You lose both @introduce and @release notifications or just @introduce?

Does the app do any other XS stuff, e.g. other watches or read/write? Do
these stop working also?

oxenstored (at least in XCP) logs to /var/log/xenstore-access.log -- do
you see any activity in there? There is also /var/log/xenstored.log

Does strace show the daemon writing (or trying to write) to the socket
associated with this client? What about on the client side? (nb:
libxenstore uses a thread to handle watches so be sure to use the
appropriate options to strace.) Identifying the fd associated with the
connection on either end might be tricky, /proc/<pid>/fd and/or netstat
might help narrow it down.

The app being python presumably makes it hard to attach gdb to and get
anything sensible, likewise the daemon being ocaml. If anyone has any
hints on attaching a debugging to an existing process of these types
then that might be useful.

Other than that I'm afraid I really don't have any idea what might be
going wrong, or indeed what other next steps can be taken to diagnose
the issue :-(

Ian.

> I unable to pinpoint exact condition for this, but this
> a) Happens occasionally but consistently (about once a month in farm of 
> 50 hosts at least at one host)
> b) Not related to xenstored uptime
> c) Not related to load on xen or dom0
> d) Not related to amount of domains
> e) Occur at least at XCP 0.5, 1.0 and 1.1 (I don't know how to get 
> version from xenstored)
> 
> Last time I got that on two hosts in lab at same time (with single guest 
> domain without any high load) and done some experiments - so I can say 
> exactly I wrote above.
> 
> The pieces from python code we ran:
> 
> from xen.lowlevel.xs import xs
> conn = xs.xs()
> conn.watch("@introduceDomain", "+")
> conn.watch("@releaseDomain", "-")
> conn.read_watch()
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel



_______________________________________________
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http://lists.xensource.com/mailman/listinfo/xen-api

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Date: Mon, 12 Dec 2011 16:10:10 +0400
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Subject: Re: [Xen-API] [Xen-devel] bug in xenstored? No notification to
 subscription on @introduceDomain
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Thanks for reply.

The problem is we tried at least two different libraries - xs (+python 
xen.lowlevel.xs) and our own library (pyxs), created from scratches on 
pure python - both shows exactly same behavior. We loosing same time 
@introduce and @release, but only for new domains. Older domains (which 
starts before error appear) during shutdown/migration sends  @release 
normally.

I done strace, nothig is sending by xenstored to application socket when 
'new' domains appears and disappears (I'm not sure 100% due not very 
good strace skills).

Application performs write/read operations to/from xenstore (and do many 
subscriptions, but only after @introduce) and older subscription works fine.

PS We got other strange bug with memory leak in xenstored (happens only 
with big amount of transactions, and ONLY with socket) - but this case 
is still under research, so I decide not to post this (but may be it 
related somehow?).

Sorry for question - how I can gather debug information for oxenstored?

On 12.12.2011 15:31, Ian Campbell wrote:
> On Fri, 2011-12-09 at 19:49 +0000, George Shuklin wrote:
>> Good day.
>>
>> I think I met some strange bug in xenstored.
> If you are using XCP then this will be using oxenstored. I've CC'd
> xen-api@ since that is the correct place for XCP discussions.
>
> It's also plausibly a bug in the C client library or the python bindings
> to that library (or indeed your application).
>
>> I using XCP for long time and all that time we have some funny bug we
>> was not able to debug enough due product environment and very low chance
>> to appear, now we was able to catch it in testing environment and done
>> some research.
>>
>> We have python application running in dom0 and waiting domain
>> appearance. This implemented this via subscription to @introduceDomain
>> xenstore key. Under some conditions we stops to receive notification on
>> subscription. If we ran application as second instance it will receive
>> that notification, if we restart application it will  receive too.
> You lose both @introduce and @release notifications or just @introduce?
>
> Does the app do any other XS stuff, e.g. other watches or read/write? Do
> these stop working also?
>
> oxenstored (at least in XCP) logs to /var/log/xenstore-access.log -- do
> you see any activity in there? There is also /var/log/xenstored.log
>
> Does strace show the daemon writing (or trying to write) to the socket
> associated with this client? What about on the client side? (nb:
> libxenstore uses a thread to handle watches so be sure to use the
> appropriate options to strace.) Identifying the fd associated with the
> connection on either end might be tricky, /proc/<pid>/fd and/or netstat
> might help narrow it down.
>
> The app being python presumably makes it hard to attach gdb to and get
> anything sensible, likewise the daemon being ocaml. If anyone has any
> hints on attaching a debugging to an existing process of these types
> then that might be useful.
>
> Other than that I'm afraid I really don't have any idea what might be
> going wrong, or indeed what other next steps can be taken to diagnose
> the issue :-(
>
> Ian.
>
>> I unable to pinpoint exact condition for this, but this
>> a) Happens occasionally but consistently (about once a month in farm of
>> 50 hosts at least at one host)
>> b) Not related to xenstored uptime
>> c) Not related to load on xen or dom0
>> d) Not related to amount of domains
>> e) Occur at least at XCP 0.5, 1.0 and 1.1 (I don't know how to get
>> version from xenstored)
>>
>> Last time I got that on two hosts in lab at same time (with single guest
>> domain without any high load) and done some experiments - so I can say
>> exactly I wrote above.
>>
>> The pieces from python code we ran:
>>
>> from xen.lowlevel.xs import xs
>> conn = xs.xs()
>> conn.watch("@introduceDomain", "+")
>> conn.watch("@releaseDomain", "-")
>> conn.read_watch()
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@lists.xensource.com
>> http://lists.xensource.com/xen-devel
>


_______________________________________________
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Thanks for reply.

The problem is we tried at least two different libraries - xs (+python 
xen.lowlevel.xs) and our own library (pyxs), created from scratches on 
pure python - both shows exactly same behavior. We loosing same time 
@introduce and @release, but only for new domains. Older domains (which 
starts before error appear) during shutdown/migration sends  @release 
normally.

I done strace, nothig is sending by xenstored to application socket when 
'new' domains appears and disappears (I'm not sure 100% due not very 
good strace skills).

Application performs write/read operations to/from xenstore (and do many 
subscriptions, but only after @introduce) and older subscription works fine.

PS We got other strange bug with memory leak in xenstored (happens only 
with big amount of transactions, and ONLY with socket) - but this case 
is still under research, so I decide not to post this (but may be it 
related somehow?).

Sorry for question - how I can gather debug information for oxenstored?

On 12.12.2011 15:31, Ian Campbell wrote:
> On Fri, 2011-12-09 at 19:49 +0000, George Shuklin wrote:
>> Good day.
>>
>> I think I met some strange bug in xenstored.
> If you are using XCP then this will be using oxenstored. I've CC'd
> xen-api@ since that is the correct place for XCP discussions.
>
> It's also plausibly a bug in the C client library or the python bindings
> to that library (or indeed your application).
>
>> I using XCP for long time and all that time we have some funny bug we
>> was not able to debug enough due product environment and very low chance
>> to appear, now we was able to catch it in testing environment and done
>> some research.
>>
>> We have python application running in dom0 and waiting domain
>> appearance. This implemented this via subscription to @introduceDomain
>> xenstore key. Under some conditions we stops to receive notification on
>> subscription. If we ran application as second instance it will receive
>> that notification, if we restart application it will  receive too.
> You lose both @introduce and @release notifications or just @introduce?
>
> Does the app do any other XS stuff, e.g. other watches or read/write? Do
> these stop working also?
>
> oxenstored (at least in XCP) logs to /var/log/xenstore-access.log -- do
> you see any activity in there? There is also /var/log/xenstored.log
>
> Does strace show the daemon writing (or trying to write) to the socket
> associated with this client? What about on the client side? (nb:
> libxenstore uses a thread to handle watches so be sure to use the
> appropriate options to strace.) Identifying the fd associated with the
> connection on either end might be tricky, /proc/<pid>/fd and/or netstat
> might help narrow it down.
>
> The app being python presumably makes it hard to attach gdb to and get
> anything sensible, likewise the daemon being ocaml. If anyone has any
> hints on attaching a debugging to an existing process of these types
> then that might be useful.
>
> Other than that I'm afraid I really don't have any idea what might be
> going wrong, or indeed what other next steps can be taken to diagnose
> the issue :-(
>
> Ian.
>
>> I unable to pinpoint exact condition for this, but this
>> a) Happens occasionally but consistently (about once a month in farm of
>> 50 hosts at least at one host)
>> b) Not related to xenstored uptime
>> c) Not related to load on xen or dom0
>> d) Not related to amount of domains
>> e) Occur at least at XCP 0.5, 1.0 and 1.1 (I don't know how to get
>> version from xenstored)
>>
>> Last time I got that on two hosts in lab at same time (with single guest
>> domain without any high load) and done some experiments - so I can say
>> exactly I wrote above.
>>
>> The pieces from python code we ran:
>>
>> from xen.lowlevel.xs import xs
>> conn = xs.xs()
>> conn.watch("@introduceDomain", "+")
>> conn.watch("@releaseDomain", "-")
>> conn.read_watch()
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@lists.xensource.com
>> http://lists.xensource.com/xen-devel
>


_______________________________________________
xen-api mailing list
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http://lists.xensource.com/mailman/listinfo/xen-api

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From: Ian Campbell <Ian.Campbell@citrix.com>
To: George Shuklin <george.shuklin@gmail.com>
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Please don't top post and don't drop people/lists from the CC. I have
reinstated xen-devel and refrained from trimming the quotes as heavily
as I normally would.

Counter to my own advice I have also dropped xen-hosts@googlegroups.com
because last time I got a bounce in Russian to the effect that the group
does not exist (according to google translate).

On Mon, 2011-12-12 at 12:10 +0000, George Shuklin wrote:
> Thanks for reply.
> 
> The problem is we tried at least two different libraries - xs (+python 
> xen.lowlevel.xs) and our own library (pyxs), created from scratches on 
> pure python - both shows exactly same behavior. We loosing same time 
> @introduce and @release, but only for new domains. Older domains (which 
> starts before error appear) during shutdown/migration sends  @release 
> normally.
> 
> I done strace, nothig is sending by xenstored to application socket when 
> 'new' domains appears and disappears (I'm not sure 100% due not very 
> good strace skills).
> 
> Application performs write/read operations to/from xenstore (and do many 
> subscriptions, but only after @introduce) and older subscription works fine.
> 
> PS We got other strange bug with memory leak in xenstored (happens only 
> with big amount of transactions, and ONLY with socket) - but this case 
> is still under research, so I decide not to post this (but may be it 
> related somehow?).

Are the two event correlated? i.e. is the oxenstored process huge when
these failures occur? Inability to allocate memory could explain some of
your symptoms although I'd expect it to be more fatal more quickly and
obviously than what you describe or to have wider impact.

> Sorry for question - how I can gather debug information for oxenstored?

What sort of debug information are you after?

There are various logging options which you could turn up to 11
in /etc/xensource/xenstored.conf but I do not have a complete list of
what they are, similarly for command line options -- perhaps someone on
xen-api@ could chime in? Otherwise looking in the source might be the
best way to find out what they are, try xenstore.ml, parse_args.ml
logging.ml would be good places to start. (if having done so you feel
motivated to write a patch to add docs/man/oxenstored.1.pod we would be
much obliged...)

Ian.



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Please don't top post and don't drop people/lists from the CC. I have
reinstated xen-devel and refrained from trimming the quotes as heavily
as I normally would.

Counter to my own advice I have also dropped xen-hosts@googlegroups.com
because last time I got a bounce in Russian to the effect that the group
does not exist (according to google translate).

On Mon, 2011-12-12 at 12:10 +0000, George Shuklin wrote:
> Thanks for reply.
> 
> The problem is we tried at least two different libraries - xs (+python 
> xen.lowlevel.xs) and our own library (pyxs), created from scratches on 
> pure python - both shows exactly same behavior. We loosing same time 
> @introduce and @release, but only for new domains. Older domains (which 
> starts before error appear) during shutdown/migration sends  @release 
> normally.
> 
> I done strace, nothig is sending by xenstored to application socket when 
> 'new' domains appears and disappears (I'm not sure 100% due not very 
> good strace skills).
> 
> Application performs write/read operations to/from xenstore (and do many 
> subscriptions, but only after @introduce) and older subscription works fine.
> 
> PS We got other strange bug with memory leak in xenstored (happens only 
> with big amount of transactions, and ONLY with socket) - but this case 
> is still under research, so I decide not to post this (but may be it 
> related somehow?).

Are the two event correlated? i.e. is the oxenstored process huge when
these failures occur? Inability to allocate memory could explain some of
your symptoms although I'd expect it to be more fatal more quickly and
obviously than what you describe or to have wider impact.

> Sorry for question - how I can gather debug information for oxenstored?

What sort of debug information are you after?

There are various logging options which you could turn up to 11
in /etc/xensource/xenstored.conf but I do not have a complete list of
what they are, similarly for command line options -- perhaps someone on
xen-api@ could chime in? Otherwise looking in the source might be the
best way to find out what they are, try xenstore.ml, parse_args.ml
logging.ml would be good places to start. (if having done so you feel
motivated to write a patch to add docs/man/oxenstored.1.pod we would be
much obliged...)

Ian.



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On Mon, 2011-12-12 at 11:31 +0000, Ian Campbell wrote:
> Does the app do any other XS stuff, e.g. other watches or read/write? Do
> these stop working also?

One other question -- does your app use threading anywhere apart from
the one it gets from libxenstore?

Ian.



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On Mon, 2011-12-12 at 11:31 +0000, Ian Campbell wrote:
> Does the app do any other XS stuff, e.g. other watches or read/write? Do
> these stop working also?

One other question -- does your app use threading anywhere apart from
the one it gets from libxenstore?

Ian.



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On 12.12.2011 17:46, Ian Campbell wrote:
> Please don't top post and don't drop people/lists from the CC. I have
> reinstated xen-devel and refrained from trimming the quotes as heavily
> as I normally would.
>
> Counter to my own advice I have also dropped xen-hosts@googlegroups.com
> because last time I got a bounce in Russian to the effect that the group
> does not exist (according to google translate).
>
> On Mon, 2011-12-12 at 12:10 +0000, George Shuklin wrote:
>> Thanks for reply.
>>
>> The problem is we tried at least two different libraries - xs (+python
>> xen.lowlevel.xs) and our own library (pyxs), created from scratches on
>> pure python - both shows exactly same behavior. We loosing same time
>> @introduce and @release, but only for new domains. Older domains (which
>> starts before error appear) during shutdown/migration sends  @release
>> normally.
>>
>> I done strace, nothig is sending by xenstored to application socket when
>> 'new' domains appears and disappears (I'm not sure 100% due not very
>> good strace skills).
>>
>> Application performs write/read operations to/from xenstore (and do many
>> subscriptions, but only after @introduce) and older subscription works fine.
>>
>> PS We got other strange bug with memory leak in xenstored (happens only
>> with big amount of transactions, and ONLY with socket) - but this case
>> is still under research, so I decide not to post this (but may be it
>> related somehow?).
> Are the two event correlated? i.e. is the oxenstored process huge when
> these failures occur? Inability to allocate memory could explain some of
> your symptoms although I'd expect it to be more fatal more quickly and
> obviously than what you describe or to have wider impact.
Nope, memory leak occur only if transaction happens with subscription, 
but 'no notification' problem continues after we stops to use 
transaction (this cure memory leak completely, so I think this is 
separate issue, but I don't sure).

I still can't catch condition for lack of notifications for @introduce, 
sorry (I got one more this morning in test pool).

>> Sorry for question - how I can gather debug information for oxenstored?
> What sort of debug information are you after?
>
> There are various logging options which you could turn up to 11
> in /etc/xensource/xenstored.conf but I do not have a complete list of
> what they are, similarly for command line options -- perhaps someone on
> xen-api@ could chime in? Otherwise looking in the source might be the
> best way to find out what they are, try xenstore.ml, parse_args.ml
> logging.ml would be good places to start. (if having done so you feel
> motivated to write a patch to add docs/man/oxenstored.1.pod we would be
> much obliged...)
>
Ok, thanks, I'll dig to sources to set up them all. We heavily using 
xenstore for dynamic memory regulation (about five operations for every 
domain per second).

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On 12.12.2011 17:46, Ian Campbell wrote:
> Please don't top post and don't drop people/lists from the CC. I have
> reinstated xen-devel and refrained from trimming the quotes as heavily
> as I normally would.
>
> Counter to my own advice I have also dropped xen-hosts@googlegroups.com
> because last time I got a bounce in Russian to the effect that the group
> does not exist (according to google translate).
>
> On Mon, 2011-12-12 at 12:10 +0000, George Shuklin wrote:
>> Thanks for reply.
>>
>> The problem is we tried at least two different libraries - xs (+python
>> xen.lowlevel.xs) and our own library (pyxs), created from scratches on
>> pure python - both shows exactly same behavior. We loosing same time
>> @introduce and @release, but only for new domains. Older domains (which
>> starts before error appear) during shutdown/migration sends  @release
>> normally.
>>
>> I done strace, nothig is sending by xenstored to application socket when
>> 'new' domains appears and disappears (I'm not sure 100% due not very
>> good strace skills).
>>
>> Application performs write/read operations to/from xenstore (and do many
>> subscriptions, but only after @introduce) and older subscription works fine.
>>
>> PS We got other strange bug with memory leak in xenstored (happens only
>> with big amount of transactions, and ONLY with socket) - but this case
>> is still under research, so I decide not to post this (but may be it
>> related somehow?).
> Are the two event correlated? i.e. is the oxenstored process huge when
> these failures occur? Inability to allocate memory could explain some of
> your symptoms although I'd expect it to be more fatal more quickly and
> obviously than what you describe or to have wider impact.
Nope, memory leak occur only if transaction happens with subscription, 
but 'no notification' problem continues after we stops to use 
transaction (this cure memory leak completely, so I think this is 
separate issue, but I don't sure).

I still can't catch condition for lack of notifications for @introduce, 
sorry (I got one more this morning in test pool).

>> Sorry for question - how I can gather debug information for oxenstored?
> What sort of debug information are you after?
>
> There are various logging options which you could turn up to 11
> in /etc/xensource/xenstored.conf but I do not have a complete list of
> what they are, similarly for command line options -- perhaps someone on
> xen-api@ could chime in? Otherwise looking in the source might be the
> best way to find out what they are, try xenstore.ml, parse_args.ml
> logging.ml would be good places to start. (if having done so you feel
> motivated to write a patch to add docs/man/oxenstored.1.pod we would be
> much obliged...)
>
Ok, thanks, I'll dig to sources to set up them all. We heavily using 
xenstore for dynamic memory regulation (about five operations for every 
domain per second).

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On 12.12.2011 17:55, Ian Campbell wrote:
> On Mon, 2011-12-12 at 11:31 +0000, Ian Campbell wrote:
>> Does the app do any other XS stuff, e.g. other watches or read/write? Do
>> these stop working also?
> One other question -- does your app use threading anywhere apart from
> the one it gets from libxenstore?
>
Yes, it is!

We using multithread model (that why we wrote an alternative library to 
access xenstore - to get normal multithread subscription). But this 
problem happens before we start multithread, with single-thread application.



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On 12.12.2011 17:55, Ian Campbell wrote:
> On Mon, 2011-12-12 at 11:31 +0000, Ian Campbell wrote:
>> Does the app do any other XS stuff, e.g. other watches or read/write? Do
>> these stop working also?
> One other question -- does your app use threading anywhere apart from
> the one it gets from libxenstore?
>
Yes, it is!

We using multithread model (that why we wrote an alternative library to 
access xenstore - to get normal multithread subscription). But this 
problem happens before we start multithread, with single-thread application.



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Hi list members. Forgive me if this is documented somewhere. I've spent the last hour searching for any mention of it.
Where can I log bugs (with patches) against the Kronos project?
Do you have a JIRA, Bugzilla or something somewhere. Links on the Wiki would be appreciated also.

Thanks,

Dave
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Hi list members. Forgive me if this is documented somewhere. I've spent the last hour searching for any mention of it.
Where can I log bugs (with patches) against the Kronos project?
Do you have a JIRA, Bugzilla or something somewhere. Links on the Wiki would be appreciated also.

Thanks,

Dave
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Hi Team,

In Xenserver 6.0 (boston release) ha-restart-policy we cannot set to 1,2 or=
 3 ...only we can make it to best-effort and restart..

Is it true?? If yes may I have the reason to do so??  Do we have any docume=
ntation regarding that??


Thanks & Regards,
PANKAJ KUMAR BISWAS

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<o:shapelayout v:ext=3D"edit">
<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal>Hi Team,<o:p></o=
:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><span=
 style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2","serif";color:black'=
>In Xenserver 6.0 (boston release) ha-restart-policy we cannot set to 1,2 o=
r 3 ...only we can make it to best-effort and restart..<o:p></o:p></span></=
p><p class=3DMsoNormal><span style=3D'font-size:9.0pt;font-family:"MS Shell=
 Dlg 2","serif";color:black'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNorm=
al><span style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2","serif";colo=
r:black'>Is it true?? If yes may I have the reason to do so??&nbsp; Do we h=
ave any documentation regarding that??</span><o:p></o:p></p><p class=3DMsoN=
ormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p cla=
ss=3DMsoNormal><b><span style=3D'font-family:"Cambria","serif"'>Thanks &amp=
; Regards,<o:p></o:p></span></b></p><p class=3DMsoNormal><b><span style=3D'=
font-family:"Cambria","serif"'>PANKAJ KUMAR BISWAS<o:p></o:p></span></b></p=
></div></body></html>=

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To: "xen-api@lists.xensource.com" <xen-api@lists.xensource.com>
Date: Tue, 13 Dec 2011 15:30:46 +0530
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Hi Team,

In Xenserver 6.0 (boston release) ha-restart-policy we cannot set to 1,2 or=
 3 ...only we can make it to best-effort and restart..

Is it true?? If yes may I have the reason to do so??  Do we have any docume=
ntation regarding that??


Thanks & Regards,
PANKAJ KUMAR BISWAS

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<html xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-micr=
osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" =
xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" xmlns=3D"http:=
//www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV=3D"Content-Type" CONTENT=
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	margin:1.0in 1.0in 1.0in 1.0in;}
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	{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" />
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal>Hi Team,<o:p></o=
:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><span=
 style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2","serif";color:black'=
>In Xenserver 6.0 (boston release) ha-restart-policy we cannot set to 1,2 o=
r 3 ...only we can make it to best-effort and restart..<o:p></o:p></span></=
p><p class=3DMsoNormal><span style=3D'font-size:9.0pt;font-family:"MS Shell=
 Dlg 2","serif";color:black'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNorm=
al><span style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2","serif";colo=
r:black'>Is it true?? If yes may I have the reason to do so??&nbsp; Do we h=
ave any documentation regarding that??</span><o:p></o:p></p><p class=3DMsoN=
ormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p cla=
ss=3DMsoNormal><b><span style=3D'font-family:"Cambria","serif"'>Thanks &amp=
; Regards,<o:p></o:p></span></b></p><p class=3DMsoNormal><b><span style=3D'=
font-family:"Cambria","serif"'>PANKAJ KUMAR BISWAS<o:p></o:p></span></b></p=
></div></body></html>=

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From: Pankaj Kumar Biswas <pankaj.kumarbiswas@citrix.com>
To: "xen-api@lists.xensource.com" <xen-api@lists.xensource.com>
Date: Tue, 13 Dec 2011 15:33:17 +0530
Thread-Topic: Re: ha-restart-policy =1,2,3  invalid  for latest version of
	Xenserver
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Sorry for wrong key; it is ha-restart-priority. Resending again.

Thanks,
PANKAJ

From: Pankaj Kumar Biswas
Sent: Tuesday, December 13, 2011 3:31 PM
To: xen-api@lists.xensource.com
Subject: Re: ha-restart-policy =3D1,2,3 invalid for latest version of Xense=
rver

Hi Team,

In Xenserver 6.0 (boston release) ha-restart-policy we cannot set to 1,2 or=
 3 ...only we can make it to best-effort and restart..

Is it true?? If yes may I have the reason to do so??  Do we have any docume=
ntation regarding that??


Thanks & Regards,
PANKAJ KUMAR BISWAS

--_000_64FB1554ABC9B44FAA773FBD6CB889C2F91230CEA7BANPMAILBOX01_
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	{margin:0in;
	margin-bottom:.0001pt;
	font-size:11.0pt;
	font-family:"Calibri","sans-serif";}
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	{mso-style-priority:99;
	color:blue;
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	{size:8.5in 11.0in;
	margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
	{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext=3D"edit">
<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span style=3D'c=
olor:#1F497D'>Sorry for wrong key; it is ha-restart-priority. Resending aga=
in.<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F497D'=
><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F4=
97D'>Thanks,<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'color=
:#1F497D'>PANKAJ<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'c=
olor:#1F497D'><o:p>&nbsp;</o:p></span></p><div><div style=3D'border:none;bo=
rder-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMsoNorma=
l><b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Fro=
m:</span></b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-ser=
if"'> Pankaj Kumar Biswas <br><b>Sent:</b> Tuesday, December 13, 2011 3:31 =
PM<br><b>To:</b> xen-api@lists.xensource.com<br><b>Subject:</b> Re: ha-rest=
art-policy =3D1,2,3 invalid for latest version of Xenserver<o:p></o:p></spa=
n></p></div></div><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoN=
ormal>Hi Team,<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p c=
lass=3DMsoNormal><span style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2=
","serif";color:black'>In Xenserver 6.0 (boston release) ha-restart-policy =
we cannot set to 1,2 or 3 ...only we can make it to best-effort and restart=
..<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:9.0pt=
;font-family:"MS Shell Dlg 2","serif";color:black'><o:p>&nbsp;</o:p></span>=
</p><p class=3DMsoNormal><span style=3D'font-size:9.0pt;font-family:"MS She=
ll Dlg 2","serif";color:black'>Is it true?? If yes may I have the reason to=
 do so??&nbsp; Do we have any documentation regarding that??</span><o:p></o=
:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><o:p>=
&nbsp;</o:p></p><p class=3DMsoNormal><b><span style=3D'font-family:"Cambria=
","serif"'>Thanks &amp; Regards,<o:p></o:p></span></b></p><p class=3DMsoNor=
mal><b><span style=3D'font-family:"Cambria","serif"'>PANKAJ KUMAR BISWAS<o:=
p></o:p></span></b></p></div></body></html>=

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From: Pankaj Kumar Biswas <pankaj.kumarbiswas@citrix.com>
To: "xen-api@lists.xensource.com" <xen-api@lists.xensource.com>
Date: Tue, 13 Dec 2011 15:33:17 +0530
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Sorry for wrong key; it is ha-restart-priority. Resending again.

Thanks,
PANKAJ

From: Pankaj Kumar Biswas
Sent: Tuesday, December 13, 2011 3:31 PM
To: xen-api@lists.xensource.com
Subject: Re: ha-restart-policy =3D1,2,3 invalid for latest version of Xense=
rver

Hi Team,

In Xenserver 6.0 (boston release) ha-restart-policy we cannot set to 1,2 or=
 3 ...only we can make it to best-effort and restart..

Is it true?? If yes may I have the reason to do so??  Do we have any docume=
ntation regarding that??


Thanks & Regards,
PANKAJ KUMAR BISWAS

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<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span style=3D'c=
olor:#1F497D'>Sorry for wrong key; it is ha-restart-priority. Resending aga=
in.<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F497D'=
><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F4=
97D'>Thanks,<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'color=
:#1F497D'>PANKAJ<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'c=
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rder-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMsoNorma=
l><b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Fro=
m:</span></b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-ser=
if"'> Pankaj Kumar Biswas <br><b>Sent:</b> Tuesday, December 13, 2011 3:31 =
PM<br><b>To:</b> xen-api@lists.xensource.com<br><b>Subject:</b> Re: ha-rest=
art-policy =3D1,2,3 invalid for latest version of Xenserver<o:p></o:p></spa=
n></p></div></div><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoN=
ormal>Hi Team,<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p c=
lass=3DMsoNormal><span style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2=
","serif";color:black'>In Xenserver 6.0 (boston release) ha-restart-policy =
we cannot set to 1,2 or 3 ...only we can make it to best-effort and restart=
..<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:9.0pt=
;font-family:"MS Shell Dlg 2","serif";color:black'><o:p>&nbsp;</o:p></span>=
</p><p class=3DMsoNormal><span style=3D'font-size:9.0pt;font-family:"MS She=
ll Dlg 2","serif";color:black'>Is it true?? If yes may I have the reason to=
 do so??&nbsp; Do we have any documentation regarding that??</span><o:p></o=
:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><o:p>=
&nbsp;</o:p></p><p class=3DMsoNormal><b><span style=3D'font-family:"Cambria=
","serif"'>Thanks &amp; Regards,<o:p></o:p></span></b></p><p class=3DMsoNor=
mal><b><span style=3D'font-family:"Cambria","serif"'>PANKAJ KUMAR BISWAS<o:=
p></o:p></span></b></p></div></body></html>=

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> In Xenserver 6.0 (boston release) ha-restart-policy we cannot set to 1,2 =
or 3 ...only we can make it to best-effort and restart..
>
> Is it true?? If yes may I have the reason to do so??  Do we have any docu=
mentation regarding that??

Hi Pankaj,

The HA API was changed in XenServer 6.0 - there is a new VM field "order", =
which is used together with ha-restart-priority to define a VM's HA behavio=
ur.
Where previously you would have set a VM's restart priority to 1, you would=
 now call:

xe vm-param-set uuid=3D<vm-uuid> ha-restart-priority=3Drestart order=3D1

The order field can hold any non-negative 64 bit integer, and VMs with a lo=
wer order will be restarted first after an HA failover.

It looks like the administrator's guide still refers to the old API - I'll =
see about getting this updated.

Thanks,
John


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</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext=3D"edit">
<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DEN-GB link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span lang=3DEN-=
US style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2";color:#1F497D'>&gt=
; </span><span lang=3DEN-US style=3D'font-size:9.0pt;font-family:"MS Shell =
Dlg 2";color:black'>In Xenserver 6.0 (boston release) ha-restart-policy we =
cannot set to 1,2 or 3 ...only we can make it to best-effort and restart..<=
o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US style=3D'font-=
size:9.0pt;font-family:"MS Shell Dlg 2";color:#1F497D'>&gt;</span><span lan=
g=3DEN-US style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2";color:black=
'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US style=
=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2";color:#1F497D'>&gt; </span=
><span lang=3DEN-US style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2";c=
olor:black'>Is it true?? If yes may I have the reason to do so??&nbsp; Do w=
e have any documentation regarding that??</span><span lang=3DEN-US style=3D=
'font-size:9.0pt;font-family:"MS Shell Dlg 2";color:#1F497D'><o:p></o:p></s=
pan></p><p class=3DMsoNormal><span lang=3DEN-US style=3D'color:#1F497D'><o:=
p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F497D'=
>Hi Pankaj,<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'color:=
#1F497D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span style=3D'co=
lor:#1F497D'>The HA API was changed in XenServer 6.0 &#8211; there is a new=
 VM field &#8220;order&#8221;, which is used together with ha-restart-prior=
ity to define a VM&#8217;s HA behaviour.<o:p></o:p></span></p><p class=3DMs=
oNormal><span style=3D'color:#1F497D'>Where previously you would have set a=
 VM&#8217;s restart priority to 1, you would now call:<o:p></o:p></span></p=
><p class=3DMsoNormal><span style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span=
></p><p class=3DMsoNormal><span style=3D'font-family:"Courier New";color:#1=
F497D'>xe vm-param-set uuid=3D&lt;vm-uuid&gt; ha-restart-priority=3Drestart=
 order=3D1<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'font-fa=
mily:"Courier New";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=3DMs=
oNormal><span style=3D'color:#1F497D'>The order field can hold any non-nega=
tive 64 bit integer, and VMs with a lower order will be restarted first aft=
er an HA failover.<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D=
'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span styl=
e=3D'color:#1F497D'>It looks like the administrator&#8217;s guide still ref=
ers to the old API &#8211; I&#8217;ll see about getting this updated.<o:p><=
/o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F497D'><o:p>&nb=
sp;</o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F497D'>Than=
ks,<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F497D'=
>John<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US style=3D=
'color:#1F497D'><o:p>&nbsp;</o:p></span></p></div></body></html>=

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> In Xenserver 6.0 (boston release) ha-restart-policy we cannot set to 1,2 =
or 3 ...only we can make it to best-effort and restart..
>
> Is it true?? If yes may I have the reason to do so??  Do we have any docu=
mentation regarding that??

Hi Pankaj,

The HA API was changed in XenServer 6.0 - there is a new VM field "order", =
which is used together with ha-restart-priority to define a VM's HA behavio=
ur.
Where previously you would have set a VM's restart priority to 1, you would=
 now call:

xe vm-param-set uuid=3D<vm-uuid> ha-restart-priority=3Drestart order=3D1

The order field can hold any non-negative 64 bit integer, and VMs with a lo=
wer order will be restarted first after an HA failover.

It looks like the administrator's guide still refers to the old API - I'll =
see about getting this updated.

Thanks,
John


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; </span><span lang=3DEN-US style=3D'font-size:9.0pt;font-family:"MS Shell =
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size:9.0pt;font-family:"MS Shell Dlg 2";color:#1F497D'>&gt;</span><span lan=
g=3DEN-US style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2";color:black=
'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US style=
=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2";color:#1F497D'>&gt; </span=
><span lang=3DEN-US style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2";c=
olor:black'>Is it true?? If yes may I have the reason to do so??&nbsp; Do w=
e have any documentation regarding that??</span><span lang=3DEN-US style=3D=
'font-size:9.0pt;font-family:"MS Shell Dlg 2";color:#1F497D'><o:p></o:p></s=
pan></p><p class=3DMsoNormal><span lang=3DEN-US style=3D'color:#1F497D'><o:=
p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F497D'=
>Hi Pankaj,<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'color:=
#1F497D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span style=3D'co=
lor:#1F497D'>The HA API was changed in XenServer 6.0 &#8211; there is a new=
 VM field &#8220;order&#8221;, which is used together with ha-restart-prior=
ity to define a VM&#8217;s HA behaviour.<o:p></o:p></span></p><p class=3DMs=
oNormal><span style=3D'color:#1F497D'>Where previously you would have set a=
 VM&#8217;s restart priority to 1, you would now call:<o:p></o:p></span></p=
><p class=3DMsoNormal><span style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span=
></p><p class=3DMsoNormal><span style=3D'font-family:"Courier New";color:#1=
F497D'>xe vm-param-set uuid=3D&lt;vm-uuid&gt; ha-restart-priority=3Drestart=
 order=3D1<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'font-fa=
mily:"Courier New";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=3DMs=
oNormal><span style=3D'color:#1F497D'>The order field can hold any non-nega=
tive 64 bit integer, and VMs with a lower order will be restarted first aft=
er an HA failover.<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D=
'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span styl=
e=3D'color:#1F497D'>It looks like the administrator&#8217;s guide still ref=
ers to the old API &#8211; I&#8217;ll see about getting this updated.<o:p><=
/o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F497D'><o:p>&nb=
sp;</o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F497D'>Than=
ks,<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F497D'=
>John<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US style=3D=
'color:#1F497D'><o:p>&nbsp;</o:p></span></p></div></body></html>=

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From: Pankaj Kumar Biswas <pankaj.kumarbiswas@citrix.com>
To: John Else <john.else@citrix.com>, "xen-api@lists.xensource.com"
	<xen-api@lists.xensource.com>
Date: Tue, 13 Dec 2011 17:05:54 +0530
Thread-Topic: [Xen-API] ha-restart-policy =1, 2, 3  invalid  for latest
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Thanks a ton !! .  Really appreciate the quick response John. Please do let=
 me know when the xapi-document gets updated.
Thank you once again.

PANKAJ


From: John Else
Sent: Tuesday, December 13, 2011 4:54 PM
To: Pankaj Kumar Biswas; xen-api@lists.xensource.com
Subject: RE: [Xen-API] ha-restart-policy =3D1, 2, 3 invalid for latest vers=
ion of Xenserver

> In Xenserver 6.0 (boston release) ha-restart-policy we cannot set to 1,2 =
or 3 ...only we can make it to best-effort and restart..
>
> Is it true?? If yes may I have the reason to do so??  Do we have any docu=
mentation regarding that??

Hi Pankaj,

The HA API was changed in XenServer 6.0 - there is a new VM field "order", =
which is used together with ha-restart-priority to define a VM's HA behavio=
ur.
Where previously you would have set a VM's restart priority to 1, you would=
 now call:

xe vm-param-set uuid=3D<vm-uuid> ha-restart-priority=3Drestart order=3D1

The order field can hold any non-negative 64 bit integer, and VMs with a lo=
wer order will be restarted first after an HA failover.

It looks like the administrator's guide still refers to the old API - I'll =
see about getting this updated.

Thanks,
John


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osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" =
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<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span style=3D'c=
olor:#1F497D'>Thanks a ton !! . &nbsp;Really appreciate the quick response =
John. Please do let me know when the xapi-document gets updated.<o:p></o:p>=
</span></p><p class=3DMsoNormal><span style=3D'color:#1F497D'>Thank you onc=
e again.<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F=
497D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span style=3D'color=
:#1F497D'>PANKAJ<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'c=
olor:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span style=
=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><div style=3D'border:no=
ne;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMso=
Normal><b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"=
'>From:</span></b><span style=3D'font-size:10.0pt;font-family:"Tahoma","san=
s-serif"'> John Else <br><b>Sent:</b> Tuesday, December 13, 2011 4:54 PM<br=
><b>To:</b> Pankaj Kumar Biswas; xen-api@lists.xensource.com<br><b>Subject:=
</b> RE: [Xen-API] ha-restart-policy =3D1, 2, 3 invalid for latest version =
of Xenserver<o:p></o:p></span></p></div></div><p class=3DMsoNormal><o:p>&nb=
sp;</o:p></p><p class=3DMsoNormal><span style=3D'font-size:9.0pt;font-famil=
y:"MS Shell Dlg 2","serif";color:#1F497D'>&gt; </span><span style=3D'font-s=
ize:9.0pt;font-family:"MS Shell Dlg 2","serif";color:black'>In Xenserver 6.=
0 (boston release) ha-restart-policy we cannot set to 1,2 or 3 ...only we c=
an make it to best-effort and restart..<o:p></o:p></span></p><p class=3DMso=
Normal><span style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2","serif";=
color:#1F497D'>&gt;</span><span style=3D'font-size:9.0pt;font-family:"MS Sh=
ell Dlg 2","serif";color:black'><o:p>&nbsp;</o:p></span></p><p class=3DMsoN=
ormal><span style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2","serif";c=
olor:#1F497D'>&gt; </span><span style=3D'font-size:9.0pt;font-family:"MS Sh=
ell Dlg 2","serif";color:black'>Is it true?? If yes may I have the reason t=
o do so??&nbsp; Do we have any documentation regarding that??</span><span s=
tyle=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2","serif";color:#1F497D'=
><o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F497D'><=
o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span lang=3DEN-GB style=3D=
'color:#1F497D'>Hi Pankaj,<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=
=3DMsoNormal><span lang=3DEN-GB style=3D'color:#1F497D'>The HA API was chan=
ged in XenServer 6.0 &#8211; there is a new VM field &#8220;order&#8221;, w=
hich is used together with ha-restart-priority to define a VM&#8217;s HA be=
haviour.<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-GB style=
=3D'color:#1F497D'>Where previously you would have set a VM&#8217;s restart=
 priority to 1, you would now call:<o:p></o:p></span></p><p class=3DMsoNorm=
al><span lang=3DEN-GB style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><=
p class=3DMsoNormal><span lang=3DEN-GB style=3D'font-family:"Courier New";c=
olor:#1F497D'>xe vm-param-set uuid=3D&lt;vm-uuid&gt; ha-restart-priority=3D=
restart order=3D1<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN=
-GB style=3D'font-family:"Courier New";color:#1F497D'><o:p>&nbsp;</o:p></sp=
an></p><p class=3DMsoNormal><span lang=3DEN-GB style=3D'color:#1F497D'>The =
order field can hold any non-negative 64 bit integer, and VMs with a lower =
order will be restarted first after an HA failover.<o:p></o:p></span></p><p=
 class=3DMsoNormal><span lang=3DEN-GB style=3D'color:#1F497D'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span lang=3DEN-GB style=3D'color:#1F49=
7D'>It looks like the administrator&#8217;s guide still refers to the old A=
PI &#8211; I&#8217;ll see about getting this updated.<o:p></o:p></span></p>=
<p class=3DMsoNormal><span lang=3DEN-GB style=3D'color:#1F497D'><o:p>&nbsp;=
</o:p></span></p><p class=3DMsoNormal><span lang=3DEN-GB style=3D'color:#1F=
497D'>Thanks,<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-GB =
style=3D'color:#1F497D'>John<o:p></o:p></span></p><p class=3DMsoNormal><spa=
n style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p></div></body></html>=

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Thread-Topic: [Xen-API] ha-restart-policy =1, 2, 3  invalid  for latest
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Thanks a ton !! .  Really appreciate the quick response John. Please do let=
 me know when the xapi-document gets updated.
Thank you once again.

PANKAJ


From: John Else
Sent: Tuesday, December 13, 2011 4:54 PM
To: Pankaj Kumar Biswas; xen-api@lists.xensource.com
Subject: RE: [Xen-API] ha-restart-policy =3D1, 2, 3 invalid for latest vers=
ion of Xenserver

> In Xenserver 6.0 (boston release) ha-restart-policy we cannot set to 1,2 =
or 3 ...only we can make it to best-effort and restart..
>
> Is it true?? If yes may I have the reason to do so??  Do we have any docu=
mentation regarding that??

Hi Pankaj,

The HA API was changed in XenServer 6.0 - there is a new VM field "order", =
which is used together with ha-restart-priority to define a VM's HA behavio=
ur.
Where previously you would have set a VM's restart priority to 1, you would=
 now call:

xe vm-param-set uuid=3D<vm-uuid> ha-restart-priority=3Drestart order=3D1

The order field can hold any non-negative 64 bit integer, and VMs with a lo=
wer order will be restarted first after an HA failover.

It looks like the administrator's guide still refers to the old API - I'll =
see about getting this updated.

Thanks,
John


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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span style=3D'c=
olor:#1F497D'>Thanks a ton !! . &nbsp;Really appreciate the quick response =
John. Please do let me know when the xapi-document gets updated.<o:p></o:p>=
</span></p><p class=3DMsoNormal><span style=3D'color:#1F497D'>Thank you onc=
e again.<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F=
497D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span style=3D'color=
:#1F497D'>PANKAJ<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'c=
olor:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span style=
=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><div style=3D'border:no=
ne;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMso=
Normal><b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"=
'>From:</span></b><span style=3D'font-size:10.0pt;font-family:"Tahoma","san=
s-serif"'> John Else <br><b>Sent:</b> Tuesday, December 13, 2011 4:54 PM<br=
><b>To:</b> Pankaj Kumar Biswas; xen-api@lists.xensource.com<br><b>Subject:=
</b> RE: [Xen-API] ha-restart-policy =3D1, 2, 3 invalid for latest version =
of Xenserver<o:p></o:p></span></p></div></div><p class=3DMsoNormal><o:p>&nb=
sp;</o:p></p><p class=3DMsoNormal><span style=3D'font-size:9.0pt;font-famil=
y:"MS Shell Dlg 2","serif";color:#1F497D'>&gt; </span><span style=3D'font-s=
ize:9.0pt;font-family:"MS Shell Dlg 2","serif";color:black'>In Xenserver 6.=
0 (boston release) ha-restart-policy we cannot set to 1,2 or 3 ...only we c=
an make it to best-effort and restart..<o:p></o:p></span></p><p class=3DMso=
Normal><span style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2","serif";=
color:#1F497D'>&gt;</span><span style=3D'font-size:9.0pt;font-family:"MS Sh=
ell Dlg 2","serif";color:black'><o:p>&nbsp;</o:p></span></p><p class=3DMsoN=
ormal><span style=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2","serif";c=
olor:#1F497D'>&gt; </span><span style=3D'font-size:9.0pt;font-family:"MS Sh=
ell Dlg 2","serif";color:black'>Is it true?? If yes may I have the reason t=
o do so??&nbsp; Do we have any documentation regarding that??</span><span s=
tyle=3D'font-size:9.0pt;font-family:"MS Shell Dlg 2","serif";color:#1F497D'=
><o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'color:#1F497D'><=
o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span lang=3DEN-GB style=3D=
'color:#1F497D'>Hi Pankaj,<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=
=3DMsoNormal><span lang=3DEN-GB style=3D'color:#1F497D'>The HA API was chan=
ged in XenServer 6.0 &#8211; there is a new VM field &#8220;order&#8221;, w=
hich is used together with ha-restart-priority to define a VM&#8217;s HA be=
haviour.<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-GB style=
=3D'color:#1F497D'>Where previously you would have set a VM&#8217;s restart=
 priority to 1, you would now call:<o:p></o:p></span></p><p class=3DMsoNorm=
al><span lang=3DEN-GB style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><=
p class=3DMsoNormal><span lang=3DEN-GB style=3D'font-family:"Courier New";c=
olor:#1F497D'>xe vm-param-set uuid=3D&lt;vm-uuid&gt; ha-restart-priority=3D=
restart order=3D1<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN=
-GB style=3D'font-family:"Courier New";color:#1F497D'><o:p>&nbsp;</o:p></sp=
an></p><p class=3DMsoNormal><span lang=3DEN-GB style=3D'color:#1F497D'>The =
order field can hold any non-negative 64 bit integer, and VMs with a lower =
order will be restarted first after an HA failover.<o:p></o:p></span></p><p=
 class=3DMsoNormal><span lang=3DEN-GB style=3D'color:#1F497D'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span lang=3DEN-GB style=3D'color:#1F49=
7D'>It looks like the administrator&#8217;s guide still refers to the old A=
PI &#8211; I&#8217;ll see about getting this updated.<o:p></o:p></span></p>=
<p class=3DMsoNormal><span lang=3DEN-GB style=3D'color:#1F497D'><o:p>&nbsp;=
</o:p></span></p><p class=3DMsoNormal><span lang=3DEN-GB style=3D'color:#1F=
497D'>Thanks,<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-GB =
style=3D'color:#1F497D'>John<o:p></o:p></span></p><p class=3DMsoNormal><spa=
n style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p></div></body></html>=

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On 13/12/11 06:38, Dave Whitla wrote:
> Hi list members. Forgive me if this is documented somewhere. I've spent the last hour searching for any mention of it.
> Where can I log bugs (with patches) against the Kronos project?
> Do you have a JIRA, Bugzilla or something somewhere. Links on the Wiki would be appreciated also.
> 

We haven't officially decided on the best place to report bugs, for
either XCP or Kronos, which is why there's no wiki doc on this topic. I
do have a Launchpad project set up for XCP, where I've started reporting
bugs (mainly for the purpose of testing Lauchpad to see if it will work
for us).

Please go ahead and log your bug report to the Lauchpad bug tracker [1],
and reply here with a link to the new bug report. If people like the new
bug tracker, perhaps we'll make it official and write about it on the wiki.

Mike

[1] https://bugs.launchpad.net/xcp

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On 13/12/11 06:38, Dave Whitla wrote:
> Hi list members. Forgive me if this is documented somewhere. I've spent the last hour searching for any mention of it.
> Where can I log bugs (with patches) against the Kronos project?
> Do you have a JIRA, Bugzilla or something somewhere. Links on the Wiki would be appreciated also.
> 

We haven't officially decided on the best place to report bugs, for
either XCP or Kronos, which is why there's no wiki doc on this topic. I
do have a Launchpad project set up for XCP, where I've started reporting
bugs (mainly for the purpose of testing Lauchpad to see if it will work
for us).

Please go ahead and log your bug report to the Lauchpad bug tracker [1],
and reply here with a link to the new bug report. If people like the new
bug tracker, perhaps we'll make it official and write about it on the wiki.

Mike

[1] https://bugs.launchpad.net/xcp

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Subject: [Xen-API] Successful Kronos deployments?
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I realise the current alpha state of the project and I'm eager to help move it to production-ready.

I'd just like to benchmark my experience with Kronos thus far somehow.

I have had a fully functional Xen solution for some time now based on Debian Wheezy (kernel 3.1.1), the Xen 4.1.2 hypervisor and associated packages from Wheezy, Open vSwitch 1.2.2 (with my own patch for kernel 3.1) and the Pacemaker cluster framework.
All my Xen daemons are started by pacemaker as a lot of shared config is kept on an OCFS2 filesystem on clustered LVM on SAN over fibre channel. My guest disk images are LVM logical volumes which are concurrently active on all nodes in the cluster via the FC SAN.
I've been managing provisioning, migration etc using some custom management scripts which I run from a virtual machine on the cluster. The cluster config has enough to bootstrap the cluster and start my management vm. I like using Pacemaker for this as it is very easy to integrate with other parts of the OS to manage things like resource colocation and automatic live migration of guests when the host node shuts down.

Incidentally I always provision using debootstrap and APT for Debian guests or kickstart over the network for RHEL guests - I really don't like the VMWare and Amazon approach of cloning templates. Typical host provisioning takes about 90 seconds.

Recently I have been forced to integrate some form of GUI management tool because my users find the command line "too hard".
After testing a few options the only one which seems to meet their needs is XenCenter - so I've started integrating xapi into my cluster using packages from the Kronos project.
So far I've been able to connect XenCenter (downloaded from a XenServer 6.0.0 installation) to my test xapi-on-Debian node.
But I can't create any SR's, networking can't be configured from the GUI (I've set the network model to openvswitch in /etc/xcp/network.conf) and the location of XCP config files is very different from that mentioned in the limited documentation.

I'd appreciate any pointers to documentation that isn't linked to from the WIKI as I've already read everything there. There don't seem to be any man pages in the packages themselves.
I'd also really like to hear from anyone with a similar setup that is working for them - even if only in part.

Thanks for any assistance.

Dave



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From xen-api-bounces@lists.xensource.com Wed Dec 14 00:25:39 2011
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I realise the current alpha state of the project and I'm eager to help move it to production-ready.

I'd just like to benchmark my experience with Kronos thus far somehow.

I have had a fully functional Xen solution for some time now based on Debian Wheezy (kernel 3.1.1), the Xen 4.1.2 hypervisor and associated packages from Wheezy, Open vSwitch 1.2.2 (with my own patch for kernel 3.1) and the Pacemaker cluster framework.
All my Xen daemons are started by pacemaker as a lot of shared config is kept on an OCFS2 filesystem on clustered LVM on SAN over fibre channel. My guest disk images are LVM logical volumes which are concurrently active on all nodes in the cluster via the FC SAN.
I've been managing provisioning, migration etc using some custom management scripts which I run from a virtual machine on the cluster. The cluster config has enough to bootstrap the cluster and start my management vm. I like using Pacemaker for this as it is very easy to integrate with other parts of the OS to manage things like resource colocation and automatic live migration of guests when the host node shuts down.

Incidentally I always provision using debootstrap and APT for Debian guests or kickstart over the network for RHEL guests - I really don't like the VMWare and Amazon approach of cloning templates. Typical host provisioning takes about 90 seconds.

Recently I have been forced to integrate some form of GUI management tool because my users find the command line "too hard".
After testing a few options the only one which seems to meet their needs is XenCenter - so I've started integrating xapi into my cluster using packages from the Kronos project.
So far I've been able to connect XenCenter (downloaded from a XenServer 6.0.0 installation) to my test xapi-on-Debian node.
But I can't create any SR's, networking can't be configured from the GUI (I've set the network model to openvswitch in /etc/xcp/network.conf) and the location of XCP config files is very different from that mentioned in the limited documentation.

I'd appreciate any pointers to documentation that isn't linked to from the WIKI as I've already read everything there. There don't seem to be any man pages in the packages themselves.
I'd also really like to hear from anyone with a similar setup that is working for them - even if only in part.

Thanks for any assistance.

Dave



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From xen-api-bounces@lists.xensource.com Wed Dec 14 01:52:40 2011
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Hi all,

I've been working through this issue:

SR_BACKEND_FAILURE_53: [ ; Logical Volume unmount/deactivate error [opterr=errno is 3];  ]

when attempting to create an LVM backed SR on Kronos.
I've read in the list archives that LVM on XenServer and XCP is patched to use xapi as the cluster lock manager.

Why?

DLM and CLVM are mature and work just fine. Why reinvent the wheel for no gain?
Just trying to understand as this design choice as this makes it very hard to integrate Kronos with a working Debian cluster.

Thanks,

Dave
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Hi all,

I've been working through this issue:

SR_BACKEND_FAILURE_53: [ ; Logical Volume unmount/deactivate error [opterr=errno is 3];  ]

when attempting to create an LVM backed SR on Kronos.
I've read in the list archives that LVM on XenServer and XCP is patched to use xapi as the cluster lock manager.

Why?

DLM and CLVM are mature and work just fine. Why reinvent the wheel for no gain?
Just trying to understand as this design choice as this makes it very hard to integrate Kronos with a working Debian cluster.

Thanks,

Dave
_______________________________________________
xen-api mailing list
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http://lists.xensource.com/mailman/listinfo/xen-api

From xen-api-bounces@lists.xensource.com Wed Dec 14 05:16:12 2011
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As an update, I have succeeded in creating an LVM SR after hacking on the sm python scripts. It seems xapi tries to fulfil roles in the stack that I have already allocated to standard components.
I was trying earlier to create an LVMoHBA SR but as I already manage multipathing and cluster locking at the OS level this will not work.

The python sm scripts also contain numerous references to utility paths (such as /sbin/pidof) which are RedHat derivative specific, so I needed to change these to their Debian/Ubuntu equivalents before I could at least get the LVM SR working.
I also had to remove the use of the vgchange --master option which is peculiar to a XenCenter LVM patch (I have no need of it anyway on pacemaker managed CLVM).

I will log bugs for the above as soon as I have created patches to submit.

I hope this helps others.

Dave 

On 14/12/2011, at 10:24 AM, Dave Whitla wrote:

> I realise the current alpha state of the project and I'm eager to help move it to production-ready.
> 
> I'd just like to benchmark my experience with Kronos thus far somehow.
...



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As an update, I have succeeded in creating an LVM SR after hacking on the sm python scripts. It seems xapi tries to fulfil roles in the stack that I have already allocated to standard components.
I was trying earlier to create an LVMoHBA SR but as I already manage multipathing and cluster locking at the OS level this will not work.

The python sm scripts also contain numerous references to utility paths (such as /sbin/pidof) which are RedHat derivative specific, so I needed to change these to their Debian/Ubuntu equivalents before I could at least get the LVM SR working.
I also had to remove the use of the vgchange --master option which is peculiar to a XenCenter LVM patch (I have no need of it anyway on pacemaker managed CLVM).

I will log bugs for the above as soon as I have created patches to submit.

I hope this helps others.

Dave 

On 14/12/2011, at 10:24 AM, Dave Whitla wrote:

> I realise the current alpha state of the project and I'm eager to help move it to production-ready.
> 
> I'd just like to benchmark my experience with Kronos thus far somehow.
...



_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
	availability]
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On 11/12/11 19:06, Pasi K=E4rkk=E4inen wrote:
> Hey,
> =

> I think we should use the name "XCP" only for the appliance,
> and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu? =

> =

> Does that make sense? Some people are getting confused about what XCP is..
> =


I think that does make sense, Pasi. For the Debian packages, I think I'd
like to call them the "XCP toolstack" packages. And for a Debian host
with the XCP toolstack installed, perhaps we should just call it a
Kronos host? I'd like the name Kronos to drop away, but it seems like
the easiest way to differentiate the two.

Does anyone else have any suggestions?

Mike

_______________________________________________
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http://lists.xensource.com/mailman/listinfo/xen-api

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Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
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On 11/12/11 19:06, Pasi K=E4rkk=E4inen wrote:
> Hey,
> =

> I think we should use the name "XCP" only for the appliance,
> and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu? =

> =

> Does that make sense? Some people are getting confused about what XCP is..
> =


I think that does make sense, Pasi. For the Debian packages, I think I'd
like to call them the "XCP toolstack" packages. And for a Debian host
with the XCP toolstack installed, perhaps we should just call it a
Kronos host? I'd like the name Kronos to drop away, but it seems like
the easiest way to differentiate the two.

Does anyone else have any suggestions?

Mike

_______________________________________________
xen-api mailing list
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http://lists.xensource.com/mailman/listinfo/xen-api

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> -----Original Message-----
> From: xen-api-bounces@lists.xensource.com [mailto:xen-api-
> bounces@lists.xensource.com] On Behalf Of Mike McClurg
> Sent: Wednesday, December 14, 2011 9:29 AM
> To: Pasi K=E4rkk=E4inen
> Cc: Enzo Lombardi; xen-users@lists.xensource.com;
xen-api@lists.xensource.com
> Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
> availability]
>
> On 11/12/11 19:06, Pasi K=E4rkk=E4inen wrote:
> > Hey,
> >
> > I think we should use the name "XCP" only for the appliance,
> > and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu?
> >
> > Does that make sense? Some people are getting confused about what XCP
is..
> >
>
> I think that does make sense, Pasi. For the Debian packages, I think I'd
> like to call them the "XCP toolstack" packages. And for a Debian host
> with the XCP toolstack installed, perhaps we should just call it a
> Kronos host? I'd like the name Kronos to drop away, but it seems like
> the easiest way to differentiate the two.
>
> Does anyone else have any suggestions?

Mike,

I would go a single step further, and suggest that you not use the term
"XCP" at all in the context of Kronos. There's already pleeenty of
confusion about exactly what is what. Right now, XCP means one thing, and
I would implore you to keep it that way.

_______________________________________________
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http://lists.xensource.com/mailman/listinfo/xen-api

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> -----Original Message-----
> From: xen-api-bounces@lists.xensource.com [mailto:xen-api-
> bounces@lists.xensource.com] On Behalf Of Mike McClurg
> Sent: Wednesday, December 14, 2011 9:29 AM
> To: Pasi K=E4rkk=E4inen
> Cc: Enzo Lombardi; xen-users@lists.xensource.com;
xen-api@lists.xensource.com
> Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
> availability]
>
> On 11/12/11 19:06, Pasi K=E4rkk=E4inen wrote:
> > Hey,
> >
> > I think we should use the name "XCP" only for the appliance,
> > and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu?
> >
> > Does that make sense? Some people are getting confused about what XCP
is..
> >
>
> I think that does make sense, Pasi. For the Debian packages, I think I'd
> like to call them the "XCP toolstack" packages. And for a Debian host
> with the XCP toolstack installed, perhaps we should just call it a
> Kronos host? I'd like the name Kronos to drop away, but it seems like
> the easiest way to differentiate the two.
>
> Does anyone else have any suggestions?

Mike,

I would go a single step further, and suggest that you not use the term
"XCP" at all in the context of Kronos. There's already pleeenty of
confusion about exactly what is what. Right now, XCP means one thing, and
I would implore you to keep it that way.

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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On 14/12/11 17:32, Alex Perez wrote:
> I would go a single step further, and suggest that you not use the term
> "XCP" at all in the context of Kronos. There's already pleeenty of
> confusion about exactly what is what. Right now, XCP means one thing, and
> I would implore you to keep it that way.

One of the biggest effects of this confusion is that people are now
worried that XCP will become completely unstable, like Fedora versus
RHEL, and thus won't be suitable for serious enterprise deployments.

Perhaps just calling it Kronos is a good idea. Though our packaging is
nearly complete, and they are all prefixed with 'xcp-'... I suppose we
can leave that as it is, since it is the XCP toolstack we're installing.
Does anyone else feel this strongly about calling it Kronos, and NOT
mentioning XCP?

Mike

_______________________________________________
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http://lists.xensource.com/mailman/listinfo/xen-api

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On 14/12/11 17:32, Alex Perez wrote:
> I would go a single step further, and suggest that you not use the term
> "XCP" at all in the context of Kronos. There's already pleeenty of
> confusion about exactly what is what. Right now, XCP means one thing, and
> I would implore you to keep it that way.

One of the biggest effects of this confusion is that people are now
worried that XCP will become completely unstable, like Fedora versus
RHEL, and thus won't be suitable for serious enterprise deployments.

Perhaps just calling it Kronos is a good idea. Though our packaging is
nearly complete, and they are all prefixed with 'xcp-'... I suppose we
can leave that as it is, since it is the XCP toolstack we're installing.
Does anyone else feel this strongly about calling it Kronos, and NOT
mentioning XCP?

Mike

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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On Wed, 2011-12-14 at 18:01 +0000, Mike McClurg wrote:
> On 14/12/11 17:32, Alex Perez wrote:
> > I would go a single step further, and suggest that you not use the term
> > "XCP" at all in the context of Kronos. There's already pleeenty of
> > confusion about exactly what is what. Right now, XCP means one thing, and
> > I would implore you to keep it that way.
> 
> One of the biggest effects of this confusion is that people are now
> worried that XCP will become completely unstable, like Fedora versus
> RHEL, and thus won't be suitable for serious enterprise deployments.
> 
> Perhaps just calling it Kronos is a good idea. Though our packaging is
> nearly complete, and they are all prefixed with 'xcp-'... I suppose we
> can leave that as it is, since it is the XCP toolstack we're installing.
> Does anyone else feel this strongly about calling it Kronos, and NOT
> mentioning XCP?

I prefer it with the XCP label, though xcp-debian might be better

> 
> Mike
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api



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On Wed, 2011-12-14 at 18:01 +0000, Mike McClurg wrote:
> On 14/12/11 17:32, Alex Perez wrote:
> > I would go a single step further, and suggest that you not use the term
> > "XCP" at all in the context of Kronos. There's already pleeenty of
> > confusion about exactly what is what. Right now, XCP means one thing, and
> > I would implore you to keep it that way.
> 
> One of the biggest effects of this confusion is that people are now
> worried that XCP will become completely unstable, like Fedora versus
> RHEL, and thus won't be suitable for serious enterprise deployments.
> 
> Perhaps just calling it Kronos is a good idea. Though our packaging is
> nearly complete, and they are all prefixed with 'xcp-'... I suppose we
> can leave that as it is, since it is the XCP toolstack we're installing.
> Does anyone else feel this strongly about calling it Kronos, and NOT
> mentioning XCP?

I prefer it with the XCP label, though xcp-debian might be better

> 
> Mike
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api



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On 14.12.2011 21:28, Mike McClurg wrote:
>> I think we should use the name "XCP" only for the appliance,
>> and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu?
>>
>> Does that make sense? Some people are getting confused about what XCP is..
>>
> I think that does make sense, Pasi. For the Debian packages, I think I'd
> like to call them the "XCP toolstack" packages. And for a Debian host
> with the XCP toolstack installed, perhaps we should just call it a
> Kronos host? I'd like the name Kronos to drop away, but it seems like
> the easiest way to differentiate the two.
>
> Does anyone else have any suggestions?
>
XCP is Xen Cloud Platform, which means it provides ready-out-of-box 
system. This includes every piece of current installation, includes 
xs-tools.iso, pre-created iso sr and other stuff. When we talking about 
toolstack it must be toolstack, not the 'platfrorm'. We can note XCP in 
description, but definitively not in name.

In our internal documentation I usually call all stuff around xapi 
(includes patched LVM, SM and so on) as xapi-toolstack. I think this 
will make very easy to understand model.

            +xend toolstack (Open Source, by community)
           /
          /                                                           
+----- XenServer (Proprientary, by Citrix)
         /                                  + appiances ----+ -----Xen 
Cloud Platform (Open Source, by Citrix)
        /                                  /
Xen + xapi toolstack -----+ ------kronos (Open source, ... by community?)


If this looks ugly I've attach litte diagram in png. (If someone needs 
for SVG, ask)


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Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
	availability]
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On 14.12.2011 21:28, Mike McClurg wrote:
>> I think we should use the name "XCP" only for the appliance,
>> and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu?
>>
>> Does that make sense? Some people are getting confused about what XCP is..
>>
> I think that does make sense, Pasi. For the Debian packages, I think I'd
> like to call them the "XCP toolstack" packages. And for a Debian host
> with the XCP toolstack installed, perhaps we should just call it a
> Kronos host? I'd like the name Kronos to drop away, but it seems like
> the easiest way to differentiate the two.
>
> Does anyone else have any suggestions?
>
XCP is Xen Cloud Platform, which means it provides ready-out-of-box 
system. This includes every piece of current installation, includes 
xs-tools.iso, pre-created iso sr and other stuff. When we talking about 
toolstack it must be toolstack, not the 'platfrorm'. We can note XCP in 
description, but definitively not in name.

In our internal documentation I usually call all stuff around xapi 
(includes patched LVM, SM and so on) as xapi-toolstack. I think this 
will make very easy to understand model.

            +xend toolstack (Open Source, by community)
           /
          /                                                           
+----- XenServer (Proprientary, by Citrix)
         /                                  + appiances ----+ -----Xen 
Cloud Platform (Open Source, by Citrix)
        /                                  /
Xen + xapi toolstack -----+ ------kronos (Open source, ... by community?)


If this looks ugly I've attach litte diagram in png. (If someone needs 
for SVG, ask)


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	<xen-api@lists.xensource.com>
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Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
	availability]
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> -----Original Message-----
> From: xen-api-bounces@lists.xensource.com [mailto:xen-api-
> bounces@lists.xensource.com] On Behalf Of George Shuklin
> Sent: Wednesday, December 14, 2011 10:36 AM
> To: xen-api@lists.xensource.com
> Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
> availability]
> 
> On 14.12.2011 21:28, Mike McClurg wrote:
> >> I think we should use the name "XCP" only for the appliance,
> >> and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu?
> >>
> >> Does that make sense? Some people are getting confused about what XCP
is..
> >>
> > I think that does make sense, Pasi. For the Debian packages, I think
I'd
> > like to call them the "XCP toolstack" packages. And for a Debian host
> > with the XCP toolstack installed, perhaps we should just call it a
> > Kronos host? I'd like the name Kronos to drop away, but it seems like
> > the easiest way to differentiate the two.
> >
> > Does anyone else have any suggestions?
> >
> XCP is Xen Cloud Platform, which means it provides ready-out-of-box
> system. This includes every piece of current installation, includes
> xs-tools.iso, pre-created iso sr and other stuff. When we talking about
> toolstack it must be toolstack, not the 'platfrorm'. We can note XCP in
> description, but definitively not in name.
> 
> In our internal documentation I usually call all stuff around xapi
> (includes patched LVM, SM and so on) as xapi-toolstack. I think this
> will make very easy to understand model.

+1


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> -----Original Message-----
> From: xen-api-bounces@lists.xensource.com [mailto:xen-api-
> bounces@lists.xensource.com] On Behalf Of George Shuklin
> Sent: Wednesday, December 14, 2011 10:36 AM
> To: xen-api@lists.xensource.com
> Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
> availability]
> 
> On 14.12.2011 21:28, Mike McClurg wrote:
> >> I think we should use the name "XCP" only for the appliance,
> >> and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu?
> >>
> >> Does that make sense? Some people are getting confused about what XCP
is..
> >>
> > I think that does make sense, Pasi. For the Debian packages, I think
I'd
> > like to call them the "XCP toolstack" packages. And for a Debian host
> > with the XCP toolstack installed, perhaps we should just call it a
> > Kronos host? I'd like the name Kronos to drop away, but it seems like
> > the easiest way to differentiate the two.
> >
> > Does anyone else have any suggestions?
> >
> XCP is Xen Cloud Platform, which means it provides ready-out-of-box
> system. This includes every piece of current installation, includes
> xs-tools.iso, pre-created iso sr and other stuff. When we talking about
> toolstack it must be toolstack, not the 'platfrorm'. We can note XCP in
> description, but definitively not in name.
> 
> In our internal documentation I usually call all stuff around xapi
> (includes patched LVM, SM and so on) as xapi-toolstack. I think this
> will make very easy to understand model.

+1


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	<4EE08360.5010701@citrix.com> <20111211190619.GR12984@reaktio.net>
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Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP
	1.5	availability]
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On Wed, Dec 14, 2011 at 06:01:17PM +0000, Mike McClurg wrote:
> On 14/12/11 17:32, Alex Perez wrote:
> > I would go a single step further, and suggest that you not use the term
> > "XCP" at all in the context of Kronos. There's already pleeenty of
> > confusion about exactly what is what. Right now, XCP means one thing, and
> > I would implore you to keep it that way.
> 
> One of the biggest effects of this confusion is that people are now
> worried that XCP will become completely unstable, like Fedora versus
> RHEL, and thus won't be suitable for serious enterprise deployments.
> 
> Perhaps just calling it Kronos is a good idea. Though our packaging is
> nearly complete, and they are all prefixed with 'xcp-'... I suppose we
> can leave that as it is, since it is the XCP toolstack we're installing.
> Does anyone else feel this strongly about calling it Kronos, and NOT
> mentioning XCP?
> 

Imho, if possible, the debian/ubuntu package names should be changed,
xcp- in the deb package names will cause a lot of confusion.

xapi- is better, or kronos-, for the deb packages.

I think 'xcp' should be used only for the .iso image appliance..

-- Pasi


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Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP
	1.5	availability]
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On Wed, Dec 14, 2011 at 06:01:17PM +0000, Mike McClurg wrote:
> On 14/12/11 17:32, Alex Perez wrote:
> > I would go a single step further, and suggest that you not use the term
> > "XCP" at all in the context of Kronos. There's already pleeenty of
> > confusion about exactly what is what. Right now, XCP means one thing, and
> > I would implore you to keep it that way.
> 
> One of the biggest effects of this confusion is that people are now
> worried that XCP will become completely unstable, like Fedora versus
> RHEL, and thus won't be suitable for serious enterprise deployments.
> 
> Perhaps just calling it Kronos is a good idea. Though our packaging is
> nearly complete, and they are all prefixed with 'xcp-'... I suppose we
> can leave that as it is, since it is the XCP toolstack we're installing.
> Does anyone else feel this strongly about calling it Kronos, and NOT
> mentioning XCP?
> 

Imho, if possible, the debian/ubuntu package names should be changed,
xcp- in the deb package names will cause a lot of confusion.

xapi- is better, or kronos-, for the deb packages.

I think 'xcp' should be used only for the .iso image appliance..

-- Pasi


_______________________________________________
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Subject: [Xen-API] Xen Hackathon hosted by Oracle Confirmed
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Hi everybody,

I wanted to conform the date and location of the next Xen Hackathon and 
wanted to thank Oracle for hosting the Event.

Date: March 6-8
Location: Oracle campus in Santa Clara, CA, USA (*4030 George Sellon 
Circle, Santa Clara, CA 95054*)

I created a wiki page to help with the planning and preparation 
http://wiki.xen.org/wiki/Hackathon/March2012 - I am just about to go on 
vacation. More detail will follow early in January.

Best Regards
Lars

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    Hi everybody,<br>
    <br>
    I wanted to conform the date and location of the next Xen Hackathon
    and wanted to thank Oracle for hosting the Event.<br>
    <br>
    Date: March 6-8 <br>
    Location: Oracle campus in Santa Clara, CA, USA (<b>4030 George
      Sellon Circle, Santa Clara, CA 95054</b>)<br>
    <br>
    I created a wiki page to help with the planning and preparation
    <a class="moz-txt-link-freetext" href="http://wiki.xen.org/wiki/Hackathon/March2012">http://wiki.xen.org/wiki/Hackathon/March2012</a> - I am just about to go
    on vacation. More detail will follow early in January.<br>
    <br>
    Best Regards<br>
    Lars<br>
  </body>
</html>

--------------050006080906080302060101--


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Hi everybody,

I wanted to conform the date and location of the next Xen Hackathon and 
wanted to thank Oracle for hosting the Event.

Date: March 6-8
Location: Oracle campus in Santa Clara, CA, USA (*4030 George Sellon 
Circle, Santa Clara, CA 95054*)

I created a wiki page to help with the planning and preparation 
http://wiki.xen.org/wiki/Hackathon/March2012 - I am just about to go on 
vacation. More detail will follow early in January.

Best Regards
Lars

--------------050006080906080302060101
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<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    Hi everybody,<br>
    <br>
    I wanted to conform the date and location of the next Xen Hackathon
    and wanted to thank Oracle for hosting the Event.<br>
    <br>
    Date: March 6-8 <br>
    Location: Oracle campus in Santa Clara, CA, USA (<b>4030 George
      Sellon Circle, Santa Clara, CA 95054</b>)<br>
    <br>
    I created a wiki page to help with the planning and preparation
    <a class="moz-txt-link-freetext" href="http://wiki.xen.org/wiki/Hackathon/March2012">http://wiki.xen.org/wiki/Hackathon/March2012</a> - I am just about to go
    on vacation. More detail will follow early in January.<br>
    <br>
    Best Regards<br>
    Lars<br>
  </body>
</html>

--------------050006080906080302060101--


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Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
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On 15/12/11 12:01, Pasi K=E4rkk=E4inen wrote:
> On Wed, Dec 14, 2011 at 06:01:17PM +0000, Mike McClurg wrote:
>> On 14/12/11 17:32, Alex Perez wrote:
>>> I would go a single step further, and suggest that you not use the term
>>> "XCP" at all in the context of Kronos. There's already pleeenty of
>>> confusion about exactly what is what. Right now, XCP means one thing, a=
nd
>>> I would implore you to keep it that way.
>>
>> One of the biggest effects of this confusion is that people are now
>> worried that XCP will become completely unstable, like Fedora versus
>> RHEL, and thus won't be suitable for serious enterprise deployments.
>>
>> Perhaps just calling it Kronos is a good idea. Though our packaging is
>> nearly complete, and they are all prefixed with 'xcp-'... I suppose we
>> can leave that as it is, since it is the XCP toolstack we're installing.
>> Does anyone else feel this strongly about calling it Kronos, and NOT
>> mentioning XCP?
>>
> =

> Imho, if possible, the debian/ubuntu package names should be changed,
> xcp- in the deb package names will cause a lot of confusion.
> =

> xapi- is better, or kronos-, for the deb packages.
> =

> I think 'xcp' should be used only for the .iso image appliance..
> =


So, I hate to use this as an excuse, but there are actually already a
few of our Kronos packages in Debian Sid right now with the name xcp-*.
I actually think this is a good thing, because those packages are
software that came from XCP, so to me it makes sense to call the
packages xcp-blah.

How about this compromise: We call "traditional" XCP, the thing that's
based on CentOS and is delivered as a standalone ISO, the "XCP
Distribution". We can then call the Kronos packages, the set of software
that is installable on Debian and Ubuntu (and hopefully other distros in
the future), the "XCP Toolstack".

I think that this solution will remove some of the confusion about which
thing is which. Will this be an acceptable compromise to everyone?

Mike

_______________________________________________
xen-api mailing list
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http://lists.xensource.com/mailman/listinfo/xen-api

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Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
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On 15/12/11 12:01, Pasi K=E4rkk=E4inen wrote:
> On Wed, Dec 14, 2011 at 06:01:17PM +0000, Mike McClurg wrote:
>> On 14/12/11 17:32, Alex Perez wrote:
>>> I would go a single step further, and suggest that you not use the term
>>> "XCP" at all in the context of Kronos. There's already pleeenty of
>>> confusion about exactly what is what. Right now, XCP means one thing, a=
nd
>>> I would implore you to keep it that way.
>>
>> One of the biggest effects of this confusion is that people are now
>> worried that XCP will become completely unstable, like Fedora versus
>> RHEL, and thus won't be suitable for serious enterprise deployments.
>>
>> Perhaps just calling it Kronos is a good idea. Though our packaging is
>> nearly complete, and they are all prefixed with 'xcp-'... I suppose we
>> can leave that as it is, since it is the XCP toolstack we're installing.
>> Does anyone else feel this strongly about calling it Kronos, and NOT
>> mentioning XCP?
>>
> =

> Imho, if possible, the debian/ubuntu package names should be changed,
> xcp- in the deb package names will cause a lot of confusion.
> =

> xapi- is better, or kronos-, for the deb packages.
> =

> I think 'xcp' should be used only for the .iso image appliance..
> =


So, I hate to use this as an excuse, but there are actually already a
few of our Kronos packages in Debian Sid right now with the name xcp-*.
I actually think this is a good thing, because those packages are
software that came from XCP, so to me it makes sense to call the
packages xcp-blah.

How about this compromise: We call "traditional" XCP, the thing that's
based on CentOS and is delivered as a standalone ISO, the "XCP
Distribution". We can then call the Kronos packages, the set of software
that is installable on Debian and Ubuntu (and hopefully other distros in
the future), the "XCP Toolstack".

I think that this solution will remove some of the confusion about which
thing is which. Will this be an acceptable compromise to everyone?

Mike

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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From: Pankaj Kumar Biswas <pankaj.kumarbiswas@citrix.com>
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Date: Thu, 15 Dec 2011 21:42:52 +0530
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Hi Team,

xe patch-clean  does not remove temporary files under /var/patch on Slave s=
ervers.
The command removes the temporary files properly on a Master server only.
Can we use xe patch-destroy instead of xe-clean. As per my understanding th=
e xe patch-destroy is for unapplied patches.

Is this a feature or a bug?? Is there any api-change related to this functi=
onality over xapi versions??

Scenario: I have a xenserver 5.6fp1 pool with 1 master server and 3 slaves.=
 Applied patches for all servers.



Thanks & Regards,
PANKAJ KUMAR BISWAS

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<html xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-micr=
osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" =
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oft Word 14 (filtered medium)"><style><!--
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	{mso-style-type:personal-compose;
	font-family:"Calibri","sans-serif";
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	{mso-style-type:export-only;
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<o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" />
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<o:shapelayout v:ext=3D"edit">
<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span style=3D'f=
ont-size:12.0pt'>Hi Team,<o:p></o:p></span></p><p class=3DMsoNormal><span s=
tyle=3D'font-size:12.0pt'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal>=
<span style=3D'font-size:12.0pt'>xe patch-clean&nbsp; does not remove tempo=
rary files under /var/patch on Slave servers.<o:p></o:p></span></p><p class=
=3DMsoNormal><span style=3D'font-size:12.0pt'>The command removes the tempo=
rary files properly on a Master server only. <o:p></o:p></span></p><p class=
=3DMsoNormal><span style=3D'font-size:12.0pt'>Can we use xe patch-destroy i=
nstead of xe-clean. As per my understanding the xe patch-destroy is for una=
pplied patches.<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'fo=
nt-size:12.0pt'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span styl=
e=3D'font-size:12.0pt'>Is this a feature or a bug?? Is there any api-change=
 related to this functionality over xapi versions??<o:p></o:p></span></p><p=
 class=3DMsoNormal><span style=3D'font-size:12.0pt'><o:p>&nbsp;</o:p></span=
></p><p class=3DMsoNormal><span style=3D'font-size:12.0pt'>Scenario: I have=
 a xenserver 5.6fp1 pool with 1 master server and 3 slaves. Applied patches=
 for all servers. <o:p></o:p></span></p><p class=3DMsoNormal><span style=3D=
'font-size:12.0pt'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><o:p>&n=
bsp;</o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNorma=
l><b><span style=3D'font-family:"Cambria","serif"'>Thanks &amp; Regards,<o:=
p></o:p></span></b></p><p class=3DMsoNormal><b><span style=3D'font-family:"=
Cambria","serif"'>PANKAJ KUMAR BISWAS<o:p></o:p></span></b></p></div></body=
></html>=

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To: "xen-api@lists.xensource.com" <xen-api@lists.xensource.com>
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Hi Team,

xe patch-clean  does not remove temporary files under /var/patch on Slave s=
ervers.
The command removes the temporary files properly on a Master server only.
Can we use xe patch-destroy instead of xe-clean. As per my understanding th=
e xe patch-destroy is for unapplied patches.

Is this a feature or a bug?? Is there any api-change related to this functi=
onality over xapi versions??

Scenario: I have a xenserver 5.6fp1 pool with 1 master server and 3 slaves.=
 Applied patches for all servers.



Thanks & Regards,
PANKAJ KUMAR BISWAS

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osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" =
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<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span style=3D'f=
ont-size:12.0pt'>Hi Team,<o:p></o:p></span></p><p class=3DMsoNormal><span s=
tyle=3D'font-size:12.0pt'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal>=
<span style=3D'font-size:12.0pt'>xe patch-clean&nbsp; does not remove tempo=
rary files under /var/patch on Slave servers.<o:p></o:p></span></p><p class=
=3DMsoNormal><span style=3D'font-size:12.0pt'>The command removes the tempo=
rary files properly on a Master server only. <o:p></o:p></span></p><p class=
=3DMsoNormal><span style=3D'font-size:12.0pt'>Can we use xe patch-destroy i=
nstead of xe-clean. As per my understanding the xe patch-destroy is for una=
pplied patches.<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'fo=
nt-size:12.0pt'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span styl=
e=3D'font-size:12.0pt'>Is this a feature or a bug?? Is there any api-change=
 related to this functionality over xapi versions??<o:p></o:p></span></p><p=
 class=3DMsoNormal><span style=3D'font-size:12.0pt'><o:p>&nbsp;</o:p></span=
></p><p class=3DMsoNormal><span style=3D'font-size:12.0pt'>Scenario: I have=
 a xenserver 5.6fp1 pool with 1 master server and 3 slaves. Applied patches=
 for all servers. <o:p></o:p></span></p><p class=3DMsoNormal><span style=3D=
'font-size:12.0pt'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><o:p>&n=
bsp;</o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNorma=
l><b><span style=3D'font-family:"Cambria","serif"'>Thanks &amp; Regards,<o:=
p></o:p></span></b></p><p class=3DMsoNormal><b><span style=3D'font-family:"=
Cambria","serif"'>PANKAJ KUMAR BISWAS<o:p></o:p></span></b></p></div></body=
></html>=

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Did someone reorganise the repository?
Could you please announce changes before making them.

Thanks,

Dave

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Did someone reorganise the repository?
Could you please announce changes before making them.

Thanks,

Dave

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Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
	availability]
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On 12/15/11 7:08 AM, Mike McClurg wrote:
> On 15/12/11 12:01, Pasi K=E4rkk=E4inen wrote:
>> On Wed, Dec 14, 2011 at 06:01:17PM +0000, Mike McClurg wrote:
>>> On 14/12/11 17:32, Alex Perez wrote:
>>>> I would go a single step further, and suggest that you not use the term
>>>> "XCP" at all in the context of Kronos. There's already pleeenty of
>>>> confusion about exactly what is what. Right now, XCP means one thing, =
and
>>>> I would implore you to keep it that way.
>>> One of the biggest effects of this confusion is that people are now
>>> worried that XCP will become completely unstable, like Fedora versus
>>> RHEL, and thus won't be suitable for serious enterprise deployments.
>>>
>>> Perhaps just calling it Kronos is a good idea. Though our packaging is
>>> nearly complete, and they are all prefixed with 'xcp-'... I suppose we
>>> can leave that as it is, since it is the XCP toolstack we're installing.
>>> Does anyone else feel this strongly about calling it Kronos, and NOT
>>> mentioning XCP?
>>>
>> Imho, if possible, the debian/ubuntu package names should be changed,
>> xcp- in the deb package names will cause a lot of confusion.
>>
>> xapi- is better, or kronos-, for the deb packages.
>>
>> I think 'xcp' should be used only for the .iso image appliance..
>>
> So, I hate to use this as an excuse, but there are actually already a
> few of our Kronos packages in Debian Sid right now with the name xcp-*.
> I actually think this is a good thing, because those packages are
> software that came from XCP, so to me it makes sense to call the
> packages xcp-blah.
>
> How about this compromise: We call "traditional" XCP, the thing that's
> based on CentOS and is delivered as a standalone ISO, the "XCP
> Distribution". We can then call the Kronos packages, the set of software
> that is installable on Debian and Ubuntu (and hopefully other distros in
> the future), the "XCP Toolstack".
>
> I think that this solution will remove some of the confusion about which
> thing is which. Will this be an acceptable compromise to everyone?
>
> Mike
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api
>
Okay I am pretty good at dumbing things down and being the dumb =

guy(that's a skill, right?).  Obvious this product/discussion isn't for =

"i buy everything at best buy" clientele, but it should be relatively =

easy to understand.

XCP is a platform to present, speed up, standardize and help manage =

XEN-Hypervisor, correct? (no gui, just CLI)

Kronos is a toolstack to do what?  Also help manage the XCP, which is on =

top of Xen-Hypervisor, like XenCenter?  If so, leave it at Kronos =

(personally I know too many apps called Kronos, but i worked I.t. in a =

mortgage company and all those apps had different weird names).  If I am =

right and Kronos is something to help manage Xen Hypervisor (with or =

without XCP?) then I would name it SOMETHING to do with Xen but NOT XCP. =

Maybe XronAPI or something.

If kronos is another layer AFTER XCP(and XCP is required) I would tie it =

to XCP prefix. If XCP is not required, leave XCP alone. I, a =

beginner/getting there XEN Hypervisor user, only used XCP because it was =

the easiest to install and easiest to manage. I really don't like Xen =

Center at all, but everything else was kind of a bust. And I tried and =

searched for probably 20 hours straight.

So my opinion for what it's worth is I WANT A CLEAR DEFINITION OF WHAT =

KRONOS is and how it's different from XCP and what are the benefits to a =

normal admin (not a super high level Linux user).  Does it REQUIRE XCP? =

Sorry I am really trying to just help... sometimes when you are in the =

thick of a project so long you forget just how confusing and deep it is =

to everyone else.

Scott


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On 12/15/11 7:08 AM, Mike McClurg wrote:
> On 15/12/11 12:01, Pasi K=E4rkk=E4inen wrote:
>> On Wed, Dec 14, 2011 at 06:01:17PM +0000, Mike McClurg wrote:
>>> On 14/12/11 17:32, Alex Perez wrote:
>>>> I would go a single step further, and suggest that you not use the term
>>>> "XCP" at all in the context of Kronos. There's already pleeenty of
>>>> confusion about exactly what is what. Right now, XCP means one thing, =
and
>>>> I would implore you to keep it that way.
>>> One of the biggest effects of this confusion is that people are now
>>> worried that XCP will become completely unstable, like Fedora versus
>>> RHEL, and thus won't be suitable for serious enterprise deployments.
>>>
>>> Perhaps just calling it Kronos is a good idea. Though our packaging is
>>> nearly complete, and they are all prefixed with 'xcp-'... I suppose we
>>> can leave that as it is, since it is the XCP toolstack we're installing.
>>> Does anyone else feel this strongly about calling it Kronos, and NOT
>>> mentioning XCP?
>>>
>> Imho, if possible, the debian/ubuntu package names should be changed,
>> xcp- in the deb package names will cause a lot of confusion.
>>
>> xapi- is better, or kronos-, for the deb packages.
>>
>> I think 'xcp' should be used only for the .iso image appliance..
>>
> So, I hate to use this as an excuse, but there are actually already a
> few of our Kronos packages in Debian Sid right now with the name xcp-*.
> I actually think this is a good thing, because those packages are
> software that came from XCP, so to me it makes sense to call the
> packages xcp-blah.
>
> How about this compromise: We call "traditional" XCP, the thing that's
> based on CentOS and is delivered as a standalone ISO, the "XCP
> Distribution". We can then call the Kronos packages, the set of software
> that is installable on Debian and Ubuntu (and hopefully other distros in
> the future), the "XCP Toolstack".
>
> I think that this solution will remove some of the confusion about which
> thing is which. Will this be an acceptable compromise to everyone?
>
> Mike
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api
>
Okay I am pretty good at dumbing things down and being the dumb =

guy(that's a skill, right?).  Obvious this product/discussion isn't for =

"i buy everything at best buy" clientele, but it should be relatively =

easy to understand.

XCP is a platform to present, speed up, standardize and help manage =

XEN-Hypervisor, correct? (no gui, just CLI)

Kronos is a toolstack to do what?  Also help manage the XCP, which is on =

top of Xen-Hypervisor, like XenCenter?  If so, leave it at Kronos =

(personally I know too many apps called Kronos, but i worked I.t. in a =

mortgage company and all those apps had different weird names).  If I am =

right and Kronos is something to help manage Xen Hypervisor (with or =

without XCP?) then I would name it SOMETHING to do with Xen but NOT XCP. =

Maybe XronAPI or something.

If kronos is another layer AFTER XCP(and XCP is required) I would tie it =

to XCP prefix. If XCP is not required, leave XCP alone. I, a =

beginner/getting there XEN Hypervisor user, only used XCP because it was =

the easiest to install and easiest to manage. I really don't like Xen =

Center at all, but everything else was kind of a bust. And I tried and =

searched for probably 20 hours straight.

So my opinion for what it's worth is I WANT A CLEAR DEFINITION OF WHAT =

KRONOS is and how it's different from XCP and what are the benefits to a =

normal admin (not a super high level Linux user).  Does it REQUIRE XCP? =

Sorry I am really trying to just help... sometimes when you are in the =

thick of a project so long you forget just how confusing and deep it is =

to everyone else.

Scott


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From: Pankaj Kumar Biswas <pankaj.kumarbiswas@citrix.com>
To: "xen-api@lists.xensource.com" <xen-api@lists.xensource.com>
Date: Fri, 16 Dec 2011 14:47:31 +0530
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Hi Team,

xe patch-clean  does not remove temporary files under /var/patch on Slave s=
ervers.
The command removes the temporary files properly on a Master server only.
Can we use xe patch-destroy instead of xe-clean. As per my understanding th=
e xe patch-destroy is for unapplied patches.

Is this a feature or a bug?? Is there any api-change related to this functi=
onality over xapi versions??

Scenario: I have a xenserver 5.6fp1 pool with 1 master server and 3 slaves.=
 Applied patches for all servers.



Thanks & Regards,
PANKAJ KUMAR BISWAS

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nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal><span style=3D'font-size:12.0pt'>Hi Team,<o:p></o=
:p></span></p><p class=3DMsoNormal><span style=3D'font-size:12.0pt'><o:p>&n=
bsp;</o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:12.0pt'>=
xe patch-clean&nbsp; does not remove temporary files under /var/patch on Sl=
ave servers.<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'font-=
size:12.0pt'>The command removes the temporary files properly on a Master s=
erver only. <o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'font-=
size:12.0pt'>Can we use xe patch-destroy instead of xe-clean. As per my und=
erstanding the xe patch-destroy is for unapplied patches.<o:p></o:p></span>=
</p><p class=3DMsoNormal><span style=3D'font-size:12.0pt'><o:p>&nbsp;</o:p>=
</span></p><p class=3DMsoNormal><span style=3D'font-size:12.0pt'>Is this a =
feature or a bug?? Is there any api-change related to this functionality ov=
er xapi versions??<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D=
'font-size:12.0pt'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span s=
tyle=3D'font-size:12.0pt'>Scenario: I have a xenserver 5.6fp1 pool with 1 m=
aster server and 3 slaves. Applied patches for all servers. <o:p></o:p></sp=
an></p><p class=3DMsoNormal><span style=3D'font-size:12.0pt'><o:p>&nbsp;</o=
:p></span></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNorma=
l><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><b><span style=3D'font-family:"=
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=3DMsoNormal><b><span style=3D'font-family:"Cambria","serif"'>PANKAJ KUMAR =
BISWAS<o:p></o:p></span></b></p></div></body></html>=

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Hi Team,

xe patch-clean  does not remove temporary files under /var/patch on Slave s=
ervers.
The command removes the temporary files properly on a Master server only.
Can we use xe patch-destroy instead of xe-clean. As per my understanding th=
e xe patch-destroy is for unapplied patches.

Is this a feature or a bug?? Is there any api-change related to this functi=
onality over xapi versions??

Scenario: I have a xenserver 5.6fp1 pool with 1 master server and 3 slaves.=
 Applied patches for all servers.



Thanks & Regards,
PANKAJ KUMAR BISWAS

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></p><p class=3DMsoNormal><span style=3D'font-size:12.0pt'>Hi Team,<o:p></o=
:p></span></p><p class=3DMsoNormal><span style=3D'font-size:12.0pt'><o:p>&n=
bsp;</o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:12.0pt'>=
xe patch-clean&nbsp; does not remove temporary files under /var/patch on Sl=
ave servers.<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'font-=
size:12.0pt'>The command removes the temporary files properly on a Master s=
erver only. <o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'font-=
size:12.0pt'>Can we use xe patch-destroy instead of xe-clean. As per my und=
erstanding the xe patch-destroy is for unapplied patches.<o:p></o:p></span>=
</p><p class=3DMsoNormal><span style=3D'font-size:12.0pt'><o:p>&nbsp;</o:p>=
</span></p><p class=3DMsoNormal><span style=3D'font-size:12.0pt'>Is this a =
feature or a bug?? Is there any api-change related to this functionality ov=
er xapi versions??<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D=
'font-size:12.0pt'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span s=
tyle=3D'font-size:12.0pt'>Scenario: I have a xenserver 5.6fp1 pool with 1 m=
aster server and 3 slaves. Applied patches for all servers. <o:p></o:p></sp=
an></p><p class=3DMsoNormal><span style=3D'font-size:12.0pt'><o:p>&nbsp;</o=
:p></span></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNorma=
l><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><b><span style=3D'font-family:"=
Cambria","serif"'>Thanks &amp; Regards,<o:p></o:p></span></b></p><p class=
=3DMsoNormal><b><span style=3D'font-family:"Cambria","serif"'>PANKAJ KUMAR =
BISWAS<o:p></o:p></span></b></p></div></body></html>=

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Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
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Not exactly.

Kronos is not a product, a toolstack, a piece of software or anything else.
Kronos is just the name of the project to port the xapi toolstack from XCP to other linux distros, starting with Debian.
IMHO the label Kronos does not belong in any package name.

I also think xcp does not belong in package names - too bad about the already released packages.
The way I see it XCP is just a linux distro, based on CentOS, with some unusual default packages installed.
XCP INCLUDES the xapi toolstack but neither one IS the other.
The xcp- prefix on the existing unstable packages does serve to group the related tools together though - so I suppose it adds some value.

The current state of Xen/XenServer/XCP/... is unfortunately alphabet soup. But once you do a little bit of reading to see how it all fits together, it makes enough sense not to change any of it.
A better use of peoples' energy might be to improve the documentation somewhat - particularly in so far as the xapi toolstack (as shipped by the Kronos project) differs from that found in XCP and XenServer.

My $0.05. (inflation)

Dave


On 16/12/2011, at 1:33 PM, Scott Zupek wrote:

> Okay I am pretty good at dumbing things down and being the dumb guy(that's a skill, right?).  Obvious this product/discussion isn't for "i buy everything at best buy" clientele, but it should be relatively easy to understand.
> 
> XCP is a platform to present, speed up, standardize and help manage XEN-Hypervisor, correct? (no gui, just CLI)
> 
> Kronos is a toolstack to do what?  Also help manage the XCP, which is on top of Xen-Hypervisor, like XenCenter?  If so, leave it at Kronos (personally I know too many apps called Kronos, but i worked I.t. in a mortgage company and all those apps had different weird names).  If I am right and Kronos is something to help manage Xen Hypervisor (with or without XCP?) then I would name it SOMETHING to do with Xen but NOT XCP. Maybe XronAPI or something.
> 
> If kronos is another layer AFTER XCP(and XCP is required) I would tie it to XCP prefix. If XCP is not required, leave XCP alone. I, a beginner/getting there XEN Hypervisor user, only used XCP because it was the easiest to install and easiest to manage. I really don't like Xen Center at all, but everything else was kind of a bust. And I tried and searched for probably 20 hours straight.
> 
> So my opinion for what it's worth is I WANT A CLEAR DEFINITION OF WHAT KRONOS is and how it's different from XCP and what are the benefits to a normal admin (not a super high level Linux user).  Does it REQUIRE XCP? Sorry I am really trying to just help... sometimes when you are in the thick of a project so long you forget just how confusing and deep it is to everyone else.
> 
> Scott
> 
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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Not exactly.

Kronos is not a product, a toolstack, a piece of software or anything else.
Kronos is just the name of the project to port the xapi toolstack from XCP to other linux distros, starting with Debian.
IMHO the label Kronos does not belong in any package name.

I also think xcp does not belong in package names - too bad about the already released packages.
The way I see it XCP is just a linux distro, based on CentOS, with some unusual default packages installed.
XCP INCLUDES the xapi toolstack but neither one IS the other.
The xcp- prefix on the existing unstable packages does serve to group the related tools together though - so I suppose it adds some value.

The current state of Xen/XenServer/XCP/... is unfortunately alphabet soup. But once you do a little bit of reading to see how it all fits together, it makes enough sense not to change any of it.
A better use of peoples' energy might be to improve the documentation somewhat - particularly in so far as the xapi toolstack (as shipped by the Kronos project) differs from that found in XCP and XenServer.

My $0.05. (inflation)

Dave


On 16/12/2011, at 1:33 PM, Scott Zupek wrote:

> Okay I am pretty good at dumbing things down and being the dumb guy(that's a skill, right?).  Obvious this product/discussion isn't for "i buy everything at best buy" clientele, but it should be relatively easy to understand.
> 
> XCP is a platform to present, speed up, standardize and help manage XEN-Hypervisor, correct? (no gui, just CLI)
> 
> Kronos is a toolstack to do what?  Also help manage the XCP, which is on top of Xen-Hypervisor, like XenCenter?  If so, leave it at Kronos (personally I know too many apps called Kronos, but i worked I.t. in a mortgage company and all those apps had different weird names).  If I am right and Kronos is something to help manage Xen Hypervisor (with or without XCP?) then I would name it SOMETHING to do with Xen but NOT XCP. Maybe XronAPI or something.
> 
> If kronos is another layer AFTER XCP(and XCP is required) I would tie it to XCP prefix. If XCP is not required, leave XCP alone. I, a beginner/getting there XEN Hypervisor user, only used XCP because it was the easiest to install and easiest to manage. I really don't like Xen Center at all, but everything else was kind of a bust. And I tried and searched for probably 20 hours straight.
> 
> So my opinion for what it's worth is I WANT A CLEAR DEFINITION OF WHAT KRONOS is and how it's different from XCP and what are the benefits to a normal admin (not a super high level Linux user).  Does it REQUIRE XCP? Sorry I am really trying to just help... sometimes when you are in the thick of a project so long you forget just how confusing and deep it is to everyone else.
> 
> Scott
> 
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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> On 12/15/11 7:08 AM, Mike McClurg wrote:
> > On 15/12/11 12:01, Pasi K?rkk?inen wrote:
> >> On Wed, Dec 14, 2011 at 06:01:17PM +0000, Mike McClurg wrote:
> >>> On 14/12/11 17:32, Alex Perez wrote:
> >>>> I would go a single step further, and suggest that you not use the
> >>>> term "XCP" at all in the context of Kronos. There's already
> >>>> pleeenty of confusion about exactly what is what. Right now, XCP
> >>>> means one thing, and I would implore you to keep it that way.
> >>> One of the biggest effects of this confusion is that people are now
> >>> worried that XCP will become completely unstable, like Fedora versus
> >>> RHEL, and thus won't be suitable for serious enterprise deployments.
> >>>
> >>> Perhaps just calling it Kronos is a good idea. Though our packaging
> >>> is nearly complete, and they are all prefixed with 'xcp-'... I
> >>> suppose we can leave that as it is, since it is the XCP toolstack we're
> installing.
> >>> Does anyone else feel this strongly about calling it Kronos, and NOT
> >>> mentioning XCP?
> >>>
> >> Imho, if possible, the debian/ubuntu package names should be changed,
> >> xcp- in the deb package names will cause a lot of confusion.
> >>
> >> xapi- is better, or kronos-, for the deb packages.
> >>
> >> I think 'xcp' should be used only for the .iso image appliance..
> >>
> > So, I hate to use this as an excuse, but there are actually already a
> > few of our Kronos packages in Debian Sid right now with the name xcp-*.
> > I actually think this is a good thing, because those packages are
> > software that came from XCP, so to me it makes sense to call the
> > packages xcp-blah.
> >
> > How about this compromise: We call "traditional" XCP, the thing that's
> > based on CentOS and is delivered as a standalone ISO, the "XCP
> > Distribution". We can then call the Kronos packages, the set of
> > software that is installable on Debian and Ubuntu (and hopefully other
> > distros in the future), the "XCP Toolstack".
> >
> > I think that this solution will remove some of the confusion about
> > which thing is which. Will this be an acceptable compromise to everyone?
> >
> > Mike
> >
> > _______________________________________________
> > xen-api mailing list
> > xen-api@lists.xensource.com
> > http://lists.xensource.com/mailman/listinfo/xen-api
> >
> Okay I am pretty good at dumbing things down and being the dumb
> guy(that's a skill, right?).  Obvious this product/discussion isn't for "i buy
> everything at best buy" clientele, but it should be relatively easy to
> understand.
> 
> XCP is a platform to present, speed up, standardize and help manage XEN-
> Hypervisor, correct? (no gui, just CLI)
> 
> Kronos is a toolstack to do what?  Also help manage the XCP, which is on top
> of Xen-Hypervisor, like XenCenter?  If so, leave it at Kronos (personally I
> know too many apps called Kronos, but i worked I.t. in a mortgage company
> and all those apps had different weird names).  If I am right and Kronos is
> something to help manage Xen Hypervisor (with or without XCP?) then I
> would name it SOMETHING to do with Xen but NOT XCP.
> Maybe XronAPI or something.
> 
> If kronos is another layer AFTER XCP(and XCP is required) I would tie it to XCP
> prefix. If XCP is not required, leave XCP alone. I, a beginner/getting there
> XEN Hypervisor user, only used XCP because it was the easiest to install and
> easiest to manage. I really don't like Xen Center at all, but everything else
> was kind of a bust. And I tried and searched for probably 20 hours straight.
> 
> So my opinion for what it's worth is I WANT A CLEAR DEFINITION OF WHAT
> KRONOS is and how it's different from XCP and what are the benefits to a
> normal admin (not a super high level Linux user).  Does it REQUIRE XCP?
> Sorry I am really trying to just help... sometimes when you are in the thick of
> a project so long you forget just how confusing and deep it is to everyone
> else.

Here's my thinking, based on some discussions I've had with Mike, Jon and a few others.

XCP is a framework to allow you to manage Xen deployments.  You can use it in two different ways:

1) you can install an out-of-the-box server, with an OS, Xen and the XCP tools, using an iso.  This is a distro.
2) you can install the XCP tools (the toolstack) on top of an existing OS and Xen deployment.  This is a toolstack.

Project Kronos is a piece of work to provide the XCP tools in a consistent, packaged way for a known set of Linux distributions (currently Debian and Ubuntu).  It may later include others (CentOS? SuSE? ...).

This seems clear and easy to explain to n00bies (of whom I'm one), and allows us to maintain the separateness of the iso (the distro) and the tools packaging (the toolstack) whilst acknowledging the dependencies.

I'd love to hear others' thoughts.

-Mike.

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> On 12/15/11 7:08 AM, Mike McClurg wrote:
> > On 15/12/11 12:01, Pasi K?rkk?inen wrote:
> >> On Wed, Dec 14, 2011 at 06:01:17PM +0000, Mike McClurg wrote:
> >>> On 14/12/11 17:32, Alex Perez wrote:
> >>>> I would go a single step further, and suggest that you not use the
> >>>> term "XCP" at all in the context of Kronos. There's already
> >>>> pleeenty of confusion about exactly what is what. Right now, XCP
> >>>> means one thing, and I would implore you to keep it that way.
> >>> One of the biggest effects of this confusion is that people are now
> >>> worried that XCP will become completely unstable, like Fedora versus
> >>> RHEL, and thus won't be suitable for serious enterprise deployments.
> >>>
> >>> Perhaps just calling it Kronos is a good idea. Though our packaging
> >>> is nearly complete, and they are all prefixed with 'xcp-'... I
> >>> suppose we can leave that as it is, since it is the XCP toolstack we're
> installing.
> >>> Does anyone else feel this strongly about calling it Kronos, and NOT
> >>> mentioning XCP?
> >>>
> >> Imho, if possible, the debian/ubuntu package names should be changed,
> >> xcp- in the deb package names will cause a lot of confusion.
> >>
> >> xapi- is better, or kronos-, for the deb packages.
> >>
> >> I think 'xcp' should be used only for the .iso image appliance..
> >>
> > So, I hate to use this as an excuse, but there are actually already a
> > few of our Kronos packages in Debian Sid right now with the name xcp-*.
> > I actually think this is a good thing, because those packages are
> > software that came from XCP, so to me it makes sense to call the
> > packages xcp-blah.
> >
> > How about this compromise: We call "traditional" XCP, the thing that's
> > based on CentOS and is delivered as a standalone ISO, the "XCP
> > Distribution". We can then call the Kronos packages, the set of
> > software that is installable on Debian and Ubuntu (and hopefully other
> > distros in the future), the "XCP Toolstack".
> >
> > I think that this solution will remove some of the confusion about
> > which thing is which. Will this be an acceptable compromise to everyone?
> >
> > Mike
> >
> > _______________________________________________
> > xen-api mailing list
> > xen-api@lists.xensource.com
> > http://lists.xensource.com/mailman/listinfo/xen-api
> >
> Okay I am pretty good at dumbing things down and being the dumb
> guy(that's a skill, right?).  Obvious this product/discussion isn't for "i buy
> everything at best buy" clientele, but it should be relatively easy to
> understand.
> 
> XCP is a platform to present, speed up, standardize and help manage XEN-
> Hypervisor, correct? (no gui, just CLI)
> 
> Kronos is a toolstack to do what?  Also help manage the XCP, which is on top
> of Xen-Hypervisor, like XenCenter?  If so, leave it at Kronos (personally I
> know too many apps called Kronos, but i worked I.t. in a mortgage company
> and all those apps had different weird names).  If I am right and Kronos is
> something to help manage Xen Hypervisor (with or without XCP?) then I
> would name it SOMETHING to do with Xen but NOT XCP.
> Maybe XronAPI or something.
> 
> If kronos is another layer AFTER XCP(and XCP is required) I would tie it to XCP
> prefix. If XCP is not required, leave XCP alone. I, a beginner/getting there
> XEN Hypervisor user, only used XCP because it was the easiest to install and
> easiest to manage. I really don't like Xen Center at all, but everything else
> was kind of a bust. And I tried and searched for probably 20 hours straight.
> 
> So my opinion for what it's worth is I WANT A CLEAR DEFINITION OF WHAT
> KRONOS is and how it's different from XCP and what are the benefits to a
> normal admin (not a super high level Linux user).  Does it REQUIRE XCP?
> Sorry I am really trying to just help... sometimes when you are in the thick of
> a project so long you forget just how confusing and deep it is to everyone
> else.

Here's my thinking, based on some discussions I've had with Mike, Jon and a few others.

XCP is a framework to allow you to manage Xen deployments.  You can use it in two different ways:

1) you can install an out-of-the-box server, with an OS, Xen and the XCP tools, using an iso.  This is a distro.
2) you can install the XCP tools (the toolstack) on top of an existing OS and Xen deployment.  This is a toolstack.

Project Kronos is a piece of work to provide the XCP tools in a consistent, packaged way for a known set of Linux distributions (currently Debian and Ubuntu).  It may later include others (CentOS? SuSE? ...).

This seems clear and easy to explain to n00bies (of whom I'm one), and allows us to maintain the separateness of the iso (the distro) and the tools packaging (the toolstack) whilst acknowledging the dependencies.

I'd love to hear others' thoughts.

-Mike.

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From: Jonathan Ludlam <Jonathan.Ludlam@eu.citrix.com>
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It's not been intentionally broken, though I have been fiddling with the jenkins job that creates it. 

In what sense do you think it has been reorganised?

Jon

On 15 Dec 2011, at 22:47, Dave Whitla wrote:

> Did someone reorganise the repository?
> Could you please announce changes before making them.
> 
> Thanks,
> 
> Dave
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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It's not been intentionally broken, though I have been fiddling with the jenkins job that creates it. 

In what sense do you think it has been reorganised?

Jon

On 15 Dec 2011, at 22:47, Dave Whitla wrote:

> Did someone reorganise the repository?
> Could you please announce changes before making them.
> 
> Thanks,
> 
> Dave
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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Hi Team,


While running "xe vbd-unplug" command against VBD which is used by VM, it s=
hould return an error. On XenServer 6.0, when I am doing it, I will get an =
error at 1st time, but when I do it again, it does not return error for 120=
0 seconds (20 minutes). I am getting timeout error after 1200 seconds.





[20111214T00:49:27.381Z|debug|iida-dl018|611167 unix-RPC||cli] Xapi_cli.exc=
eption_handler: Got exception DEVICE_DETACH_REJECTED: [ VBD; OpaqueRef:2d1d=
0de6-be4c-c214-cade-d8e11d0e2365; 16 Device in use; refusing to close ]


Dec 14 09:49:27 iida-dl018 xapi: [error|iida-dl018|611167 unix-RPC|VBD.unpl=
ug R:72e01c62a8be|xapi] Xapi_vbd.destroy_vbd got an error (frontend (domid=
=3D1 | kind=3Dvbd | devid=3D51712); backend (domid=3D0 | kind=3Dvbd | devid=
=3D51712)) 16 Device in use; refusing to close

Dec 14 10:09:42 iida-dl018 xapi: [error|iida-dl018|611175 unix-RPC|VBD.unpl=
ug R:88079c7cb782|xenops] watch: timeout while watching xenstore after 1200=
.000000 seconds



On XenServer 5.6 (Midnight Ride), I do not see this issue. Is there any cha=
nge in the xapi?? What is the possible cause of the failure??

Is any work-around for this ??


Thanks & Regards,
PANKAJ KUMAR BISWAS


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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal>Hi Team,<o:p></o:p></p><p class=3DMsoNormal><o:p>=
&nbsp;</o:p></p><p class=3DMsoPlainText>While running &quot;xe vbd-unplug&q=
uot; command against VBD which is used by VM, it should return an error. On=
 XenServer 6.0, when I am doing it, I will get an error at 1st time, but wh=
en I do it again, it does not return error for 1200 seconds (20 minutes). I=
 am getting timeout error after 1200 seconds.<o:p></o:p></p><p class=3DMsoP=
lainText><o:p>&nbsp;</o:p></p><p class=3DMsoPlainText><o:p>&nbsp;</o:p></p>=
<p class=3DMsoPlainText>[20111214T00:49:27.381Z|debug|iida-dl018|611167 uni=
x-RPC||cli] Xapi_cli.exception_handler: Got exception <b>DEVICE_DETACH_REJE=
CTED</b>: [ VBD; OpaqueRef:2d1d0de6-be4c-c214-cade-d8e11d0e2365; 16 Device =
in use; refusing to close ]<o:p></o:p></p><p class=3DMsoPlainText><o:p>&nbs=
p;</o:p></p><p class=3DMsoNormal>Dec 14 09:49:27 iida-dl018 xapi: [error|ii=
da-dl018|611167 unix-RPC|VBD.unplug R:72e01c62a8be|xapi] Xapi_vbd.destroy_v=
bd got an error (frontend (domid=3D1 | kind=3Dvbd | devid=3D51712); backend=
 (domid=3D0 | kind=3Dvbd | devid=3D51712)) 16 <b>Device in use</b>; <b>refu=
sing to close</b> <o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p>=
<p class=3DMsoNormal>Dec 14 10:09:42 iida-dl018 xapi: [error|iida-dl018|611=
175 unix-RPC|VBD.unplug R:88079c7cb782|xenops] <b>watch: timeout while watc=
hing xenstore after 1200.000000 seconds<o:p></o:p></b></p><p class=3DMsoPla=
inText><o:p>&nbsp;</o:p></p><p class=3DMsoPlainText>On XenServer 5.6 (Midni=
ght Ride), I do not see this issue. Is there any change in the xapi?? What =
is the possible cause of the failure??<o:p></o:p></p><p class=3DMsoPlainTex=
t>Is any work-around for this ??<o:p></o:p></p><p class=3DMsoNormal><o:p>&n=
bsp;</o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNorma=
l><b><span style=3D'font-family:"Cambria","serif"'>Thanks &amp; Regards,<o:=
p></o:p></span></b></p><p class=3DMsoNormal><b><span style=3D'font-family:"=
Cambria","serif"'>PANKAJ KUMAR BISWAS<o:p></o:p></span></b></p><p class=3DM=
soNormal><b><span style=3D'font-family:"Cambria","serif"'><o:p>&nbsp;</o:p>=
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From: Pankaj Kumar Biswas <pankaj.kumarbiswas@citrix.com>
To: "xen-api@lists.xensource.com" <xen-api@lists.xensource.com>
Date: Fri, 16 Dec 2011 16:39:04 +0530
Thread-Topic: Re: xe vbd-unplug timeout error
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Hi Team,


While running "xe vbd-unplug" command against VBD which is used by VM, it s=
hould return an error. On XenServer 6.0, when I am doing it, I will get an =
error at 1st time, but when I do it again, it does not return error for 120=
0 seconds (20 minutes). I am getting timeout error after 1200 seconds.





[20111214T00:49:27.381Z|debug|iida-dl018|611167 unix-RPC||cli] Xapi_cli.exc=
eption_handler: Got exception DEVICE_DETACH_REJECTED: [ VBD; OpaqueRef:2d1d=
0de6-be4c-c214-cade-d8e11d0e2365; 16 Device in use; refusing to close ]


Dec 14 09:49:27 iida-dl018 xapi: [error|iida-dl018|611167 unix-RPC|VBD.unpl=
ug R:72e01c62a8be|xapi] Xapi_vbd.destroy_vbd got an error (frontend (domid=
=3D1 | kind=3Dvbd | devid=3D51712); backend (domid=3D0 | kind=3Dvbd | devid=
=3D51712)) 16 Device in use; refusing to close

Dec 14 10:09:42 iida-dl018 xapi: [error|iida-dl018|611175 unix-RPC|VBD.unpl=
ug R:88079c7cb782|xenops] watch: timeout while watching xenstore after 1200=
.000000 seconds



On XenServer 5.6 (Midnight Ride), I do not see this issue. Is there any cha=
nge in the xapi?? What is the possible cause of the failure??

Is any work-around for this ??


Thanks & Regards,
PANKAJ KUMAR BISWAS


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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal>Hi Team,<o:p></o:p></p><p class=3DMsoNormal><o:p>=
&nbsp;</o:p></p><p class=3DMsoPlainText>While running &quot;xe vbd-unplug&q=
uot; command against VBD which is used by VM, it should return an error. On=
 XenServer 6.0, when I am doing it, I will get an error at 1st time, but wh=
en I do it again, it does not return error for 1200 seconds (20 minutes). I=
 am getting timeout error after 1200 seconds.<o:p></o:p></p><p class=3DMsoP=
lainText><o:p>&nbsp;</o:p></p><p class=3DMsoPlainText><o:p>&nbsp;</o:p></p>=
<p class=3DMsoPlainText>[20111214T00:49:27.381Z|debug|iida-dl018|611167 uni=
x-RPC||cli] Xapi_cli.exception_handler: Got exception <b>DEVICE_DETACH_REJE=
CTED</b>: [ VBD; OpaqueRef:2d1d0de6-be4c-c214-cade-d8e11d0e2365; 16 Device =
in use; refusing to close ]<o:p></o:p></p><p class=3DMsoPlainText><o:p>&nbs=
p;</o:p></p><p class=3DMsoNormal>Dec 14 09:49:27 iida-dl018 xapi: [error|ii=
da-dl018|611167 unix-RPC|VBD.unplug R:72e01c62a8be|xapi] Xapi_vbd.destroy_v=
bd got an error (frontend (domid=3D1 | kind=3Dvbd | devid=3D51712); backend=
 (domid=3D0 | kind=3Dvbd | devid=3D51712)) 16 <b>Device in use</b>; <b>refu=
sing to close</b> <o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p>=
<p class=3DMsoNormal>Dec 14 10:09:42 iida-dl018 xapi: [error|iida-dl018|611=
175 unix-RPC|VBD.unplug R:88079c7cb782|xenops] <b>watch: timeout while watc=
hing xenstore after 1200.000000 seconds<o:p></o:p></b></p><p class=3DMsoPla=
inText><o:p>&nbsp;</o:p></p><p class=3DMsoPlainText>On XenServer 5.6 (Midni=
ght Ride), I do not see this issue. Is there any change in the xapi?? What =
is the possible cause of the failure??<o:p></o:p></p><p class=3DMsoPlainTex=
t>Is any work-around for this ??<o:p></o:p></p><p class=3DMsoNormal><o:p>&n=
bsp;</o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNorma=
l><b><span style=3D'font-family:"Cambria","serif"'>Thanks &amp; Regards,<o:=
p></o:p></span></b></p><p class=3DMsoNormal><b><span style=3D'font-family:"=
Cambria","serif"'>PANKAJ KUMAR BISWAS<o:p></o:p></span></b></p><p class=3DM=
soNormal><b><span style=3D'font-family:"Cambria","serif"'><o:p>&nbsp;</o:p>=
</span></b></p></div></body></html>=

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From: Grant McWilliams <grantmasterflash@gmail.com>
Date: Fri, 16 Dec 2011 06:48:44 -0800
Message-ID: <CAGnmK4yaf4XH2J4V0868ATSB5=-=QrGKUsMNFEB4couqSrMs9w@mail.gmail.com>
To: Wawrzek Niewodniczanski <wawrzek.niewodniczanski@citrix.com>
Cc: xen-api@lists.xensource.com
Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
	availability]
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My  thoughts

Xen Cloud = Cloud built using XAPI and Xen Hypervisor
Xen Cloud Platform = Installable operating system providing Xen Cloud
Xen Cloud packages = Intallable packages to create Xen Cloud on Linux
(project Kronos)
*
*

Grant McWilliams
http://grantmcwilliams.com/

Some people, when confronted with a problem, think "I know, I'll use
Windows."
Now they have two problems.

--f46d0437490b05fcfb04b436b5a7
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<div>My =C2=A0thoughts</div><div><br></div><div>Xen Cloud =3D Cloud built u=
sing XAPI and Xen Hypervisor</div><div>Xen Cloud Platform =3D=C2=A0Installa=
ble=C2=A0operating system providing Xen Cloud</div><div>Xen Cloud packages =
=3D Intallable=C2=A0packages=C2=A0to create Xen Cloud on Linux (project Kro=
nos)</div>

<div><b><br></b></div><br clear=3D"all">Grant McWilliams<br><a href=3D"http=
://grantmcwilliams.com/" target=3D"_blank">http://grantmcwilliams.com/</a><=
br><br>Some people, when confronted with a problem, think &quot;I know, I&#=
39;ll use Windows.&quot; <br>

Now they have two problems.<br><br><br>

--f46d0437490b05fcfb04b436b5a7--


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_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

--===============7625386761231537573==--


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From: Grant McWilliams <grantmasterflash@gmail.com>
Date: Fri, 16 Dec 2011 06:48:44 -0800
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To: Wawrzek Niewodniczanski <wawrzek.niewodniczanski@citrix.com>
Cc: xen-api@lists.xensource.com
Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
	availability]
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My  thoughts

Xen Cloud = Cloud built using XAPI and Xen Hypervisor
Xen Cloud Platform = Installable operating system providing Xen Cloud
Xen Cloud packages = Intallable packages to create Xen Cloud on Linux
(project Kronos)
*
*

Grant McWilliams
http://grantmcwilliams.com/

Some people, when confronted with a problem, think "I know, I'll use
Windows."
Now they have two problems.

--f46d0437490b05fcfb04b436b5a7
Content-Type: text/html; charset=UTF-8
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<div>My =C2=A0thoughts</div><div><br></div><div>Xen Cloud =3D Cloud built u=
sing XAPI and Xen Hypervisor</div><div>Xen Cloud Platform =3D=C2=A0Installa=
ble=C2=A0operating system providing Xen Cloud</div><div>Xen Cloud packages =
=3D Intallable=C2=A0packages=C2=A0to create Xen Cloud on Linux (project Kro=
nos)</div>

<div><b><br></b></div><br clear=3D"all">Grant McWilliams<br><a href=3D"http=
://grantmcwilliams.com/" target=3D"_blank">http://grantmcwilliams.com/</a><=
br><br>Some people, when confronted with a problem, think &quot;I know, I&#=
39;ll use Windows.&quot; <br>

Now they have two problems.<br><br><br>

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From: Todd Deshane <todd.deshane@xen.org>
Date: Fri, 16 Dec 2011 16:06:55 -0500
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Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
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At the end of the day XCP, whether in the form of a pre-packaged
appliance distribution or installed on top of a standard Linux
distribution, is more than just Xen + XAPI. It's Xen + XAPI + xe +
Open vSwitch + (anything else needed to make it a great platform). So,
I tend to agree with Wawrzek in that there should be a meta package (a
package that has nothing in it, but depends on everything that should
be installed) called xcp-full (or xcp-system or whatever we decide).

The compromise that the packages are xcp-*, such as xcp-xapi seems OK,
since that is where they came from, but in the long run we need to
think clearly about version compatibility between xcp-xapi and any
other packaged versions of xapi that are being developed (not to imply
that xapi should be fragmented, see below). We really want to avoid
the XenCenter version mismatch issues in the future, especially when
xapi-based systems are being managed by a lot of different interfaces
OpenXenManager, OpenStack, Cloudstack, Zentific, to name a few.

Project Kronos (and that is all it should be - a project code name),
represents a great opportunity for the Xen community and I know that a
lot of people are excited about its future. There are some open
questions, but I think it is likely they will just work themselves out
just like any other open source project.

I think the use cases for xcp-full installed on a Xen dom0 via a
package install on a normal Linux distribution are clear and the
trade-offs have been discussed in some detail [1][2]. The great thing
about having the multiple different choices is one of the really great
thing about Xen. It is also perfectly reasonable for someone to build
an XCP distribution appliance based on Ubuntu or Debian or any other
distro (Citrix may even decide to use a different distro for the basis
of XenServer).

In practice, the xapi package should be the most cutting-edge version
of the API available, followed by xcp-xapi, which in practice will be
(at least currently is) the same as the XAPI version in XenServer.
Cutting-edge does not need to mean unstable, in fact I think it is
understood that regular stable versions of xapi will be available and
get integrated into XCP/XAPI-based distributions (like XCP and
XenServer) as the maintainers of those projects/products see fit.

As long as xapi remains unified, there is no fragmentation. When
working with a custom XCP, XCP itself, or XenServer the question will
be what version of XAPI is available? This will determine the feature
set available underneath. This is the way management tools like
XenCenter, CloudStack etc. *should* work. We need to move away from
relying on a specific version of XCP, XenServer, etc. and instead rely
on specific feature sets or versions of xapi itself.

I propose that at some point over the course of this year (after an
official release of Project Kronos is out the door) that we have a
XAPI/XCP hackathon. We can invite XAPI/XCP devs to it and also have a
devops-based track that proposes projects based on custom XCP(-full)
setups that may or may not need explicit help from XAPI itself. I
invite you to start brainstorming ideas, but while you do that check
out the great material that came out of the Xen Day [3] last week.
This material will inspire you to want to hack on xapi, or write
scripts for it, or create your own HA/FT solution based on DRDB and
pacemaker.

The momentum around XAPI/XCP is ours to take into the future of the
data center and the cloud. Go forth and use XCP or xcp-xapi, or choose
to get support from a vendor like Citrix and run XenServer.

...What are you going to build today?

[1] http://www.slideshare.net/deshantm/project-kronos-openstackdesignsummit
[2] http://www.slideshare.net/deshantm/why-choose-xen-for-your-cloud
[3] http://xen.org/community/xenday11.html

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From: Todd Deshane <todd.deshane@xen.org>
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At the end of the day XCP, whether in the form of a pre-packaged
appliance distribution or installed on top of a standard Linux
distribution, is more than just Xen + XAPI. It's Xen + XAPI + xe +
Open vSwitch + (anything else needed to make it a great platform). So,
I tend to agree with Wawrzek in that there should be a meta package (a
package that has nothing in it, but depends on everything that should
be installed) called xcp-full (or xcp-system or whatever we decide).

The compromise that the packages are xcp-*, such as xcp-xapi seems OK,
since that is where they came from, but in the long run we need to
think clearly about version compatibility between xcp-xapi and any
other packaged versions of xapi that are being developed (not to imply
that xapi should be fragmented, see below). We really want to avoid
the XenCenter version mismatch issues in the future, especially when
xapi-based systems are being managed by a lot of different interfaces
OpenXenManager, OpenStack, Cloudstack, Zentific, to name a few.

Project Kronos (and that is all it should be - a project code name),
represents a great opportunity for the Xen community and I know that a
lot of people are excited about its future. There are some open
questions, but I think it is likely they will just work themselves out
just like any other open source project.

I think the use cases for xcp-full installed on a Xen dom0 via a
package install on a normal Linux distribution are clear and the
trade-offs have been discussed in some detail [1][2]. The great thing
about having the multiple different choices is one of the really great
thing about Xen. It is also perfectly reasonable for someone to build
an XCP distribution appliance based on Ubuntu or Debian or any other
distro (Citrix may even decide to use a different distro for the basis
of XenServer).

In practice, the xapi package should be the most cutting-edge version
of the API available, followed by xcp-xapi, which in practice will be
(at least currently is) the same as the XAPI version in XenServer.
Cutting-edge does not need to mean unstable, in fact I think it is
understood that regular stable versions of xapi will be available and
get integrated into XCP/XAPI-based distributions (like XCP and
XenServer) as the maintainers of those projects/products see fit.

As long as xapi remains unified, there is no fragmentation. When
working with a custom XCP, XCP itself, or XenServer the question will
be what version of XAPI is available? This will determine the feature
set available underneath. This is the way management tools like
XenCenter, CloudStack etc. *should* work. We need to move away from
relying on a specific version of XCP, XenServer, etc. and instead rely
on specific feature sets or versions of xapi itself.

I propose that at some point over the course of this year (after an
official release of Project Kronos is out the door) that we have a
XAPI/XCP hackathon. We can invite XAPI/XCP devs to it and also have a
devops-based track that proposes projects based on custom XCP(-full)
setups that may or may not need explicit help from XAPI itself. I
invite you to start brainstorming ideas, but while you do that check
out the great material that came out of the Xen Day [3] last week.
This material will inspire you to want to hack on xapi, or write
scripts for it, or create your own HA/FT solution based on DRDB and
pacemaker.

The momentum around XAPI/XCP is ours to take into the future of the
data center and the cloud. Go forth and use XCP or xcp-xapi, or choose
to get support from a vendor like Citrix and run XenServer.

...What are you going to build today?

[1] http://www.slideshare.net/deshantm/project-kronos-openstackdesignsummit
[2] http://www.slideshare.net/deshantm/why-choose-xen-for-your-cloud
[3] http://xen.org/community/xenday11.html

_______________________________________________
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http://lists.xensource.com/mailman/listinfo/xen-api

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Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
	availability]
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On 12/16/11 3:06 PM, Todd Deshane wrote:
> At the end of the day XCP, whether in the form of a pre-packaged
> appliance distribution or installed on top of a standard Linux
> distribution, is more than just Xen + XAPI. It's Xen + XAPI + xe +
> Open vSwitch + (anything else needed to make it a great platform). So,
> I tend to agree with Wawrzek in that there should be a meta package (a
> package that has nothing in it, but depends on everything that should
> be installed) called xcp-full (or xcp-system or whatever we decide).
>
> The compromise that the packages are xcp-*, such as xcp-xapi seems OK,
> since that is where they came from, but in the long run we need to
> think clearly about version compatibility between xcp-xapi and any
> other packaged versions of xapi that are being developed (not to imply
> that xapi should be fragmented, see below). We really want to avoid
> the XenCenter version mismatch issues in the future, especially when
> xapi-based systems are being managed by a lot of different interfaces
> OpenXenManager, OpenStack, Cloudstack, Zentific, to name a few.
>
> Project Kronos (and that is all it should be - a project code name),
> represents a great opportunity for the Xen community and I know that a
> lot of people are excited about its future. There are some open
> questions, but I think it is likely they will just work themselves out
> just like any other open source project.
>
> I think the use cases for xcp-full installed on a Xen dom0 via a
> package install on a normal Linux distribution are clear and the
> trade-offs have been discussed in some detail [1][2]. The great thing
> about having the multiple different choices is one of the really great
> thing about Xen. It is also perfectly reasonable for someone to build
> an XCP distribution appliance based on Ubuntu or Debian or any other
> distro (Citrix may even decide to use a different distro for the basis
> of XenServer).
>
> In practice, the xapi package should be the most cutting-edge version
> of the API available, followed by xcp-xapi, which in practice will be
> (at least currently is) the same as the XAPI version in XenServer.
> Cutting-edge does not need to mean unstable, in fact I think it is
> understood that regular stable versions of xapi will be available and
> get integrated into XCP/XAPI-based distributions (like XCP and
> XenServer) as the maintainers of those projects/products see fit.
>
> As long as xapi remains unified, there is no fragmentation. When
> working with a custom XCP, XCP itself, or XenServer the question will
> be what version of XAPI is available? This will determine the feature
> set available underneath. This is the way management tools like
> XenCenter, CloudStack etc. *should* work. We need to move away from
> relying on a specific version of XCP, XenServer, etc. and instead rely
> on specific feature sets or versions of xapi itself.
>
> I propose that at some point over the course of this year (after an
> official release of Project Kronos is out the door) that we have a
> XAPI/XCP hackathon. We can invite XAPI/XCP devs to it and also have a
> devops-based track that proposes projects based on custom XCP(-full)
> setups that may or may not need explicit help from XAPI itself. I
> invite you to start brainstorming ideas, but while you do that check
> out the great material that came out of the Xen Day [3] last week.
> This material will inspire you to want to hack on xapi, or write
> scripts for it, or create your own HA/FT solution based on DRDB and
> pacemaker.
>
> The momentum around XAPI/XCP is ours to take into the future of the
> data center and the cloud. Go forth and use XCP or xcp-xapi, or choose
> to get support from a vendor like Citrix and run XenServer.
>
> ...What are you going to build today?
>
> [1] http://www.slideshare.net/deshantm/project-kronos-openstackdesignsummit
> [2] http://www.slideshare.net/deshantm/why-choose-xen-for-your-cloud
> [3] http://xen.org/community/xenday11.html
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api
>

This article is brings up a good point about XEN and the 
writers/professionals believed view of it being gone in 10 years.

http://www.networkworld.com/news/2011/121311-hypervisor-roundtable-253986.html


_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
	availability]
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On 12/16/11 3:06 PM, Todd Deshane wrote:
> At the end of the day XCP, whether in the form of a pre-packaged
> appliance distribution or installed on top of a standard Linux
> distribution, is more than just Xen + XAPI. It's Xen + XAPI + xe +
> Open vSwitch + (anything else needed to make it a great platform). So,
> I tend to agree with Wawrzek in that there should be a meta package (a
> package that has nothing in it, but depends on everything that should
> be installed) called xcp-full (or xcp-system or whatever we decide).
>
> The compromise that the packages are xcp-*, such as xcp-xapi seems OK,
> since that is where they came from, but in the long run we need to
> think clearly about version compatibility between xcp-xapi and any
> other packaged versions of xapi that are being developed (not to imply
> that xapi should be fragmented, see below). We really want to avoid
> the XenCenter version mismatch issues in the future, especially when
> xapi-based systems are being managed by a lot of different interfaces
> OpenXenManager, OpenStack, Cloudstack, Zentific, to name a few.
>
> Project Kronos (and that is all it should be - a project code name),
> represents a great opportunity for the Xen community and I know that a
> lot of people are excited about its future. There are some open
> questions, but I think it is likely they will just work themselves out
> just like any other open source project.
>
> I think the use cases for xcp-full installed on a Xen dom0 via a
> package install on a normal Linux distribution are clear and the
> trade-offs have been discussed in some detail [1][2]. The great thing
> about having the multiple different choices is one of the really great
> thing about Xen. It is also perfectly reasonable for someone to build
> an XCP distribution appliance based on Ubuntu or Debian or any other
> distro (Citrix may even decide to use a different distro for the basis
> of XenServer).
>
> In practice, the xapi package should be the most cutting-edge version
> of the API available, followed by xcp-xapi, which in practice will be
> (at least currently is) the same as the XAPI version in XenServer.
> Cutting-edge does not need to mean unstable, in fact I think it is
> understood that regular stable versions of xapi will be available and
> get integrated into XCP/XAPI-based distributions (like XCP and
> XenServer) as the maintainers of those projects/products see fit.
>
> As long as xapi remains unified, there is no fragmentation. When
> working with a custom XCP, XCP itself, or XenServer the question will
> be what version of XAPI is available? This will determine the feature
> set available underneath. This is the way management tools like
> XenCenter, CloudStack etc. *should* work. We need to move away from
> relying on a specific version of XCP, XenServer, etc. and instead rely
> on specific feature sets or versions of xapi itself.
>
> I propose that at some point over the course of this year (after an
> official release of Project Kronos is out the door) that we have a
> XAPI/XCP hackathon. We can invite XAPI/XCP devs to it and also have a
> devops-based track that proposes projects based on custom XCP(-full)
> setups that may or may not need explicit help from XAPI itself. I
> invite you to start brainstorming ideas, but while you do that check
> out the great material that came out of the Xen Day [3] last week.
> This material will inspire you to want to hack on xapi, or write
> scripts for it, or create your own HA/FT solution based on DRDB and
> pacemaker.
>
> The momentum around XAPI/XCP is ours to take into the future of the
> data center and the cloud. Go forth and use XCP or xcp-xapi, or choose
> to get support from a vendor like Citrix and run XenServer.
>
> ...What are you going to build today?
>
> [1] http://www.slideshare.net/deshantm/project-kronos-openstackdesignsummit
> [2] http://www.slideshare.net/deshantm/why-choose-xen-for-your-cloud
> [3] http://xen.org/community/xenday11.html
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api
>

This article is brings up a good point about XEN and the 
writers/professionals believed view of it being gone in 10 years.

http://www.networkworld.com/news/2011/121311-hypervisor-roundtable-253986.html


_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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From: Grant McWilliams <grantmasterflash@gmail.com>
Date: Sat, 17 Dec 2011 00:11:32 -0800
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To: Scott Zupek <scottz@wi.rr.com>
Cc: xen-api@lists.xensource.com
Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
	availability]
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>
>
> This article is brings up a good point about XEN and the
> writers/professionals believed view of it being gone in 10 years.
>
> http://www.networkworld.com/**news/2011/121311-hypervisor-**
> roundtable-253986.html<http://www.networkworld.com/news/2011/121311-hypervisor-roundtable-253986.html>
>
>
>
>
Do people even care about the Hypervisor anymore? As Linus once said about
the kernel "Some day people will realize the kernel doesn't matter
anymore". May not be a direct quote.

I think most of the top Hypervisors are equally capable and it's the
management stacks around them that's truly important. In 10 years all of
the current hypervisors may be gone. Who knows.


Grant McWilliams
http://grantmcwilliams.com/

Some people, when confronted with a problem, think "I know, I'll use
Windows."
Now they have two problems.

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Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margi=
n:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class=
=3D"h5"><br></div></div>
This article is brings up a good point about XEN and the writers/profession=
als believed view of it being gone in 10 years.<br>
<br>
<a href=3D"http://www.networkworld.com/news/2011/121311-hypervisor-roundtab=
le-253986.html" target=3D"_blank">http://www.networkworld.com/<u></u>news/2=
011/121311-hypervisor-<u></u>roundtable-253986.html</a><div><div></div><div=
 class=3D"h5">

<br>
<br><br></div></div></blockquote><div><br></div><div>Do people even care ab=
out the Hypervisor anymore? As Linus once said about the kernel &quot;Some =
day people will realize the kernel doesn&#39;t matter anymore&quot;. May no=
t be a direct quote.=C2=A0</div>

<div><br></div><div>I think most of the top Hypervisors are equally capable=
 and it&#39;s the management stacks around them that&#39;s truly important.=
 In 10 years all of the current hypervisors may be gone. Who knows.</div>

<div><br></div><br clear=3D"all">Grant McWilliams<br><a href=3D"http://gran=
tmcwilliams.com/" target=3D"_blank">http://grantmcwilliams.com/</a><br><br>=
Some people, when confronted with a problem, think &quot;I know, I&#39;ll u=
se Windows.&quot;=C2=A0<br>

<div>Now they have two problems.=C2=A0</div></div>

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To: Scott Zupek <scottz@wi.rr.com>
Cc: xen-api@lists.xensource.com
Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
	availability]
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>
>
> This article is brings up a good point about XEN and the
> writers/professionals believed view of it being gone in 10 years.
>
> http://www.networkworld.com/**news/2011/121311-hypervisor-**
> roundtable-253986.html<http://www.networkworld.com/news/2011/121311-hypervisor-roundtable-253986.html>
>
>
>
>
Do people even care about the Hypervisor anymore? As Linus once said about
the kernel "Some day people will realize the kernel doesn't matter
anymore". May not be a direct quote.

I think most of the top Hypervisors are equally capable and it's the
management stacks around them that's truly important. In 10 years all of
the current hypervisors may be gone. Who knows.


Grant McWilliams
http://grantmcwilliams.com/

Some people, when confronted with a problem, think "I know, I'll use
Windows."
Now they have two problems.

--f46d042d05a05e213b04b4454683
Content-Type: text/html; charset=UTF-8
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<div class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margi=
n:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class=
=3D"h5"><br></div></div>
This article is brings up a good point about XEN and the writers/profession=
als believed view of it being gone in 10 years.<br>
<br>
<a href=3D"http://www.networkworld.com/news/2011/121311-hypervisor-roundtab=
le-253986.html" target=3D"_blank">http://www.networkworld.com/<u></u>news/2=
011/121311-hypervisor-<u></u>roundtable-253986.html</a><div><div></div><div=
 class=3D"h5">

<br>
<br><br></div></div></blockquote><div><br></div><div>Do people even care ab=
out the Hypervisor anymore? As Linus once said about the kernel &quot;Some =
day people will realize the kernel doesn&#39;t matter anymore&quot;. May no=
t be a direct quote.=C2=A0</div>

<div><br></div><div>I think most of the top Hypervisors are equally capable=
 and it&#39;s the management stacks around them that&#39;s truly important.=
 In 10 years all of the current hypervisors may be gone. Who knows.</div>

<div><br></div><br clear=3D"all">Grant McWilliams<br><a href=3D"http://gran=
tmcwilliams.com/" target=3D"_blank">http://grantmcwilliams.com/</a><br><br>=
Some people, when confronted with a problem, think &quot;I know, I&#39;ll u=
se Windows.&quot;=C2=A0<br>

<div>Now they have two problems.=C2=A0</div></div>

--f46d042d05a05e213b04b4454683--


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_______________________________________________
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On Fri, Dec 16, 2011 at 03:38:32PM -0800, xen-devel.GarveyPatrickD@OrdinaryAmerican.net wrote:
> It appears the OCaml Tutorial < www.ocaml-tutorial.org > referenced in
> our XAPI Developer Guide wiki article <
> http://wiki.xen.org/wiki/XAPI_Developer_Guide > is not reliably
> accessible.  Can one of our experienced OCaml programmers suggest an
> alternative that provides a sufficient tutorial for Xen users of
> OCaml?  Is < http://mirror.ocamlcore.org/ocaml-tutorial.org/ >
> sufficient?
> 

I added xen-api mailinglist to the CC list..

-- Pasi


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On Fri, Dec 16, 2011 at 03:38:32PM -0800, xen-devel.GarveyPatrickD@OrdinaryAmerican.net wrote:
> It appears the OCaml Tutorial < www.ocaml-tutorial.org > referenced in
> our XAPI Developer Guide wiki article <
> http://wiki.xen.org/wiki/XAPI_Developer_Guide > is not reliably
> accessible.  Can one of our experienced OCaml programmers suggest an
> alternative that provides a sufficient tutorial for Xen users of
> OCaml?  Is < http://mirror.ocamlcore.org/ocaml-tutorial.org/ >
> sufficient?
> 

I added xen-api mailinglist to the CC list..

-- Pasi


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It was a minor inconvenience - the path to the Debian repository root changed without warning.
Not generally a big deal. But it makes it hard to secure management support for the adoption of a project when you're demonstrating installation to a stakeholder and everything fails embarrassingly due to unannounced changes to released artefacts.


On 16/12/2011, at 8:34 PM, Jonathan Ludlam wrote:

> It's not been intentionally broken, though I have been fiddling with the jenkins job that creates it. 
> 
> In what sense do you think it has been reorganised?
> 
> Jon
> 
> On 15 Dec 2011, at 22:47, Dave Whitla wrote:
> 
>> Did someone reorganise the repository?
>> Could you please announce changes before making them.
>> 
>> Thanks,
>> 
>> Dave
>> 
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api
> 


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It was a minor inconvenience - the path to the Debian repository root changed without warning.
Not generally a big deal. But it makes it hard to secure management support for the adoption of a project when you're demonstrating installation to a stakeholder and everything fails embarrassingly due to unannounced changes to released artefacts.


On 16/12/2011, at 8:34 PM, Jonathan Ludlam wrote:

> It's not been intentionally broken, though I have been fiddling with the jenkins job that creates it. 
> 
> In what sense do you think it has been reorganised?
> 
> Jon
> 
> On 15 Dec 2011, at 22:47, Dave Whitla wrote:
> 
>> Did someone reorganise the repository?
>> Could you please announce changes before making them.
>> 
>> Thanks,
>> 
>> Dave
>> 
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api
> 


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Most telling was Al Gillen's complete misunderstanding of the difference between the Xen packages such as the hypervisor itself and the canned distros which bundle the Xen hypervisor.
He cited fragmentation in the codebase being a maintenance impediment to Xen.
Because analysts don't actually know anything about the implementation of things they make completely erroneous and misleading public statements.
But, to cover their arses, they pick ludicrously long prediction timeframes. Ten years in IT is an eon.

Dave

On 17/12/2011, at 3:34 PM, Scott Zupek wrote:

> 
> This article is brings up a good point about XEN and the writers/professionals believed view of it being gone in 10 years.
> 
> http://www.networkworld.com/news/2011/121311-hypervisor-roundtable-253986.html
> 


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Most telling was Al Gillen's complete misunderstanding of the difference between the Xen packages such as the hypervisor itself and the canned distros which bundle the Xen hypervisor.
He cited fragmentation in the codebase being a maintenance impediment to Xen.
Because analysts don't actually know anything about the implementation of things they make completely erroneous and misleading public statements.
But, to cover their arses, they pick ludicrously long prediction timeframes. Ten years in IT is an eon.

Dave

On 17/12/2011, at 3:34 PM, Scott Zupek wrote:

> 
> This article is brings up a good point about XEN and the writers/professionals believed view of it being gone in 10 years.
> 
> http://www.networkworld.com/news/2011/121311-hypervisor-roundtable-253986.html
> 


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Subject: [Xen-API] kronos - xe template-list empty / default-sr
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Hi guys,

So i installed "kronos" on Ubuntu 11.10 (Really Linux Mint 12.0)
following the guide and using the ubuntu repos


deb http://ppa.launchpad.net/ubuntu-xen-org/xcp-unstable/ubuntu oneiric main
deb-src http://ppa.launchpad.net/ubuntu-xen-org/xcp-unstable/ubuntu oneiric main

as written, ive gotten all the packages installed and successfully
configured and rebooted
all appears good, though trying to create an instance from a template

xe template-list appears empty like there are no templates

i did an apt-cache search xcp
and found some xcp packages

so then...

apt-get install xcp-guest-templates xcp-vncterm xcp-storage-managers
Reading package lists... Done
Building dependency tree
Reading state information... Done
xcp-guest-templates is already the newest version.
xcp-guest-templates set to manually installed.
xcp-vncterm is already the newest version.
xcp-vncterm set to manually installed.
xcp-storage-managers is already the newest version.
xcp-storage-managers set to manually installed.

any ideas.....

secondly i have an lvm on /dev/mapper/test-builder on /usr/builder
type xfs (rw,nosuid)

can i use it for the default sr , and if so how to map it

_______________________________________________
xen-api mailing list
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Hi guys,

So i installed "kronos" on Ubuntu 11.10 (Really Linux Mint 12.0)
following the guide and using the ubuntu repos


deb http://ppa.launchpad.net/ubuntu-xen-org/xcp-unstable/ubuntu oneiric main
deb-src http://ppa.launchpad.net/ubuntu-xen-org/xcp-unstable/ubuntu oneiric main

as written, ive gotten all the packages installed and successfully
configured and rebooted
all appears good, though trying to create an instance from a template

xe template-list appears empty like there are no templates

i did an apt-cache search xcp
and found some xcp packages

so then...

apt-get install xcp-guest-templates xcp-vncterm xcp-storage-managers
Reading package lists... Done
Building dependency tree
Reading state information... Done
xcp-guest-templates is already the newest version.
xcp-guest-templates set to manually installed.
xcp-vncterm is already the newest version.
xcp-vncterm set to manually installed.
xcp-storage-managers is already the newest version.
xcp-storage-managers set to manually installed.

any ideas.....

secondly i have an lvm on /dev/mapper/test-builder on /usr/builder
type xfs (rw,nosuid)

can i use it for the default sr , and if so how to map it

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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Subject: Re: [Xen-API] [Xen-devel] CrossPoolMigration
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On Sun, Dec 18, 2011 at 09:46:10PM -0500, ruijin zhou wrote:
> Hi, Guys,
> 

Hello,

> I recently found the following links about cross-pool migration:
> 
> http://wiki.xen.org/wiki/CrossPoolMigration
> 
> http://wiki.xen.org/wiki/CrossPoolMigrationv2
> 
> I am interested in the research topic of live storage migration. And, I want to build something on Xen. 
> 
> However, in recent Xen release I cannot find any code about live storage Migration. I found the above links, which have a 'to do list'. It seems that it just started.
> 
> Does anyone know when will we have the code for storage migration?
> 
> Thank you very much.
> 

I added xen-api mailinglist to CC ..

-- Pasi


_______________________________________________
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On Sun, Dec 18, 2011 at 09:46:10PM -0500, ruijin zhou wrote:
> Hi, Guys,
> 

Hello,

> I recently found the following links about cross-pool migration:
> 
> http://wiki.xen.org/wiki/CrossPoolMigration
> 
> http://wiki.xen.org/wiki/CrossPoolMigrationv2
> 
> I am interested in the research topic of live storage migration. And, I want to build something on Xen. 
> 
> However, in recent Xen release I cannot find any code about live storage Migration. I found the above links, which have a 'to do list'. It seems that it just started.
> 
> Does anyone know when will we have the code for storage migration?
> 
> Thank you very much.
> 

I added xen-api mailinglist to CC ..

-- Pasi


_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

From xen-api-bounces@lists.xensource.com Mon Dec 19 09:16:45 2011
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Subject: [Xen-API] [BUG?] vhd-parent missing after snapshot removal
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Good day.

Found strange behavior (bug?) in xapi: it removes vhd-parent from 
sm-config of VDI after removing most recent snapshot.

How to reproduce:

VDI=`xe vdi-create ....`
SN1=`xe vdi-snapshot uuid=$VDI`
(perform some write operations on VDI to  force creation of second base 
copy)
SN2=`xe vdi-snapshot uuid=$VDI`
xe vdi-destroy uuid=$SN2
xe vdi-list uuid=$VDI params=sm-config

Expected:
sm-config vhd-parent: uuid_of_corresponding_base_copy

Got:
sm-config contains no vhd-parent.

Why this important? vhd-parent links alllows to calculate sizes of all 
VHD's, related to snapshot/clone tree. Without vhd-parent we need to 
rely on snapshort-of and snapshots fields, which are not really reliable 
(vdi-clone break the chain).

This bug does not affects snapshot functionality, AFAIK real VDI chain 
is reconstructed from internal headers of VDI, but affects software 
using XenAPI.

Thanks.

_______________________________________________
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Good day.

Found strange behavior (bug?) in xapi: it removes vhd-parent from 
sm-config of VDI after removing most recent snapshot.

How to reproduce:

VDI=`xe vdi-create ....`
SN1=`xe vdi-snapshot uuid=$VDI`
(perform some write operations on VDI to  force creation of second base 
copy)
SN2=`xe vdi-snapshot uuid=$VDI`
xe vdi-destroy uuid=$SN2
xe vdi-list uuid=$VDI params=sm-config

Expected:
sm-config vhd-parent: uuid_of_corresponding_base_copy

Got:
sm-config contains no vhd-parent.

Why this important? vhd-parent links alllows to calculate sizes of all 
VHD's, related to snapshot/clone tree. Without vhd-parent we need to 
rely on snapshort-of and snapshots fields, which are not really reliable 
(vdi-clone break the chain).

This bug does not affects snapshot functionality, AFAIK real VDI chain 
is reconstructed from internal headers of VDI, but affects software 
using XenAPI.

Thanks.

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

From xen-api-bounces@lists.xensource.com Mon Dec 19 11:26:37 2011
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Subject: [Xen-API] [XCP-1.1] pygrub solaris support, bad cmdline
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I've hardcoded the menu.lst entries, but it seems that pygrub boots the wrong 
kernel. Any ideas what's going on?

kernel$ /platform/i86xpv/kernel/amd64/unix -B $ZFS-BOOTFS
module$ /platform/i86pc/amd64/boot_archive

domain-builder: xc_dom_allocate: cmdline="/platform/i86xpv/kernel/unix -B zfs-
bootfs=syspool/37,bootpath='/xpvd/xdf@51728:a'", features=""

This is a NexentaStor installation.
There's no XCP error, no console output, nothing, except  
pop(domU_internal_shutdown) = VM (domid 28) @releaseDomain

Thanks
Christian

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Subject: [Xen-API] [XCP-1.1] pygrub solaris support, bad cmdline
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I've hardcoded the menu.lst entries, but it seems that pygrub boots the wrong 
kernel. Any ideas what's going on?

kernel$ /platform/i86xpv/kernel/amd64/unix -B $ZFS-BOOTFS
module$ /platform/i86pc/amd64/boot_archive

domain-builder: xc_dom_allocate: cmdline="/platform/i86xpv/kernel/unix -B zfs-
bootfs=syspool/37,bootpath='/xpvd/xdf@51728:a'", features=""

This is a NexentaStor installation.
There's no XCP error, no console output, nothing, except  
pop(domU_internal_shutdown) = VM (domid 28) @releaseDomain

Thanks
Christian

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Subject: [Xen-API]  [XCP] Create your own logical volume lvmiscsi SR
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Hello,

it is possible to create custom logical volume (with lvcreate) on SR =

lvmoiscsi inaccessible from XCP?

Thank you.
-- =

S pozdravem

Jan Martin=F9
VSHosting s.r.o.
Telefon: 246 035 835
Email: martinu@vshosting.cz
www.vshosting.cz

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Hello,

it is possible to create custom logical volume (with lvcreate) on SR =

lvmoiscsi inaccessible from XCP?

Thank you.
-- =

S pozdravem

Jan Martin=F9
VSHosting s.r.o.
Telefon: 246 035 835
Email: martinu@vshosting.cz
www.vshosting.cz

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Subject: [Xen-API] Kronos Build Server
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Mike,

Is the build server publicly accessible? I'd like to see the commit logs for a new build before I install it if possible.
Also could you please tell me the URL for the Git master for the Kronos package sources?

Thanks,

Dave
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Mike,

Is the build server publicly accessible? I'd like to see the commit logs for a new build before I install it if possible.
Also could you please tell me the URL for the Git master for the Kronos package sources?

Thanks,

Dave
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Subject: [Xen-API] Kronos: bonded interfaces
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After much pain I managed to get a bonded management interface on my pool master.
I then, following the advice of the XenServer 6.0 Administrator's Guide, configured the bonded interface for VM traffic before adding any pool slaves.
I then cleanly installed two machines (Debian Wheezy + Open vSwitch + xcp packages from the xcp unstable repo).
When I joined the new slaves to the pool the bonds were reversed bond0 was attached to the wrong network as xapi1 instead of xapi0 so I was unable to make bond0 the management interface as it has no IP.
I've now tried every possible combination over the last 24 hours to get this working.

None of the network related xe tools work - they all barf with exceptions.
The Xencenter UI won't let me delete networks, bonds or anything else.
I can't remove the broken machines from the pool.
The whole things a bit of a mess.

Has anyone tested bonded networking?
Incidentally, in arriving at my present situation I discovered that the bridge names xenbr# and xapi# are hard-coded somewhere so it is necessary to create bridges of the same same in /etc/network/interfaces.
Why a bridge is required for the management interface at all beats me.
xe host-management-reconfigure never works because the interface you are switching to can't possibly have an IP yet - because what you are trying to do is migrate the IP from eth0 to bond0 (xenbr0 to xapi0 is required by xapi).
It would seem as though some library behind xe is silently failing to reconfigure host networking correctly.
Being fluent in about a dozen programming languages, but none of them OCaml, I have no idea where to start looking.

I'd be very grateful for any assistance.
Sorry if this sounds more like a whine than a plea for help - I'm frazzled after 24 hours straight beating my head against the desktop.

Dave
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After much pain I managed to get a bonded management interface on my pool master.
I then, following the advice of the XenServer 6.0 Administrator's Guide, configured the bonded interface for VM traffic before adding any pool slaves.
I then cleanly installed two machines (Debian Wheezy + Open vSwitch + xcp packages from the xcp unstable repo).
When I joined the new slaves to the pool the bonds were reversed bond0 was attached to the wrong network as xapi1 instead of xapi0 so I was unable to make bond0 the management interface as it has no IP.
I've now tried every possible combination over the last 24 hours to get this working.

None of the network related xe tools work - they all barf with exceptions.
The Xencenter UI won't let me delete networks, bonds or anything else.
I can't remove the broken machines from the pool.
The whole things a bit of a mess.

Has anyone tested bonded networking?
Incidentally, in arriving at my present situation I discovered that the bridge names xenbr# and xapi# are hard-coded somewhere so it is necessary to create bridges of the same same in /etc/network/interfaces.
Why a bridge is required for the management interface at all beats me.
xe host-management-reconfigure never works because the interface you are switching to can't possibly have an IP yet - because what you are trying to do is migrate the IP from eth0 to bond0 (xenbr0 to xapi0 is required by xapi).
It would seem as though some library behind xe is silently failing to reconfigure host networking correctly.
Being fluent in about a dozen programming languages, but none of them OCaml, I have no idea where to start looking.

I'd be very grateful for any assistance.
Sorry if this sounds more like a whine than a plea for help - I'm frazzled after 24 hours straight beating my head against the desktop.

Dave
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Subject: [Xen-API] Kronos: can't remove hosts from a pool
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It is not possible to remove a host from a pool because /etc/firstboot.d/data/<SOME-GENERATED_UUID> doesn't exist.
In fact /etc/firstboot.d doesn't exist and creating /etc/firstboot.d/data doesn't seem to help.
No idea where to start looking.


Dave
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It is not possible to remove a host from a pool because /etc/firstboot.d/data/<SOME-GENERATED_UUID> doesn't exist.
In fact /etc/firstboot.d doesn't exist and creating /etc/firstboot.d/data doesn't seem to help.
No idea where to start looking.


Dave
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From xen-api-bounces@lists.xensource.com Tue Dec 20 06:28:51 2011
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Update:

 /usr/lib/xcp/lib/interface-reconfigure is a no-op.
And the reason it fails silently is (from /usr/lib/xcp/bin/xe-reset-networking):

os.system(interface_reconfigure + if_args + ' >/dev/null 2>/dev/null')


On 20/12/2011, at 4:05 PM, Dave Whitla wrote:

> After much pain I managed to get a bonded management interface on my pool master.
> I then, following the advice of the XenServer 6.0 Administrator's Guide, configured the bonded interface for VM traffic before adding any pool slaves.
> I then cleanly installed two machines (Debian Wheezy + Open vSwitch + xcp packages from the xcp unstable repo).
> When I joined the new slaves to the pool the bonds were reversed bond0 was attached to the wrong network as xapi1 instead of xapi0 so I was unable to make bond0 the management interface as it has no IP.
> I've now tried every possible combination over the last 24 hours to get this working.
> 
> None of the network related xe tools work - they all barf with exceptions.
> The Xencenter UI won't let me delete networks, bonds or anything else.
> I can't remove the broken machines from the pool.
> The whole things a bit of a mess.
> 
> Has anyone tested bonded networking?
> Incidentally, in arriving at my present situation I discovered that the bridge names xenbr# and xapi# are hard-coded somewhere so it is necessary to create bridges of the same same in /etc/network/interfaces.
> Why a bridge is required for the management interface at all beats me.
> xe host-management-reconfigure never works because the interface you are switching to can't possibly have an IP yet - because what you are trying to do is migrate the IP from eth0 to bond0 (xenbr0 to xapi0 is required by xapi).
> It would seem as though some library behind xe is silently failing to reconfigure host networking correctly.
> Being fluent in about a dozen programming languages, but none of them OCaml, I have no idea where to start looking.
> 
> I'd be very grateful for any assistance.
> Sorry if this sounds more like a whine than a plea for help - I'm frazzled after 24 hours straight beating my head against the desktop.
> 
> Dave
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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Update:

 /usr/lib/xcp/lib/interface-reconfigure is a no-op.
And the reason it fails silently is (from /usr/lib/xcp/bin/xe-reset-networking):

os.system(interface_reconfigure + if_args + ' >/dev/null 2>/dev/null')


On 20/12/2011, at 4:05 PM, Dave Whitla wrote:

> After much pain I managed to get a bonded management interface on my pool master.
> I then, following the advice of the XenServer 6.0 Administrator's Guide, configured the bonded interface for VM traffic before adding any pool slaves.
> I then cleanly installed two machines (Debian Wheezy + Open vSwitch + xcp packages from the xcp unstable repo).
> When I joined the new slaves to the pool the bonds were reversed bond0 was attached to the wrong network as xapi1 instead of xapi0 so I was unable to make bond0 the management interface as it has no IP.
> I've now tried every possible combination over the last 24 hours to get this working.
> 
> None of the network related xe tools work - they all barf with exceptions.
> The Xencenter UI won't let me delete networks, bonds or anything else.
> I can't remove the broken machines from the pool.
> The whole things a bit of a mess.
> 
> Has anyone tested bonded networking?
> Incidentally, in arriving at my present situation I discovered that the bridge names xenbr# and xapi# are hard-coded somewhere so it is necessary to create bridges of the same same in /etc/network/interfaces.
> Why a bridge is required for the management interface at all beats me.
> xe host-management-reconfigure never works because the interface you are switching to can't possibly have an IP yet - because what you are trying to do is migrate the IP from eth0 to bond0 (xenbr0 to xapi0 is required by xapi).
> It would seem as though some library behind xe is silently failing to reconfigure host networking correctly.
> Being fluent in about a dozen programming languages, but none of them OCaml, I have no idea where to start looking.
> 
> I'd be very grateful for any assistance.
> Sorry if this sounds more like a whine than a plea for help - I'm frazzled after 24 hours straight beating my head against the desktop.
> 
> Dave
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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Forget the question, I've seen the code.

On Monday 19 December 2011 12:26:20 Christian Fischer wrote:
> I've hardcoded the menu.lst entries, but it seems that pygrub boots the
> wrong kernel. Any ideas what's going on?
> 
> kernel$ /platform/i86xpv/kernel/amd64/unix -B $ZFS-BOOTFS
> module$ /platform/i86pc/amd64/boot_archive
> 
> domain-builder: xc_dom_allocate: cmdline="/platform/i86xpv/kernel/unix -B
> zfs- bootfs=syspool/37,bootpath='/xpvd/xdf@51728:a'", features=""
> 
> This is a NexentaStor installation.
> There's no XCP error, no console output, nothing, except
> pop(domU_internal_shutdown) = VM (domid 28) @releaseDomain
> 
> Thanks
> Christian
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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Subject: Re: [Xen-API] [XCP-1.1] pygrub solaris support, bad cmdline
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Forget the question, I've seen the code.

On Monday 19 December 2011 12:26:20 Christian Fischer wrote:
> I've hardcoded the menu.lst entries, but it seems that pygrub boots the
> wrong kernel. Any ideas what's going on?
> 
> kernel$ /platform/i86xpv/kernel/amd64/unix -B $ZFS-BOOTFS
> module$ /platform/i86pc/amd64/boot_archive
> 
> domain-builder: xc_dom_allocate: cmdline="/platform/i86xpv/kernel/unix -B
> zfs- bootfs=syspool/37,bootpath='/xpvd/xdf@51728:a'", features=""
> 
> This is a NexentaStor installation.
> There's no XCP error, no console output, nothing, except
> pop(domU_internal_shutdown) = VM (domid 28) @releaseDomain
> 
> Thanks
> Christian
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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From: Medhavini Buchade <medhavini1991@gmail.com>
To: xen-api <xen-api@lists.xensource.com>
Subject: [Xen-API] Query regarding XCP installation.
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Hello Everyone,

I am doing a graduation project - "Auto provisioning portal" using
XCP(1.0). I have some doubt regarding the same. I have a laptop with
required HW configurations and Ubuntu(10.10) installed on it. I thee made
may laptop boot from cd that had Base iso package to install XCP. Now it
says that it has successfully installed XCP. I can also see the cloud
images and all. But I can no more access my Ubuntu. Is this normal or was
there any problem in installation or while those device drivers were
getting loaded. As I am doing such a project for first time I have these
doubts and I am stuck.

Thank you.

--0003255560626c70c604b4869066
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Hello Everyone,<div><br><div>I am doing a graduation project - &quot;Auto p=
rovisioning portal&quot; using XCP(1.0). I have some doubt regarding the sa=
me. I have a laptop with required HW configurations and Ubuntu(10.10) insta=
lled on it. I thee made may laptop boot from cd that had Base iso package t=
o install XCP. Now it says that it has successfully installed XCP. I can al=
so see the cloud images and all. But I can no more access my Ubuntu. Is thi=
s normal or was there any problem in installation or while those device dri=
vers were getting loaded. As I am doing such a project for first time I hav=
e these doubts and I am stuck.</div>
<div><br></div><div>Thank you.</div></div>

--0003255560626c70c604b4869066--


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Hello Everyone,

I am doing a graduation project - "Auto provisioning portal" using
XCP(1.0). I have some doubt regarding the same. I have a laptop with
required HW configurations and Ubuntu(10.10) installed on it. I thee made
may laptop boot from cd that had Base iso package to install XCP. Now it
says that it has successfully installed XCP. I can also see the cloud
images and all. But I can no more access my Ubuntu. Is this normal or was
there any problem in installation or while those device drivers were
getting loaded. As I am doing such a project for first time I have these
doubts and I am stuck.

Thank you.

--0003255560626c70c604b4869066
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hello Everyone,<div><br><div>I am doing a graduation project - &quot;Auto p=
rovisioning portal&quot; using XCP(1.0). I have some doubt regarding the sa=
me. I have a laptop with required HW configurations and Ubuntu(10.10) insta=
lled on it. I thee made may laptop boot from cd that had Base iso package t=
o install XCP. Now it says that it has successfully installed XCP. I can al=
so see the cloud images and all. But I can no more access my Ubuntu. Is thi=
s normal or was there any problem in installation or while those device dri=
vers were getting loaded. As I am doing such a project for first time I hav=
e these doubts and I am stuck.</div>
<div><br></div><div>Thank you.</div></div>

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No it's not publicly available, although all of the build scripts are. The 'build from source' instructions haven't migrated from the old xen wiki to the new, but I'll fix that up now.

The discussions about kronos are mostly happening on the IRC channel #xen-api on freenode - I would encourage you to log on there to chat about this!

Jon

On 20 Dec 2011, at 00:23, Dave Whitla wrote:

> Mike,
> 
> Is the build server publicly accessible? I'd like to see the commit logs for a new build before I install it if possible.
> Also could you please tell me the URL for the Git master for the Kronos package sources?
> 
> Thanks,
> 
> Dave
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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From: Jonathan Ludlam <Jonathan.Ludlam@eu.citrix.com>
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No it's not publicly available, although all of the build scripts are. The 'build from source' instructions haven't migrated from the old xen wiki to the new, but I'll fix that up now.

The discussions about kronos are mostly happening on the IRC channel #xen-api on freenode - I would encourage you to log on there to chat about this!

Jon

On 20 Dec 2011, at 00:23, Dave Whitla wrote:

> Mike,
> 
> Is the build server publicly accessible? I'd like to see the commit logs for a new build before I install it if possible.
> Also could you please tell me the URL for the Git master for the Kronos package sources?
> 
> Thanks,
> 
> Dave
> _______________________________________________
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> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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The problem is that the network scripts that are used in XCP are designed to work with Centos style ifcfg scripts, not /etc/network/interfaces. The script /usr/lib/xcp/lib/interface-reconfigure was no-opified in order to prevent it screwing up anything.

Rob Hoes is working on a new platform independent network control daemon that will replace this mechanism for XCP/XenServer - we'll provide an option to use it with Debian/Ubuntu too.  Unfortunately it's not quite ready to go yet, but he's feverishly working on it, ETA before the end of the year I hope!

You can check his progress here: https://github.com/robhoes/xen-api/tree/net

Jon

On 20 Dec 2011, at 06:28, Dave Whitla wrote:

> Update:
> 
> /usr/lib/xcp/lib/interface-reconfigure is a no-op.
> And the reason it fails silently is (from /usr/lib/xcp/bin/xe-reset-networking):
> 
> os.system(interface_reconfigure + if_args + ' >/dev/null 2>/dev/null')
> 
> 
> On 20/12/2011, at 4:05 PM, Dave Whitla wrote:
> 
>> After much pain I managed to get a bonded management interface on my pool master.
>> I then, following the advice of the XenServer 6.0 Administrator's Guide, configured the bonded interface for VM traffic before adding any pool slaves.
>> I then cleanly installed two machines (Debian Wheezy + Open vSwitch + xcp packages from the xcp unstable repo).
>> When I joined the new slaves to the pool the bonds were reversed bond0 was attached to the wrong network as xapi1 instead of xapi0 so I was unable to make bond0 the management interface as it has no IP.
>> I've now tried every possible combination over the last 24 hours to get this working.
>> 
>> None of the network related xe tools work - they all barf with exceptions.
>> The Xencenter UI won't let me delete networks, bonds or anything else.
>> I can't remove the broken machines from the pool.
>> The whole things a bit of a mess.
>> 
>> Has anyone tested bonded networking?
>> Incidentally, in arriving at my present situation I discovered that the bridge names xenbr# and xapi# are hard-coded somewhere so it is necessary to create bridges of the same same in /etc/network/interfaces.
>> Why a bridge is required for the management interface at all beats me.
>> xe host-management-reconfigure never works because the interface you are switching to can't possibly have an IP yet - because what you are trying to do is migrate the IP from eth0 to bond0 (xenbr0 to xapi0 is required by xapi).
>> It would seem as though some library behind xe is silently failing to reconfigure host networking correctly.
>> Being fluent in about a dozen programming languages, but none of them OCaml, I have no idea where to start looking.
>> 
>> I'd be very grateful for any assistance.
>> Sorry if this sounds more like a whine than a plea for help - I'm frazzled after 24 hours straight beating my head against the desktop.
>> 
>> Dave
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api
> 
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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The problem is that the network scripts that are used in XCP are designed to work with Centos style ifcfg scripts, not /etc/network/interfaces. The script /usr/lib/xcp/lib/interface-reconfigure was no-opified in order to prevent it screwing up anything.

Rob Hoes is working on a new platform independent network control daemon that will replace this mechanism for XCP/XenServer - we'll provide an option to use it with Debian/Ubuntu too.  Unfortunately it's not quite ready to go yet, but he's feverishly working on it, ETA before the end of the year I hope!

You can check his progress here: https://github.com/robhoes/xen-api/tree/net

Jon

On 20 Dec 2011, at 06:28, Dave Whitla wrote:

> Update:
> 
> /usr/lib/xcp/lib/interface-reconfigure is a no-op.
> And the reason it fails silently is (from /usr/lib/xcp/bin/xe-reset-networking):
> 
> os.system(interface_reconfigure + if_args + ' >/dev/null 2>/dev/null')
> 
> 
> On 20/12/2011, at 4:05 PM, Dave Whitla wrote:
> 
>> After much pain I managed to get a bonded management interface on my pool master.
>> I then, following the advice of the XenServer 6.0 Administrator's Guide, configured the bonded interface for VM traffic before adding any pool slaves.
>> I then cleanly installed two machines (Debian Wheezy + Open vSwitch + xcp packages from the xcp unstable repo).
>> When I joined the new slaves to the pool the bonds were reversed bond0 was attached to the wrong network as xapi1 instead of xapi0 so I was unable to make bond0 the management interface as it has no IP.
>> I've now tried every possible combination over the last 24 hours to get this working.
>> 
>> None of the network related xe tools work - they all barf with exceptions.
>> The Xencenter UI won't let me delete networks, bonds or anything else.
>> I can't remove the broken machines from the pool.
>> The whole things a bit of a mess.
>> 
>> Has anyone tested bonded networking?
>> Incidentally, in arriving at my present situation I discovered that the bridge names xenbr# and xapi# are hard-coded somewhere so it is necessary to create bridges of the same same in /etc/network/interfaces.
>> Why a bridge is required for the management interface at all beats me.
>> xe host-management-reconfigure never works because the interface you are switching to can't possibly have an IP yet - because what you are trying to do is migrate the IP from eth0 to bond0 (xenbr0 to xapi0 is required by xapi).
>> It would seem as though some library behind xe is silently failing to reconfigure host networking correctly.
>> Being fluent in about a dozen programming languages, but none of them OCaml, I have no idea where to start looking.
>> 
>> I'd be very grateful for any assistance.
>> Sorry if this sounds more like a whine than a plea for help - I'm frazzled after 24 hours straight beating my head against the desktop.
>> 
>> Dave
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api
> 
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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On 19/12/11 08:22, Pasi K=E4rkk=E4inen wrote:
> On Sun, Dec 18, 2011 at 09:46:10PM -0500, ruijin zhou wrote:
>> Hi, Guys,
>>
> =

> Hello,
> =

>> I recently found the following links about cross-pool migration:
>>
>> http://wiki.xen.org/wiki/CrossPoolMigration
>>
>> http://wiki.xen.org/wiki/CrossPoolMigrationv2
>>
>> I am interested in the research topic of live storage migration. And, I =
want to build something on Xen. =

>>
>> However, in recent Xen release I cannot find any code about live storage=
 Migration. I found the above links, which have a 'to do list'. It seems th=
at it just started.
>>
>> Does anyone know when will we have the code for storage migration?
>>
>> Thank you very much.
>>
> =

> I added xen-api mailinglist to CC ..
> =


Thanks Pasi.

Hi Ruijin,

Storage motion is something that we are prototyping for XCP/XenServer.
It will not be a part of the Xen hypervisor. We'll probably start more
work on the prototype in January, and we'll post details of our
implementation plan to this list.

Mike

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On 19/12/11 08:22, Pasi K=E4rkk=E4inen wrote:
> On Sun, Dec 18, 2011 at 09:46:10PM -0500, ruijin zhou wrote:
>> Hi, Guys,
>>
> =

> Hello,
> =

>> I recently found the following links about cross-pool migration:
>>
>> http://wiki.xen.org/wiki/CrossPoolMigration
>>
>> http://wiki.xen.org/wiki/CrossPoolMigrationv2
>>
>> I am interested in the research topic of live storage migration. And, I =
want to build something on Xen. =

>>
>> However, in recent Xen release I cannot find any code about live storage=
 Migration. I found the above links, which have a 'to do list'. It seems th=
at it just started.
>>
>> Does anyone know when will we have the code for storage migration?
>>
>> Thank you very much.
>>
> =

> I added xen-api mailinglist to CC ..
> =


Thanks Pasi.

Hi Ruijin,

Storage motion is something that we are prototyping for XCP/XenServer.
It will not be a part of the Xen hypervisor. We'll probably start more
work on the prototype in January, and we'll post details of our
implementation plan to this list.

Mike

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On 20/12/11 14:05, Medhavini Buchade wrote:
> Hello Everyone,
> 
> I am doing a graduation project - "Auto provisioning portal" using
> XCP(1.0). I have some doubt regarding the same. I have a laptop with
> required HW configurations and Ubuntu(10.10) installed on it. I thee
> made may laptop boot from cd that had Base iso package to install XCP.
> Now it says that it has successfully installed XCP. I can also see the
> cloud images and all. But I can no more access my Ubuntu. Is this normal
> or was there any problem in installation or while those device drivers
> were getting loaded. As I am doing such a project for first time I have
> these doubts and I am stuck.
> 
> Thank you.

Hi Medhavini,

I hate to be the bearer of bad news, but here it is.

XCP 1.0 is a full operating system distribution. When you install XCP,
it rewrites your partitions and installs itself over whatever was on
your disk.

I really hope you had back ups of your data, because I don't think
you'll be able to recover your Ubuntu system.

Mike

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On 20/12/11 14:05, Medhavini Buchade wrote:
> Hello Everyone,
> 
> I am doing a graduation project - "Auto provisioning portal" using
> XCP(1.0). I have some doubt regarding the same. I have a laptop with
> required HW configurations and Ubuntu(10.10) installed on it. I thee
> made may laptop boot from cd that had Base iso package to install XCP.
> Now it says that it has successfully installed XCP. I can also see the
> cloud images and all. But I can no more access my Ubuntu. Is this normal
> or was there any problem in installation or while those device drivers
> were getting loaded. As I am doing such a project for first time I have
> these doubts and I am stuck.
> 
> Thank you.

Hi Medhavini,

I hate to be the bearer of bad news, but here it is.

XCP 1.0 is a full operating system distribution. When you install XCP,
it rewrites your partitions and installs itself over whatever was on
your disk.

I really hope you had back ups of your data, because I don't think
you'll be able to recover your Ubuntu system.

Mike

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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Subject: Re: [Xen-API] Kronos: can't remove hosts from a pool
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On 20/12/11 06:07, Dave Whitla wrote:
> It is not possible to remove a host from a pool because /etc/firstboot.d/data/<SOME-GENERATED_UUID> doesn't exist.
> In fact /etc/firstboot.d doesn't exist and creating /etc/firstboot.d/data doesn't seem to help.
> No idea where to start looking.
> 

Thanks, Dave. Created a bug on Launchpad.

https://bugs.launchpad.net/xcp/+bug/907045

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On 20/12/11 06:07, Dave Whitla wrote:
> It is not possible to remove a host from a pool because /etc/firstboot.d/data/<SOME-GENERATED_UUID> doesn't exist.
> In fact /etc/firstboot.d doesn't exist and creating /etc/firstboot.d/data doesn't seem to help.
> No idea where to start looking.
> 

Thanks, Dave. Created a bug on Launchpad.

https://bugs.launchpad.net/xcp/+bug/907045

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Date: Tue, 20 Dec 2011 16:55:24 -0500
Message-ID: <CAKYr3zxe6DAGe2+AJ8q6x_J28cJO=D99yX9r9mtrXDqS6u79mA@mail.gmail.com>
From: Outback Dingo <outbackdingo@gmail.com>
To: "xen-api@lists.xensource.com" <xen-api@lists.xensource.com>
Content-Type: multipart/mixed; boundary=f46d043086a2d5566304b48d1f80
Subject: [Xen-API] KRONOS - LVM BACKED XFS SR - Working
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--f46d043086a2d5566304b48d1f80
Content-Type: text/plain; charset=ISO-8859-1

Attached you will find XFSSR.py simply place it in /usr/lib/xcp/sm and
create a symlink to XFSSR
install lvm2 / xfstools

"apt-get install lvm2 xfstools"

create a lvm volumn


and

restart xapi

'service xcp-xapi restart'


then

SR=`xe sr-create type=xfs
device-config:device=/dev/mapper/test-builder name-label=xfs`

change /dev/mapper/test-builder to your lvm device to match your system

after its done, youll be able to use the XFS LVM filesystem as the default SR

Enjoy

PS: Someone commit this :)

--f46d043086a2d5566304b48d1f80
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Subject: [Xen-API] KRONOS - LVM BACKED XFS SR - Working
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Attached you will find XFSSR.py simply place it in /usr/lib/xcp/sm and
create a symlink to XFSSR
install lvm2 / xfstools

"apt-get install lvm2 xfstools"

create a lvm volumn


and

restart xapi

'service xcp-xapi restart'


then

SR=`xe sr-create type=xfs
device-config:device=/dev/mapper/test-builder name-label=xfs`

change /dev/mapper/test-builder to your lvm device to match your system

after its done, youll be able to use the XFS LVM filesystem as the default SR

Enjoy

PS: Someone commit this :)

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Thanks Jon.

I was thinking about doing it myself. I'll take a look at what Rob has done so far.
My only concern is that it will likely make assumptions about SYSV init being the principal run control system and that it's OK to take interfaces down.
I prefer my Pacemaker cluster solution (which I have invested a lot of time in) to XCP's reinvention of all the wheels. In this scenario Pacemaker will detect networks going down as a system failure and will fence the host unless I'm provided a way to integrate the two.
So a robust solution really needs to be modular and pluggable if you want to support simply adding xapi to existing platforms.

Incidentally I've noticed that when the service names were changed to be prefixed with xcp- none of the supporting libraries of scripts were updated.
Is there some way we can get this stuff out in he open where I can check out and iteratively fix-build-deploy-test.
I'm really under the pump to get this stuff working in our own deployment and I don't have time to sit around and wait for other people to fix stuff which I can do myself.
If you can't check out the source and fix bugs then it's not really open source.

Dave

On 21/12/2011, at 1:50 AM, Jonathan Ludlam wrote:

> The problem is that the network scripts that are used in XCP are designed to work with Centos style ifcfg scripts, not /etc/network/interfaces. The script /usr/lib/xcp/lib/interface-reconfigure was no-opified in order to prevent it screwing up anything.
> 
> Rob Hoes is working on a new platform independent network control daemon that will replace this mechanism for XCP/XenServer - we'll provide an option to use it with Debian/Ubuntu too.  Unfortunately it's not quite ready to go yet, but he's feverishly working on it, ETA before the end of the year I hope!
> 
> You can check his progress here: https://github.com/robhoes/xen-api/tree/net
> 
> Jon
> 
> On 20 Dec 2011, at 06:28, Dave Whitla wrote:
> 
>> Update:
>> 
>> /usr/lib/xcp/lib/interface-reconfigure is a no-op.
>> And the reason it fails silently is (from /usr/lib/xcp/bin/xe-reset-networking):
>> 
>> os.system(interface_reconfigure + if_args + ' >/dev/null 2>/dev/null')
>> 
>> 
>> On 20/12/2011, at 4:05 PM, Dave Whitla wrote:
>> 
>>> After much pain I managed to get a bonded management interface on my pool master.
>>> I then, following the advice of the XenServer 6.0 Administrator's Guide, configured the bonded interface for VM traffic before adding any pool slaves.
>>> I then cleanly installed two machines (Debian Wheezy + Open vSwitch + xcp packages from the xcp unstable repo).
>>> When I joined the new slaves to the pool the bonds were reversed bond0 was attached to the wrong network as xapi1 instead of xapi0 so I was unable to make bond0 the management interface as it has no IP.
>>> I've now tried every possible combination over the last 24 hours to get this working.
>>> 
>>> None of the network related xe tools work - they all barf with exceptions.
>>> The Xencenter UI won't let me delete networks, bonds or anything else.
>>> I can't remove the broken machines from the pool.
>>> The whole things a bit of a mess.
>>> 
>>> Has anyone tested bonded networking?
>>> Incidentally, in arriving at my present situation I discovered that the bridge names xenbr# and xapi# are hard-coded somewhere so it is necessary to create bridges of the same same in /etc/network/interfaces.
>>> Why a bridge is required for the management interface at all beats me.
>>> xe host-management-reconfigure never works because the interface you are switching to can't possibly have an IP yet - because what you are trying to do is migrate the IP from eth0 to bond0 (xenbr0 to xapi0 is required by xapi).
>>> It would seem as though some library behind xe is silently failing to reconfigure host networking correctly.
>>> Being fluent in about a dozen programming languages, but none of them OCaml, I have no idea where to start looking.
>>> 
>>> I'd be very grateful for any assistance.
>>> Sorry if this sounds more like a whine than a plea for help - I'm frazzled after 24 hours straight beating my head against the desktop.
>>> 
>>> Dave
>>> _______________________________________________
>>> xen-api mailing list
>>> xen-api@lists.xensource.com
>>> http://lists.xensource.com/mailman/listinfo/xen-api
>> 
>> 
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api
> 


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Thanks Jon.

I was thinking about doing it myself. I'll take a look at what Rob has done so far.
My only concern is that it will likely make assumptions about SYSV init being the principal run control system and that it's OK to take interfaces down.
I prefer my Pacemaker cluster solution (which I have invested a lot of time in) to XCP's reinvention of all the wheels. In this scenario Pacemaker will detect networks going down as a system failure and will fence the host unless I'm provided a way to integrate the two.
So a robust solution really needs to be modular and pluggable if you want to support simply adding xapi to existing platforms.

Incidentally I've noticed that when the service names were changed to be prefixed with xcp- none of the supporting libraries of scripts were updated.
Is there some way we can get this stuff out in he open where I can check out and iteratively fix-build-deploy-test.
I'm really under the pump to get this stuff working in our own deployment and I don't have time to sit around and wait for other people to fix stuff which I can do myself.
If you can't check out the source and fix bugs then it's not really open source.

Dave

On 21/12/2011, at 1:50 AM, Jonathan Ludlam wrote:

> The problem is that the network scripts that are used in XCP are designed to work with Centos style ifcfg scripts, not /etc/network/interfaces. The script /usr/lib/xcp/lib/interface-reconfigure was no-opified in order to prevent it screwing up anything.
> 
> Rob Hoes is working on a new platform independent network control daemon that will replace this mechanism for XCP/XenServer - we'll provide an option to use it with Debian/Ubuntu too.  Unfortunately it's not quite ready to go yet, but he's feverishly working on it, ETA before the end of the year I hope!
> 
> You can check his progress here: https://github.com/robhoes/xen-api/tree/net
> 
> Jon
> 
> On 20 Dec 2011, at 06:28, Dave Whitla wrote:
> 
>> Update:
>> 
>> /usr/lib/xcp/lib/interface-reconfigure is a no-op.
>> And the reason it fails silently is (from /usr/lib/xcp/bin/xe-reset-networking):
>> 
>> os.system(interface_reconfigure + if_args + ' >/dev/null 2>/dev/null')
>> 
>> 
>> On 20/12/2011, at 4:05 PM, Dave Whitla wrote:
>> 
>>> After much pain I managed to get a bonded management interface on my pool master.
>>> I then, following the advice of the XenServer 6.0 Administrator's Guide, configured the bonded interface for VM traffic before adding any pool slaves.
>>> I then cleanly installed two machines (Debian Wheezy + Open vSwitch + xcp packages from the xcp unstable repo).
>>> When I joined the new slaves to the pool the bonds were reversed bond0 was attached to the wrong network as xapi1 instead of xapi0 so I was unable to make bond0 the management interface as it has no IP.
>>> I've now tried every possible combination over the last 24 hours to get this working.
>>> 
>>> None of the network related xe tools work - they all barf with exceptions.
>>> The Xencenter UI won't let me delete networks, bonds or anything else.
>>> I can't remove the broken machines from the pool.
>>> The whole things a bit of a mess.
>>> 
>>> Has anyone tested bonded networking?
>>> Incidentally, in arriving at my present situation I discovered that the bridge names xenbr# and xapi# are hard-coded somewhere so it is necessary to create bridges of the same same in /etc/network/interfaces.
>>> Why a bridge is required for the management interface at all beats me.
>>> xe host-management-reconfigure never works because the interface you are switching to can't possibly have an IP yet - because what you are trying to do is migrate the IP from eth0 to bond0 (xenbr0 to xapi0 is required by xapi).
>>> It would seem as though some library behind xe is silently failing to reconfigure host networking correctly.
>>> Being fluent in about a dozen programming languages, but none of them OCaml, I have no idea where to start looking.
>>> 
>>> I'd be very grateful for any assistance.
>>> Sorry if this sounds more like a whine than a plea for help - I'm frazzled after 24 hours straight beating my head against the desktop.
>>> 
>>> Dave
>>> _______________________________________________
>>> xen-api mailing list
>>> xen-api@lists.xensource.com
>>> http://lists.xensource.com/mailman/listinfo/xen-api
>> 
>> 
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api
> 


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Thanks Mike.
I'm more of a doer than a bug-reporter.
Can we get this project truly open and make the source repo public?
I really need to fix this stuff myself rather than wait for people who already have a lot on their plate.
I pushed hard at work to be allowed to build on this for a test environment solution which was going to go to VMWare.
I've been a very vocal open source evangelist for the last 20 years and with my current employer I've been having recent wins so I was indulged.
Now I'm out on a limb and need to be able to fix bugs in a hurry but I can't find the source anywhere.
Lets all do some Christmas giving. 

:)

Dave

On 21/12/2011, at 5:50 AM, Mike McClurg wrote:

> On 20/12/11 06:07, Dave Whitla wrote:
>> It is not possible to remove a host from a pool because /etc/firstboot.d/data/<SOME-GENERATED_UUID> doesn't exist.
>> In fact /etc/firstboot.d doesn't exist and creating /etc/firstboot.d/data doesn't seem to help.
>> No idea where to start looking.
>> 
> 
> Thanks, Dave. Created a bug on Launchpad.
> 
> https://bugs.launchpad.net/xcp/+bug/907045


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Thanks Mike.
I'm more of a doer than a bug-reporter.
Can we get this project truly open and make the source repo public?
I really need to fix this stuff myself rather than wait for people who already have a lot on their plate.
I pushed hard at work to be allowed to build on this for a test environment solution which was going to go to VMWare.
I've been a very vocal open source evangelist for the last 20 years and with my current employer I've been having recent wins so I was indulged.
Now I'm out on a limb and need to be able to fix bugs in a hurry but I can't find the source anywhere.
Lets all do some Christmas giving. 

:)

Dave

On 21/12/2011, at 5:50 AM, Mike McClurg wrote:

> On 20/12/11 06:07, Dave Whitla wrote:
>> It is not possible to remove a host from a pool because /etc/firstboot.d/data/<SOME-GENERATED_UUID> doesn't exist.
>> In fact /etc/firstboot.d doesn't exist and creating /etc/firstboot.d/data doesn't seem to help.
>> No idea where to start looking.
>> 
> 
> Thanks, Dave. Created a bug on Launchpad.
> 
> https://bugs.launchpad.net/xcp/+bug/907045


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The source is all public already, it's all on github. Look at this page:

wiki.xen.org/wiki/Building_XAPI_for_debian

I've not finished completely testing what's written there (our build system uses slightly different build targets and does other bits and pieces) in particular the dependencies, but it should get you started.

Jon

Sent from my iPad

On 20 Dec 2011, at 22:48, "Dave Whitla" <dave.whitla@ocean.net.au> wrote:

> Thanks Mike.
> I'm more of a doer than a bug-reporter.
> Can we get this project truly open and make the source repo public?
> I really need to fix this stuff myself rather than wait for people who already have a lot on their plate.
> I pushed hard at work to be allowed to build on this for a test environment solution which was going to go to VMWare.
> I've been a very vocal open source evangelist for the last 20 years and with my current employer I've been having recent wins so I was indulged.
> Now I'm out on a limb and need to be able to fix bugs in a hurry but I can't find the source anywhere.
> Lets all do some Christmas giving. 
> 
> :)
> 
> Dave
> 
> On 21/12/2011, at 5:50 AM, Mike McClurg wrote:
> 
>> On 20/12/11 06:07, Dave Whitla wrote:
>>> It is not possible to remove a host from a pool because /etc/firstboot.d/data/<SOME-GENERATED_UUID> doesn't exist.
>>> In fact /etc/firstboot.d doesn't exist and creating /etc/firstboot.d/data doesn't seem to help.
>>> No idea where to start looking.
>>> 
>> 
>> Thanks, Dave. Created a bug on Launchpad.
>> 
>> https://bugs.launchpad.net/xcp/+bug/907045
> 
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api

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The source is all public already, it's all on github. Look at this page:

wiki.xen.org/wiki/Building_XAPI_for_debian

I've not finished completely testing what's written there (our build system uses slightly different build targets and does other bits and pieces) in particular the dependencies, but it should get you started.

Jon

Sent from my iPad

On 20 Dec 2011, at 22:48, "Dave Whitla" <dave.whitla@ocean.net.au> wrote:

> Thanks Mike.
> I'm more of a doer than a bug-reporter.
> Can we get this project truly open and make the source repo public?
> I really need to fix this stuff myself rather than wait for people who already have a lot on their plate.
> I pushed hard at work to be allowed to build on this for a test environment solution which was going to go to VMWare.
> I've been a very vocal open source evangelist for the last 20 years and with my current employer I've been having recent wins so I was indulged.
> Now I'm out on a limb and need to be able to fix bugs in a hurry but I can't find the source anywhere.
> Lets all do some Christmas giving. 
> 
> :)
> 
> Dave
> 
> On 21/12/2011, at 5:50 AM, Mike McClurg wrote:
> 
>> On 20/12/11 06:07, Dave Whitla wrote:
>>> It is not possible to remove a host from a pool because /etc/firstboot.d/data/<SOME-GENERATED_UUID> doesn't exist.
>>> In fact /etc/firstboot.d doesn't exist and creating /etc/firstboot.d/data doesn't seem to help.
>>> No idea where to start looking.
>>> 
>> 
>> Thanks, Dave. Created a bug on Launchpad.
>> 
>> https://bugs.launchpad.net/xcp/+bug/907045
> 
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api

_______________________________________________
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On 20/12/11 22:45, Dave Whitla wrote:
> Thanks Mike.
> I'm more of a doer than a bug-reporter.
> Can we get this project truly open and make the source repo public?
> I really need to fix this stuff myself rather than wait for people who already have a lot on their plate.
> I pushed hard at work to be allowed to build on this for a test environment solution which was going to go to VMWare.
> I've been a very vocal open source evangelist for the last 20 years and with my current employer I've been having recent wins so I was indulged.
> Now I'm out on a limb and need to be able to fix bugs in a hurry but I can't find the source anywhere.
> Lets all do some Christmas giving. 
> 
> :)
> 

Hey Dave,

XCP is open source, and all the Kronos code is on Github. You are more
than welcome to contribute! Checkout my github page [1], and fork
whatever repos you're interested in. We use git-buildpackage for
building our debian packages.

What areas were you particularly interested in contributing to?

Mike

[1] https://github.com/mcclurmc

_______________________________________________
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On 20/12/11 22:45, Dave Whitla wrote:
> Thanks Mike.
> I'm more of a doer than a bug-reporter.
> Can we get this project truly open and make the source repo public?
> I really need to fix this stuff myself rather than wait for people who already have a lot on their plate.
> I pushed hard at work to be allowed to build on this for a test environment solution which was going to go to VMWare.
> I've been a very vocal open source evangelist for the last 20 years and with my current employer I've been having recent wins so I was indulged.
> Now I'm out on a limb and need to be able to fix bugs in a hurry but I can't find the source anywhere.
> Lets all do some Christmas giving. 
> 
> :)
> 

Hey Dave,

XCP is open source, and all the Kronos code is on Github. You are more
than welcome to contribute! Checkout my github page [1], and fork
whatever repos you're interested in. We use git-buildpackage for
building our debian packages.

What areas were you particularly interested in contributing to?

Mike

[1] https://github.com/mcclurmc

_______________________________________________
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From: Dave Whitla <dave.whitla@ocean.net.au>
Date: Wed, 21 Dec 2011 08:59:22 +1000
To: Jonathan Ludlam <Jonathan.Ludlam@eu.citrix.com>
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Subject: Re: [Xen-API] Kronos: can't remove hosts from a pool
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Thanks Jon. I've been there. Saw a repo for your auto builder only.

On 21/12/2011, at 8:52 AM, Jonathan Ludlam <Jonathan.Ludlam@eu.citrix.com> wrote:

> The source is all public already, it's all on github. Look at this page:
> 
> wiki.xen.org/wiki/Building_XAPI_for_debian
> 
> I've not finished completely testing what's written there (our build system uses slightly different build targets and does other bits and pieces) in particular the dependencies, but it should get you started.
> 
> Jon
> 
> Sent from my iPad
> 
> On 20 Dec 2011, at 22:48, "Dave Whitla" <dave.whitla@ocean.net.au> wrote:
> 
>> Thanks Mike.
>> I'm more of a doer than a bug-reporter.
>> Can we get this project truly open and make the source repo public?
>> I really need to fix this stuff myself rather than wait for people who already have a lot on their plate.
>> I pushed hard at work to be allowed to build on this for a test environment solution which was going to go to VMWare.
>> I've been a very vocal open source evangelist for the last 20 years and with my current employer I've been having recent wins so I was indulged.
>> Now I'm out on a limb and need to be able to fix bugs in a hurry but I can't find the source anywhere.
>> Lets all do some Christmas giving. 
>> 
>> :)
>> 
>> Dave
>> 
>> On 21/12/2011, at 5:50 AM, Mike McClurg wrote:
>> 
>>> On 20/12/11 06:07, Dave Whitla wrote:
>>>> It is not possible to remove a host from a pool because /etc/firstboot.d/data/<SOME-GENERATED_UUID> doesn't exist.
>>>> In fact /etc/firstboot.d doesn't exist and creating /etc/firstboot.d/data doesn't seem to help.
>>>> No idea where to start looking.
>>>> 
>>> 
>>> Thanks, Dave. Created a bug on Launchpad.
>>> 
>>> https://bugs.launchpad.net/xcp/+bug/907045
>> 
>> 
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api

_______________________________________________
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Thanks Jon. I've been there. Saw a repo for your auto builder only.

On 21/12/2011, at 8:52 AM, Jonathan Ludlam <Jonathan.Ludlam@eu.citrix.com> wrote:

> The source is all public already, it's all on github. Look at this page:
> 
> wiki.xen.org/wiki/Building_XAPI_for_debian
> 
> I've not finished completely testing what's written there (our build system uses slightly different build targets and does other bits and pieces) in particular the dependencies, but it should get you started.
> 
> Jon
> 
> Sent from my iPad
> 
> On 20 Dec 2011, at 22:48, "Dave Whitla" <dave.whitla@ocean.net.au> wrote:
> 
>> Thanks Mike.
>> I'm more of a doer than a bug-reporter.
>> Can we get this project truly open and make the source repo public?
>> I really need to fix this stuff myself rather than wait for people who already have a lot on their plate.
>> I pushed hard at work to be allowed to build on this for a test environment solution which was going to go to VMWare.
>> I've been a very vocal open source evangelist for the last 20 years and with my current employer I've been having recent wins so I was indulged.
>> Now I'm out on a limb and need to be able to fix bugs in a hurry but I can't find the source anywhere.
>> Lets all do some Christmas giving. 
>> 
>> :)
>> 
>> Dave
>> 
>> On 21/12/2011, at 5:50 AM, Mike McClurg wrote:
>> 
>>> On 20/12/11 06:07, Dave Whitla wrote:
>>>> It is not possible to remove a host from a pool because /etc/firstboot.d/data/<SOME-GENERATED_UUID> doesn't exist.
>>>> In fact /etc/firstboot.d doesn't exist and creating /etc/firstboot.d/data doesn't seem to help.
>>>> No idea where to start looking.
>>>> 
>>> 
>>> Thanks, Dave. Created a bug on Launchpad.
>>> 
>>> https://bugs.launchpad.net/xcp/+bug/907045
>> 
>> 
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api

_______________________________________________
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From xen-api-bounces@lists.xensource.com Tue Dec 20 23:26:32 2011
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Look closer :-)

in particular, check out this file: 

https://github.com/jonludlam/xapi-autobuilder/blob/master/git-repos

I appreciate it's all a little obscure at the moment - once we have things uploaded to debian we'll move the main repositories over to github.com/xen-org and we'll invest some time in documenting and whatnot - up until this point it's been a bit of a race just to get something working at all :-)

Jon


On 20 Dec 2011, at 22:59, Dave Whitla wrote:

> Thanks Jon. I've been there. Saw a repo for your auto builder only.
> 
> On 21/12/2011, at 8:52 AM, Jonathan Ludlam <Jonathan.Ludlam@eu.citrix.com> wrote:
> 
>> The source is all public already, it's all on github. Look at this page:
>> 
>> wiki.xen.org/wiki/Building_XAPI_for_debian
>> 
>> I've not finished completely testing what's written there (our build system uses slightly different build targets and does other bits and pieces) in particular the dependencies, but it should get you started.
>> 
>> Jon
>> 
>> Sent from my iPad
>> 
>> On 20 Dec 2011, at 22:48, "Dave Whitla" <dave.whitla@ocean.net.au> wrote:
>> 
>>> Thanks Mike.
>>> I'm more of a doer than a bug-reporter.
>>> Can we get this project truly open and make the source repo public?
>>> I really need to fix this stuff myself rather than wait for people who already have a lot on their plate.
>>> I pushed hard at work to be allowed to build on this for a test environment solution which was going to go to VMWare.
>>> I've been a very vocal open source evangelist for the last 20 years and with my current employer I've been having recent wins so I was indulged.
>>> Now I'm out on a limb and need to be able to fix bugs in a hurry but I can't find the source anywhere.
>>> Lets all do some Christmas giving. 
>>> 
>>> :)
>>> 
>>> Dave
>>> 
>>> On 21/12/2011, at 5:50 AM, Mike McClurg wrote:
>>> 
>>>> On 20/12/11 06:07, Dave Whitla wrote:
>>>>> It is not possible to remove a host from a pool because /etc/firstboot.d/data/<SOME-GENERATED_UUID> doesn't exist.
>>>>> In fact /etc/firstboot.d doesn't exist and creating /etc/firstboot.d/data doesn't seem to help.
>>>>> No idea where to start looking.
>>>>> 
>>>> 
>>>> Thanks, Dave. Created a bug on Launchpad.
>>>> 
>>>> https://bugs.launchpad.net/xcp/+bug/907045
>>> 
>>> 
>>> _______________________________________________
>>> xen-api mailing list
>>> xen-api@lists.xensource.com
>>> http://lists.xensource.com/mailman/listinfo/xen-api


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Look closer :-)

in particular, check out this file: 

https://github.com/jonludlam/xapi-autobuilder/blob/master/git-repos

I appreciate it's all a little obscure at the moment - once we have things uploaded to debian we'll move the main repositories over to github.com/xen-org and we'll invest some time in documenting and whatnot - up until this point it's been a bit of a race just to get something working at all :-)

Jon


On 20 Dec 2011, at 22:59, Dave Whitla wrote:

> Thanks Jon. I've been there. Saw a repo for your auto builder only.
> 
> On 21/12/2011, at 8:52 AM, Jonathan Ludlam <Jonathan.Ludlam@eu.citrix.com> wrote:
> 
>> The source is all public already, it's all on github. Look at this page:
>> 
>> wiki.xen.org/wiki/Building_XAPI_for_debian
>> 
>> I've not finished completely testing what's written there (our build system uses slightly different build targets and does other bits and pieces) in particular the dependencies, but it should get you started.
>> 
>> Jon
>> 
>> Sent from my iPad
>> 
>> On 20 Dec 2011, at 22:48, "Dave Whitla" <dave.whitla@ocean.net.au> wrote:
>> 
>>> Thanks Mike.
>>> I'm more of a doer than a bug-reporter.
>>> Can we get this project truly open and make the source repo public?
>>> I really need to fix this stuff myself rather than wait for people who already have a lot on their plate.
>>> I pushed hard at work to be allowed to build on this for a test environment solution which was going to go to VMWare.
>>> I've been a very vocal open source evangelist for the last 20 years and with my current employer I've been having recent wins so I was indulged.
>>> Now I'm out on a limb and need to be able to fix bugs in a hurry but I can't find the source anywhere.
>>> Lets all do some Christmas giving. 
>>> 
>>> :)
>>> 
>>> Dave
>>> 
>>> On 21/12/2011, at 5:50 AM, Mike McClurg wrote:
>>> 
>>>> On 20/12/11 06:07, Dave Whitla wrote:
>>>>> It is not possible to remove a host from a pool because /etc/firstboot.d/data/<SOME-GENERATED_UUID> doesn't exist.
>>>>> In fact /etc/firstboot.d doesn't exist and creating /etc/firstboot.d/data doesn't seem to help.
>>>>> No idea where to start looking.
>>>>> 
>>>> 
>>>> Thanks, Dave. Created a bug on Launchpad.
>>>> 
>>>> https://bugs.launchpad.net/xcp/+bug/907045
>>> 
>>> 
>>> _______________________________________________
>>> xen-api mailing list
>>> xen-api@lists.xensource.com
>>> http://lists.xensource.com/mailman/listinfo/xen-api


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Thanks Jon and Mike for bearing with me.

I've been forced to compromise at work to meet our schedule but I'll keep working on Kronos as this year's Christmas project.
I'll also be near Santa Clara around the time of the Oracle-sponsored Xen hackathon.
I aim to have something to make it worth attending by then.

Merry Christmas :)

Dave

On 21/12/2011, at 9:26 AM, Jonathan Ludlam wrote:

> Look closer :-)
> 
> in particular, check out this file: 
> 
> https://github.com/jonludlam/xapi-autobuilder/blob/master/git-repos
> 
> I appreciate it's all a little obscure at the moment - once we have things uploaded to debian we'll move the main repositories over to github.com/xen-org and we'll invest some time in documenting and whatnot - up until this point it's been a bit of a race just to get something working at all :-)
> 
> Jon
> 
> 

On 21/12/2011, at 8:54 AM, Mike McClurg wrote:

> Hey Dave,
> 
> XCP is open source, and all the Kronos code is on Github. You are more
> than welcome to contribute! Checkout my github page [1], and fork
> whatever repos you're interested in. We use git-buildpackage for
> building our debian packages.
> 
> What areas were you particularly interested in contributing to?
> 
> Mike
> 
> [1] https://github.com/mcclurmc


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Thanks Jon and Mike for bearing with me.

I've been forced to compromise at work to meet our schedule but I'll keep working on Kronos as this year's Christmas project.
I'll also be near Santa Clara around the time of the Oracle-sponsored Xen hackathon.
I aim to have something to make it worth attending by then.

Merry Christmas :)

Dave

On 21/12/2011, at 9:26 AM, Jonathan Ludlam wrote:

> Look closer :-)
> 
> in particular, check out this file: 
> 
> https://github.com/jonludlam/xapi-autobuilder/blob/master/git-repos
> 
> I appreciate it's all a little obscure at the moment - once we have things uploaded to debian we'll move the main repositories over to github.com/xen-org and we'll invest some time in documenting and whatnot - up until this point it's been a bit of a race just to get something working at all :-)
> 
> Jon
> 
> 

On 21/12/2011, at 8:54 AM, Mike McClurg wrote:

> Hey Dave,
> 
> XCP is open source, and all the Kronos code is on Github. You are more
> than welcome to contribute! Checkout my github page [1], and fork
> whatever repos you're interested in. We use git-buildpackage for
> building our debian packages.
> 
> What areas were you particularly interested in contributing to?
> 
> Mike
> 
> [1] https://github.com/mcclurmc


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On 20 Dec 2011, at 22:38, Dave Whitla wrote:

> Thanks Jon.
> 
> I was thinking about doing it myself. I'll take a look at what Rob has done so far.
> My only concern is that it will likely make assumptions about SYSV init being the principal run control system and that it's OK to take interfaces down.

If you enable the daemon as it's currently being written, it will own the configuration of networking on the box, and will indeed not play nicely with other things. The primary motivation for this is to make things work for XCP the distro - the embedded platform. It coincidentally will fix the problem that none of the current networking scripts will work with debian, but it will still be of the mindset that it is the sole thing that fiddles with networks on the system. The concession for other use cases is currently the ability to turn it off :-)

> I prefer my Pacemaker cluster solution (which I have invested a lot of time in) to XCP's reinvention of all the wheels. In this scenario Pacemaker will detect networks going down as a system failure and will fence the host unless I'm provided a way to integrate the two.

The daemon is using json rpc to talk to xapi. It shouldn't be too hard to write a different one, though the obvious problem there is lack of documentation. I recommend talking to Rob about it for now, or asking on the IRC channel. We've got a nice IDL defining these interfaces (nice if you like ocaml, that is), but producing documentation from it isn't yet sorted. It's on the to-do list.

> So a robust solution really needs to be modular and pluggable if you want to support simply adding xapi to existing platforms.
> 

Yes.

> Incidentally I've noticed that when the service names were changed to be prefixed with xcp- none of the supporting libraries of scripts were updated.
> Is there some way we can get this stuff out in he open where I can check out and iteratively fix-build-deploy-test.

As I said before, xapi-autobuilder is how we're building this stuff, but it's all normal debian packages. apt-get source xcp-xapi, and fire off the patches :-)

> I'm really under the pump to get this stuff working in our own deployment and I don't have time to sit around and wait for other people to fix stuff which I can do myself.
> If you can't check out the source and fix bugs then it's not really open source.
> 
> Dave
> 
> On 21/12/2011, at 1:50 AM, Jonathan Ludlam wrote:
> 
>> The problem is that the network scripts that are used in XCP are designed to work with Centos style ifcfg scripts, not /etc/network/interfaces. The script /usr/lib/xcp/lib/interface-reconfigure was no-opified in order to prevent it screwing up anything.
>> 
>> Rob Hoes is working on a new platform independent network control daemon that will replace this mechanism for XCP/XenServer - we'll provide an option to use it with Debian/Ubuntu too.  Unfortunately it's not quite ready to go yet, but he's feverishly working on it, ETA before the end of the year I hope!
>> 
>> You can check his progress here: https://github.com/robhoes/xen-api/tree/net
>> 
>> Jon
>> 
>> On 20 Dec 2011, at 06:28, Dave Whitla wrote:
>> 
>>> Update:
>>> 
>>> /usr/lib/xcp/lib/interface-reconfigure is a no-op.
>>> And the reason it fails silently is (from /usr/lib/xcp/bin/xe-reset-networking):
>>> 
>>> os.system(interface_reconfigure + if_args + ' >/dev/null 2>/dev/null')
>>> 
>>> 
>>> On 20/12/2011, at 4:05 PM, Dave Whitla wrote:
>>> 
>>>> After much pain I managed to get a bonded management interface on my pool master.
>>>> I then, following the advice of the XenServer 6.0 Administrator's Guide, configured the bonded interface for VM traffic before adding any pool slaves.
>>>> I then cleanly installed two machines (Debian Wheezy + Open vSwitch + xcp packages from the xcp unstable repo).
>>>> When I joined the new slaves to the pool the bonds were reversed bond0 was attached to the wrong network as xapi1 instead of xapi0 so I was unable to make bond0 the management interface as it has no IP.
>>>> I've now tried every possible combination over the last 24 hours to get this working.
>>>> 
>>>> None of the network related xe tools work - they all barf with exceptions.
>>>> The Xencenter UI won't let me delete networks, bonds or anything else.
>>>> I can't remove the broken machines from the pool.
>>>> The whole things a bit of a mess.
>>>> 
>>>> Has anyone tested bonded networking?
>>>> Incidentally, in arriving at my present situation I discovered that the bridge names xenbr# and xapi# are hard-coded somewhere so it is necessary to create bridges of the same same in /etc/network/interfaces.
>>>> Why a bridge is required for the management interface at all beats me.
>>>> xe host-management-reconfigure never works because the interface you are switching to can't possibly have an IP yet - because what you are trying to do is migrate the IP from eth0 to bond0 (xenbr0 to xapi0 is required by xapi).
>>>> It would seem as though some library behind xe is silently failing to reconfigure host networking correctly.
>>>> Being fluent in about a dozen programming languages, but none of them OCaml, I have no idea where to start looking.
>>>> 
>>>> I'd be very grateful for any assistance.
>>>> Sorry if this sounds more like a whine than a plea for help - I'm frazzled after 24 hours straight beating my head against the desktop.
>>>> 
>>>> Dave
>>>> _______________________________________________
>>>> xen-api mailing list
>>>> xen-api@lists.xensource.com
>>>> http://lists.xensource.com/mailman/listinfo/xen-api
>>> 
>>> 
>>> _______________________________________________
>>> xen-api mailing list
>>> xen-api@lists.xensource.com
>>> http://lists.xensource.com/mailman/listinfo/xen-api
>> 
> 


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On 20 Dec 2011, at 22:38, Dave Whitla wrote:

> Thanks Jon.
> 
> I was thinking about doing it myself. I'll take a look at what Rob has done so far.
> My only concern is that it will likely make assumptions about SYSV init being the principal run control system and that it's OK to take interfaces down.

If you enable the daemon as it's currently being written, it will own the configuration of networking on the box, and will indeed not play nicely with other things. The primary motivation for this is to make things work for XCP the distro - the embedded platform. It coincidentally will fix the problem that none of the current networking scripts will work with debian, but it will still be of the mindset that it is the sole thing that fiddles with networks on the system. The concession for other use cases is currently the ability to turn it off :-)

> I prefer my Pacemaker cluster solution (which I have invested a lot of time in) to XCP's reinvention of all the wheels. In this scenario Pacemaker will detect networks going down as a system failure and will fence the host unless I'm provided a way to integrate the two.

The daemon is using json rpc to talk to xapi. It shouldn't be too hard to write a different one, though the obvious problem there is lack of documentation. I recommend talking to Rob about it for now, or asking on the IRC channel. We've got a nice IDL defining these interfaces (nice if you like ocaml, that is), but producing documentation from it isn't yet sorted. It's on the to-do list.

> So a robust solution really needs to be modular and pluggable if you want to support simply adding xapi to existing platforms.
> 

Yes.

> Incidentally I've noticed that when the service names were changed to be prefixed with xcp- none of the supporting libraries of scripts were updated.
> Is there some way we can get this stuff out in he open where I can check out and iteratively fix-build-deploy-test.

As I said before, xapi-autobuilder is how we're building this stuff, but it's all normal debian packages. apt-get source xcp-xapi, and fire off the patches :-)

> I'm really under the pump to get this stuff working in our own deployment and I don't have time to sit around and wait for other people to fix stuff which I can do myself.
> If you can't check out the source and fix bugs then it's not really open source.
> 
> Dave
> 
> On 21/12/2011, at 1:50 AM, Jonathan Ludlam wrote:
> 
>> The problem is that the network scripts that are used in XCP are designed to work with Centos style ifcfg scripts, not /etc/network/interfaces. The script /usr/lib/xcp/lib/interface-reconfigure was no-opified in order to prevent it screwing up anything.
>> 
>> Rob Hoes is working on a new platform independent network control daemon that will replace this mechanism for XCP/XenServer - we'll provide an option to use it with Debian/Ubuntu too.  Unfortunately it's not quite ready to go yet, but he's feverishly working on it, ETA before the end of the year I hope!
>> 
>> You can check his progress here: https://github.com/robhoes/xen-api/tree/net
>> 
>> Jon
>> 
>> On 20 Dec 2011, at 06:28, Dave Whitla wrote:
>> 
>>> Update:
>>> 
>>> /usr/lib/xcp/lib/interface-reconfigure is a no-op.
>>> And the reason it fails silently is (from /usr/lib/xcp/bin/xe-reset-networking):
>>> 
>>> os.system(interface_reconfigure + if_args + ' >/dev/null 2>/dev/null')
>>> 
>>> 
>>> On 20/12/2011, at 4:05 PM, Dave Whitla wrote:
>>> 
>>>> After much pain I managed to get a bonded management interface on my pool master.
>>>> I then, following the advice of the XenServer 6.0 Administrator's Guide, configured the bonded interface for VM traffic before adding any pool slaves.
>>>> I then cleanly installed two machines (Debian Wheezy + Open vSwitch + xcp packages from the xcp unstable repo).
>>>> When I joined the new slaves to the pool the bonds were reversed bond0 was attached to the wrong network as xapi1 instead of xapi0 so I was unable to make bond0 the management interface as it has no IP.
>>>> I've now tried every possible combination over the last 24 hours to get this working.
>>>> 
>>>> None of the network related xe tools work - they all barf with exceptions.
>>>> The Xencenter UI won't let me delete networks, bonds or anything else.
>>>> I can't remove the broken machines from the pool.
>>>> The whole things a bit of a mess.
>>>> 
>>>> Has anyone tested bonded networking?
>>>> Incidentally, in arriving at my present situation I discovered that the bridge names xenbr# and xapi# are hard-coded somewhere so it is necessary to create bridges of the same same in /etc/network/interfaces.
>>>> Why a bridge is required for the management interface at all beats me.
>>>> xe host-management-reconfigure never works because the interface you are switching to can't possibly have an IP yet - because what you are trying to do is migrate the IP from eth0 to bond0 (xenbr0 to xapi0 is required by xapi).
>>>> It would seem as though some library behind xe is silently failing to reconfigure host networking correctly.
>>>> Being fluent in about a dozen programming languages, but none of them OCaml, I have no idea where to start looking.
>>>> 
>>>> I'd be very grateful for any assistance.
>>>> Sorry if this sounds more like a whine than a plea for help - I'm frazzled after 24 hours straight beating my head against the desktop.
>>>> 
>>>> Dave
>>>> _______________________________________________
>>>> xen-api mailing list
>>>> xen-api@lists.xensource.com
>>>> http://lists.xensource.com/mailman/listinfo/xen-api
>>> 
>>> 
>>> _______________________________________________
>>> xen-api mailing list
>>> xen-api@lists.xensource.com
>>> http://lists.xensource.com/mailman/listinfo/xen-api
>> 
> 


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On 21/12/11 03:10, Fajar A. Nugraha wrote:
> On Wed, Dec 21, 2011 at 2:39 AM, Mike McClurg <mike.mcclurg@citrix.com> wrote:
>> Storage motion is something that we are prototyping for XCP/XenServer.
>> It will not be a part of the Xen hypervisor. We'll probably start more
>> work on the prototype in January, and we'll post details of our
>> implementation plan to this list.
> 
> Is still based on drbd and tap, as in the wiki page? If yes, it'd be
> ... interesting (to say the least) to see how these issues will be
> handled:
> - space for drbd metadata:
> http://www.drbd.org/users-guide/ch-internals.html#s-metadata
> - performance penalty and choice of replication modes:
> http://www.drbd.org/users-guide-emb/s-replication-protocols.html
> - general tap issues (qdisk vs module, vanilla vs patched 2.6.32, etc.)
> 

Thanks for those links. No, the current plan is not to use DRBD, though
I can't remember the reasons that Dave decided against it.

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On 21/12/11 03:10, Fajar A. Nugraha wrote:
> On Wed, Dec 21, 2011 at 2:39 AM, Mike McClurg <mike.mcclurg@citrix.com> wrote:
>> Storage motion is something that we are prototyping for XCP/XenServer.
>> It will not be a part of the Xen hypervisor. We'll probably start more
>> work on the prototype in January, and we'll post details of our
>> implementation plan to this list.
> 
> Is still based on drbd and tap, as in the wiki page? If yes, it'd be
> ... interesting (to say the least) to see how these issues will be
> handled:
> - space for drbd metadata:
> http://www.drbd.org/users-guide/ch-internals.html#s-metadata
> - performance penalty and choice of replication modes:
> http://www.drbd.org/users-guide-emb/s-replication-protocols.html
> - general tap issues (qdisk vs module, vanilla vs patched 2.6.32, etc.)
> 

Thanks for those links. No, the current plan is not to use DRBD, though
I can't remember the reasons that Dave decided against it.

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(CC'ing xen-api, since this is useful for everyone)

On 21/12/11 03:22, Outback Dingo wrote:
> Heres a patch from the latest git tree i pulled for the XFS / EXT4 work attached
> 
> Ive got it running on kronos without issues at the moment, and VMs are running
> 
> patch attached.. thanks guys.

Very cool! For everyone on the list, Outback Dingo wrote a wiki page
describing how this works:
http://wiki.xen.org/wiki/Creating_a_LVM_backed_XFS_SR

Outback Dingo, I saw in my IRC logs from last night that you wanted
commit privileges. The nice thing about hosting our code on github is
that you don't need to be given commit privileges in order to contribute
to XCP.

Create a github account. Go to my github page, and fork the
xcp-storage-managers repository. Clone the repo to your local box, make
the changes, and push back to github.

Then you can create a pull request, which will basically ask me to pull
your changes into my repo. Anyone can create a pull request, and any of
the commiters can then pull and commit the change, if it passes review.

Since the XCP toolstack and XenServer are the same code base, we will
need to do some work to make sure that additional features like these
are installed in XCP, and not in XenServer - as a dev, I can decide what
goes into XCP, but not what goes into XenServer.

So, as an experiment, why don't you try submitting your code as a pull
request to my github repo? This is the process that all of our internal
devs use, and this is how we'd like to start accepting external
contributions as well. Please let me know if you run into any issues!

Mike

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(CC'ing xen-api, since this is useful for everyone)

On 21/12/11 03:22, Outback Dingo wrote:
> Heres a patch from the latest git tree i pulled for the XFS / EXT4 work attached
> 
> Ive got it running on kronos without issues at the moment, and VMs are running
> 
> patch attached.. thanks guys.

Very cool! For everyone on the list, Outback Dingo wrote a wiki page
describing how this works:
http://wiki.xen.org/wiki/Creating_a_LVM_backed_XFS_SR

Outback Dingo, I saw in my IRC logs from last night that you wanted
commit privileges. The nice thing about hosting our code on github is
that you don't need to be given commit privileges in order to contribute
to XCP.

Create a github account. Go to my github page, and fork the
xcp-storage-managers repository. Clone the repo to your local box, make
the changes, and push back to github.

Then you can create a pull request, which will basically ask me to pull
your changes into my repo. Anyone can create a pull request, and any of
the commiters can then pull and commit the change, if it passes review.

Since the XCP toolstack and XenServer are the same code base, we will
need to do some work to make sure that additional features like these
are installed in XCP, and not in XenServer - as a dev, I can decide what
goes into XCP, but not what goes into XenServer.

So, as an experiment, why don't you try submitting your code as a pull
request to my github repo? This is the process that all of our internal
devs use, and this is how we'd like to start accepting external
contributions as well. Please let me know if you run into any issues!

Mike

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Syslog shows a lot of lines like

fe: 23261 (/opt/xensource/sm/LVMoISCSISR 
<methodCall><methodName>vdi_deactivate</methodN...) exitted with code 0

I've never seen that with XCP-1.0. Is there a chance to disable that?

Thanks
Christian

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Syslog shows a lot of lines like

fe: 23261 (/opt/xensource/sm/LVMoISCSISR 
<methodCall><methodName>vdi_deactivate</methodN...) exitted with code 0

I've never seen that with XCP-1.0. Is there a chance to disable that?

Thanks
Christian

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From xen-api-bounces@lists.xensource.com Wed Dec 21 10:25:13 2011
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Hi folks,

Just did an apt-get update to the latest version and got the following 
error;

Setting up xcp-guest-templates (0.1-3) ...
touch: cannot touch `/usr/lib/xen-common/xapi/CREATE_TEMPLATES_STAMP': 
No such file or directory
dpkg: error processing xcp-guest-templates (--configure):
subprocess installed post-installation script returned error exit status 1
configured to not write apport reports
Errors were encountered while processing:
xcp-guest-templates

mkdir /usr/lib/xen-common/xapi fixes the issue.

Regards

DAVE


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Hi folks,

Just did an apt-get update to the latest version and got the following 
error;

Setting up xcp-guest-templates (0.1-3) ...
touch: cannot touch `/usr/lib/xen-common/xapi/CREATE_TEMPLATES_STAMP': 
No such file or directory
dpkg: error processing xcp-guest-templates (--configure):
subprocess installed post-installation script returned error exit status 1
configured to not write apport reports
Errors were encountered while processing:
xcp-guest-templates

mkdir /usr/lib/xen-common/xapi fixes the issue.

Regards

DAVE


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On 20/12/11 22:38, Dave Whitla wrote:
<snip>
> If you can't check out the source and fix bugs then it's not really open source.
> 

Just so we're clear: XCP is open source, and the source code for the XCP
toolstack is publicly available on Github. Here are links.

- https://github.com/xen-org

This is the main repository for Xapi and related code. This is where the
toolstack team does all of its development. You can find each of our
team member's personal repositories linked from that page.

- https://github.com/jonludlam

This is our main repository for the "Kronos" code. You can find the
debian package branches here. These are also mirrored on debian.org,
though I don't have the link handy.

- https://github.com/jonludlam/xapi-autobuilder

This is our build system for the XCP toolstack Debian packages. A simple
'make' will build all of the required packages in chroots. This is
probably not the workflow that you'd prefer, but reading the makefiles
and build scripts will be informative as to how you might go about
building your own system.

- http://honk.sigxcpu.org/projects/git-buildpackage/manual-html/gbp.html

All our debian branches are set up to be buildable with
git-buildpackage. Highly recommended.

Mike

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On 20/12/11 22:38, Dave Whitla wrote:
<snip>
> If you can't check out the source and fix bugs then it's not really open source.
> 

Just so we're clear: XCP is open source, and the source code for the XCP
toolstack is publicly available on Github. Here are links.

- https://github.com/xen-org

This is the main repository for Xapi and related code. This is where the
toolstack team does all of its development. You can find each of our
team member's personal repositories linked from that page.

- https://github.com/jonludlam

This is our main repository for the "Kronos" code. You can find the
debian package branches here. These are also mirrored on debian.org,
though I don't have the link handy.

- https://github.com/jonludlam/xapi-autobuilder

This is our build system for the XCP toolstack Debian packages. A simple
'make' will build all of the required packages in chroots. This is
probably not the workflow that you'd prefer, but reading the makefiles
and build scripts will be informative as to how you might go about
building your own system.

- http://honk.sigxcpu.org/projects/git-buildpackage/manual-html/gbp.html

All our debian branches are set up to be buildable with
git-buildpackage. Highly recommended.

Mike

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Subject: [Xen-API] [XCP][BUG] minor glitch in opaqref data in xenstore
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Good day.

Found slightly strange behavior (not really a bug):

XCP 1.1
xapi not always clear /xapi/domid/private/vbd/(devicenum) after device 
unplugging.

Steps to reproduce:

1. attach device 1 to VM,
2. detach it.
3. xenstore-ls /xapi/domid/private/vbd

Expected:
  no data about unplugged vbd

Got:
  the unplugged vbd OpaqueRef is still in xenstore.

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Subject: [Xen-API] [XCP][BUG] minor glitch in opaqref data in xenstore
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Good day.

Found slightly strange behavior (not really a bug):

XCP 1.1
xapi not always clear /xapi/domid/private/vbd/(devicenum) after device 
unplugging.

Steps to reproduce:

1. attach device 1 to VM,
2. detach it.
3. xenstore-ls /xapi/domid/private/vbd

Expected:
  no data about unplugged vbd

Got:
  the unplugged vbd OpaqueRef is still in xenstore.

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I am re-installing XCP 1.1 via ISO and it looks like it can't find the 
raid controller driver because it's listing all the drives individually.

Since I am not very familiar with the Linux side of Raid, do I need to 
download the Linux driver (if there is even one available) and put it on 
a floppy like Windows?

Motherboard = ASUS M5A97EVO
RAID Controller AMD SB950 chipset

Raid type = 1+0 *aka raid 10


On 12/21/11 9:18 AM, George Shuklin wrote:
> Good day.
>
> Found slightly strange behavior (not really a bug):
>
> XCP 1.1
> xapi not always clear /xapi/domid/private/vbd/(devicenum) after device 
> unplugging.
>
> Steps to reproduce:
>
> 1. attach device 1 to VM,
> 2. detach it.
> 3. xenstore-ls /xapi/domid/private/vbd
>
> Expected:
>  no data about unplugged vbd
>
> Got:
>  the unplugged vbd OpaqueRef is still in xenstore.
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api
>


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I am re-installing XCP 1.1 via ISO and it looks like it can't find the 
raid controller driver because it's listing all the drives individually.

Since I am not very familiar with the Linux side of Raid, do I need to 
download the Linux driver (if there is even one available) and put it on 
a floppy like Windows?

Motherboard = ASUS M5A97EVO
RAID Controller AMD SB950 chipset

Raid type = 1+0 *aka raid 10


On 12/21/11 9:18 AM, George Shuklin wrote:
> Good day.
>
> Found slightly strange behavior (not really a bug):
>
> XCP 1.1
> xapi not always clear /xapi/domid/private/vbd/(devicenum) after device 
> unplugging.
>
> Steps to reproduce:
>
> 1. attach device 1 to VM,
> 2. detach it.
> 3. xenstore-ls /xapi/domid/private/vbd
>
> Expected:
>  no data about unplugged vbd
>
> Got:
>  the unplugged vbd OpaqueRef is still in xenstore.
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api
>


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On 22.12.2011 00:45, Scott Zupek wrote:
> I am re-installing XCP 1.1 via ISO and it looks like it can't find the 
> raid controller driver because it's listing all the drives individually.
>
> Since I am not very familiar with the Linux side of Raid, do I need to 
> download the Linux driver (if there is even one available) and put it 
> on a floppy like Windows?
>
> Motherboard = ASUS M5A97EVO
> RAID Controller AMD SB950 chipset
>
> Raid type = 1+0 *aka raid 10

First, please, never reply to maillist with new topic, you causing wrong 
thread ordering of messages. If you wish to start new topic, just write 
it to maillist address.

Second, there is two issues:

1) Don't use fake raid under linux. Linux has perfect software raid, 
which much more reliable and much less troublemaking, compare to fake 
raid (you device is fake raid, because it don't actually do anything 
with drives).
2) Sad to say, but XCP have very serious issues with raid support. We 
using software raid with XCP in our company, but we created very 
specifically crafted ISO image with lots ad-hoc fixes and hacks. I can't 
recommend do this to anyone, who don't really deep enough in XCP to do 
this by himself.

So, you have to opportunities:
a) use real hardware raid (to get raid array as  /dev/sda).
b) Do not use raid in anyway (configure fake raid to HBA mode) - use 
external storage and don't bother for XCP system drive. If host die, no 
data will be lost.



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On 22.12.2011 00:45, Scott Zupek wrote:
> I am re-installing XCP 1.1 via ISO and it looks like it can't find the 
> raid controller driver because it's listing all the drives individually.
>
> Since I am not very familiar with the Linux side of Raid, do I need to 
> download the Linux driver (if there is even one available) and put it 
> on a floppy like Windows?
>
> Motherboard = ASUS M5A97EVO
> RAID Controller AMD SB950 chipset
>
> Raid type = 1+0 *aka raid 10

First, please, never reply to maillist with new topic, you causing wrong 
thread ordering of messages. If you wish to start new topic, just write 
it to maillist address.

Second, there is two issues:

1) Don't use fake raid under linux. Linux has perfect software raid, 
which much more reliable and much less troublemaking, compare to fake 
raid (you device is fake raid, because it don't actually do anything 
with drives).
2) Sad to say, but XCP have very serious issues with raid support. We 
using software raid with XCP in our company, but we created very 
specifically crafted ISO image with lots ad-hoc fixes and hacks. I can't 
recommend do this to anyone, who don't really deep enough in XCP to do 
this by himself.

So, you have to opportunities:
a) use real hardware raid (to get raid array as  /dev/sda).
b) Do not use raid in anyway (configure fake raid to HBA mode) - use 
external storage and don't bother for XCP system drive. If host die, no 
data will be lost.



_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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Sorry for the reply and not changing the topic, that was sucky of me.  
My apologies please.

So if software raid, wont hinder performance and since I already have 
these 4 drives to run Raid, could I boot into Debian Live and run the 
software raid and install Xen Hypervisor on that?  True I don't get the 
added benefits of the DOM0 w/ XCP, but it's still (once fully 
configured) a stand alone server that I don't have to worry much about.

Unforunately, I thought it was read Raid like the nForce controller, but 
apparently AMD got me on this one. I just bought the Motherboard and CPU 
(8 core, but it looks like the DOM0 only detects 5 threads, so maybe I 
am better off with the 6 core one I have).

So to run Xen Hypervisor + XCP(??) to manage, would I still get the same 
results as running the ISO hypervisor version? (maybe not AS fast)?

Thank you for your time. Should I be using a different thread / mailing 
list for this question?

Scott




On 12/21/11 3:17 PM, George Shuklin wrote:
>
>
> On 22.12.2011 00:45, Scott Zupek wrote:
>> I am re-installing XCP 1.1 via ISO and it looks like it can't find 
>> the raid controller driver because it's listing all the drives 
>> individually.
>>
>> Since I am not very familiar with the Linux side of Raid, do I need 
>> to download the Linux driver (if there is even one available) and put 
>> it on a floppy like Windows?
>>
>> Motherboard = ASUS M5A97EVO
>> RAID Controller AMD SB950 chipset
>>
>> Raid type = 1+0 *aka raid 10
>
> First, please, never reply to maillist with new topic, you causing 
> wrong thread ordering of messages. If you wish to start new topic, 
> just write it to maillist address.
>
> Second, there is two issues:
>
> 1) Don't use fake raid under linux. Linux has perfect software raid, 
> which much more reliable and much less troublemaking, compare to fake 
> raid (you device is fake raid, because it don't actually do anything 
> with drives).
> 2) Sad to say, but XCP have very serious issues with raid support. We 
> using software raid with XCP in our company, but we created very 
> specifically crafted ISO image with lots ad-hoc fixes and hacks. I 
> can't recommend do this to anyone, who don't really deep enough in XCP 
> to do this by himself.
>
> So, you have to opportunities:
> a) use real hardware raid (to get raid array as  /dev/sda).
> b) Do not use raid in anyway (configure fake raid to HBA mode) - use 
> external storage and don't bother for XCP system drive. If host die, 
> no data will be lost.
>
>
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api
>


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Sorry for the reply and not changing the topic, that was sucky of me.  
My apologies please.

So if software raid, wont hinder performance and since I already have 
these 4 drives to run Raid, could I boot into Debian Live and run the 
software raid and install Xen Hypervisor on that?  True I don't get the 
added benefits of the DOM0 w/ XCP, but it's still (once fully 
configured) a stand alone server that I don't have to worry much about.

Unforunately, I thought it was read Raid like the nForce controller, but 
apparently AMD got me on this one. I just bought the Motherboard and CPU 
(8 core, but it looks like the DOM0 only detects 5 threads, so maybe I 
am better off with the 6 core one I have).

So to run Xen Hypervisor + XCP(??) to manage, would I still get the same 
results as running the ISO hypervisor version? (maybe not AS fast)?

Thank you for your time. Should I be using a different thread / mailing 
list for this question?

Scott




On 12/21/11 3:17 PM, George Shuklin wrote:
>
>
> On 22.12.2011 00:45, Scott Zupek wrote:
>> I am re-installing XCP 1.1 via ISO and it looks like it can't find 
>> the raid controller driver because it's listing all the drives 
>> individually.
>>
>> Since I am not very familiar with the Linux side of Raid, do I need 
>> to download the Linux driver (if there is even one available) and put 
>> it on a floppy like Windows?
>>
>> Motherboard = ASUS M5A97EVO
>> RAID Controller AMD SB950 chipset
>>
>> Raid type = 1+0 *aka raid 10
>
> First, please, never reply to maillist with new topic, you causing 
> wrong thread ordering of messages. If you wish to start new topic, 
> just write it to maillist address.
>
> Second, there is two issues:
>
> 1) Don't use fake raid under linux. Linux has perfect software raid, 
> which much more reliable and much less troublemaking, compare to fake 
> raid (you device is fake raid, because it don't actually do anything 
> with drives).
> 2) Sad to say, but XCP have very serious issues with raid support. We 
> using software raid with XCP in our company, but we created very 
> specifically crafted ISO image with lots ad-hoc fixes and hacks. I 
> can't recommend do this to anyone, who don't really deep enough in XCP 
> to do this by himself.
>
> So, you have to opportunities:
> a) use real hardware raid (to get raid array as  /dev/sda).
> b) Do not use raid in anyway (configure fake raid to HBA mode) - use 
> external storage and don't bother for XCP system drive. If host die, 
> no data will be lost.
>
>
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api
>


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From xen-api-bounces@lists.xensource.com Wed Dec 21 23:24:06 2011
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Hi Scott,

Looks like a thread hijack - sorry George.

The onboard SB950 is what is known as a "fakeraid" chip. Because it isn't true hardware raid it doesn't present to the OS as a single device.
Don't waste your time trying to use the vendor-supplied linux driver for this chip - there are many problems with this approach, some of them listed here https://raid.wiki.kernel.org/ .
I don't know what support exists in the XCP installer for software raid, but it is possible to build a software raid set (RAID1 or mirrored) from an existing single disk provided you have two preferably identical SATA drives.
I suspect XCP does support md devices in the installer and its probably just a nomenclature issue and you didn't know what to look for.
If the XCP installer doesn't support sotware raid your best bet might be to install XCP on the first disk and then build the raid set after the fact.

This link should get you started https://raid.wiki.kernel.org/articles/s/a/t/SATA_RAID_Boot_Recipe_9dc2.html

When booting from a raid set you'll need to ensure the md_mod and raid1 (if thats what raid level you want) modules are loaded at boot time. They'll need to be present in your initramfs. GRUB has built in support for booting from software raid.

Dave


On 22/12/2011, at 6:45 AM, Scott Zupek wrote:

> I am re-installing XCP 1.1 via ISO and it looks like it can't find the raid controller driver because it's listing all the drives individually.
> 
> Since I am not very familiar with the Linux side of Raid, do I need to download the Linux driver (if there is even one available) and put it on a floppy like Windows?
> 
> Motherboard = ASUS M5A97EVO
> RAID Controller AMD SB950 chipset
> 
> Raid type = 1+0 *aka raid 10
> 
> 
> On 12/21/11 9:18 AM, George Shuklin wrote:
>> Good day.
>> 
>> Found slightly strange behavior (not really a bug):
>> 
>> XCP 1.1
>> xapi not always clear /xapi/domid/private/vbd/(devicenum) after device unplugging.
>> 
>> Steps to reproduce:
>> 
>> 1. attach device 1 to VM,
>> 2. detach it.
>> 3. xenstore-ls /xapi/domid/private/vbd
>> 
>> Expected:
>> no data about unplugged vbd
>> 
>> Got:
>> the unplugged vbd OpaqueRef is still in xenstore.
>> 
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api
>> 
> 
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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From xen-api-bounces@lists.xensource.com Wed Dec 21 23:24:06 2011
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Hi Scott,

Looks like a thread hijack - sorry George.

The onboard SB950 is what is known as a "fakeraid" chip. Because it isn't true hardware raid it doesn't present to the OS as a single device.
Don't waste your time trying to use the vendor-supplied linux driver for this chip - there are many problems with this approach, some of them listed here https://raid.wiki.kernel.org/ .
I don't know what support exists in the XCP installer for software raid, but it is possible to build a software raid set (RAID1 or mirrored) from an existing single disk provided you have two preferably identical SATA drives.
I suspect XCP does support md devices in the installer and its probably just a nomenclature issue and you didn't know what to look for.
If the XCP installer doesn't support sotware raid your best bet might be to install XCP on the first disk and then build the raid set after the fact.

This link should get you started https://raid.wiki.kernel.org/articles/s/a/t/SATA_RAID_Boot_Recipe_9dc2.html

When booting from a raid set you'll need to ensure the md_mod and raid1 (if thats what raid level you want) modules are loaded at boot time. They'll need to be present in your initramfs. GRUB has built in support for booting from software raid.

Dave


On 22/12/2011, at 6:45 AM, Scott Zupek wrote:

> I am re-installing XCP 1.1 via ISO and it looks like it can't find the raid controller driver because it's listing all the drives individually.
> 
> Since I am not very familiar with the Linux side of Raid, do I need to download the Linux driver (if there is even one available) and put it on a floppy like Windows?
> 
> Motherboard = ASUS M5A97EVO
> RAID Controller AMD SB950 chipset
> 
> Raid type = 1+0 *aka raid 10
> 
> 
> On 12/21/11 9:18 AM, George Shuklin wrote:
>> Good day.
>> 
>> Found slightly strange behavior (not really a bug):
>> 
>> XCP 1.1
>> xapi not always clear /xapi/domid/private/vbd/(devicenum) after device unplugging.
>> 
>> Steps to reproduce:
>> 
>> 1. attach device 1 to VM,
>> 2. detach it.
>> 3. xenstore-ls /xapi/domid/private/vbd
>> 
>> Expected:
>> no data about unplugged vbd
>> 
>> Got:
>> the unplugged vbd OpaqueRef is still in xenstore.
>> 
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api
>> 
> 
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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Hi, Dave,

Thanks for your information.

It seems that CrossPoolMigratioon is more like a storage management
tool than virtual machine itself. Is this the reason you plan to
implement it on XCP/Xenserver rather than Xen hypervisor?

Right now, I need CrossPoolMigratioon function on Xen so that I can do
some research on virtual storage. Is it doable on Xen hypervisor? Or I
need some function/API from XCP/Xenserver?

My plan is close to this link http://wiki.xen.org/wiki/CrossPoolMigrationv1.

Do you have any suggestions?

Thank you very much for helping me.

-- 
With warm regards,

University of Florida,
Ruijin Zhou
zhourj@ufl.edu

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Hi, Dave,

Thanks for your information.

It seems that CrossPoolMigratioon is more like a storage management
tool than virtual machine itself. Is this the reason you plan to
implement it on XCP/Xenserver rather than Xen hypervisor?

Right now, I need CrossPoolMigratioon function on Xen so that I can do
some research on virtual storage. Is it doable on Xen hypervisor? Or I
need some function/API from XCP/Xenserver?

My plan is close to this link http://wiki.xen.org/wiki/CrossPoolMigrationv1.

Do you have any suggestions?

Thank you very much for helping me.

-- 
With warm regards,

University of Florida,
Ruijin Zhou
zhourj@ufl.edu

_______________________________________________
xen-api mailing list
xen-api@lists.xensource.com
http://lists.xensource.com/mailman/listinfo/xen-api

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From: Medhavini Buchade <medhavini1991@gmail.com>
To: xen-api <xen-api@lists.xensource.com>
Subject: [Xen-API] Problem regarding Debian Lenny 5.0 installation on XCP
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Hello everyone,

I was trying to install Debian lenny 5.0 VM on XCP 1.0 using vm-install and
then using repository http://ftp.debian.org <http://ftp.debian.org/debian>.
But it is giving me an error as invalid_source and it is unable to access
the file vmlinuz.
Is there a problem with the debian site or with my XCP?? I even tried
using  http://ftp.debian.org/debian, but this didnt work as well.

Please let me know if I am going wrong somewhere as I am stuck here.

--000e0cd6725ad5a49204b4ab316a
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<div>Hello everyone,</div><div>=A0</div><div>I was trying to install Debian=
 lenny 5.0 VM on XCP 1.0 using vm-install and then using repository <a href=
=3D"http://ftp.debian.org/debian">http://ftp.debian.org</a>. But it is givi=
ng me an error as invalid_source and it is unable to access the file vmlinu=
z.</div>
<div>Is there a problem with the debian site or with my XCP??=A0I even trie=
d using=A0=A0<a href=3D"http://ftp.debian.org/debian">http://ftp.debian.org=
/debian</a>, but this didnt work as well.</div><div>=A0</div><div>Please le=
t me know if I am going wrong somewhere as I am stuck here.</div>

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Hello everyone,

I was trying to install Debian lenny 5.0 VM on XCP 1.0 using vm-install and
then using repository http://ftp.debian.org <http://ftp.debian.org/debian>.
But it is giving me an error as invalid_source and it is unable to access
the file vmlinuz.
Is there a problem with the debian site or with my XCP?? I even tried
using  http://ftp.debian.org/debian, but this didnt work as well.

Please let me know if I am going wrong somewhere as I am stuck here.

--000e0cd6725ad5a49204b4ab316a
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<div>Hello everyone,</div><div>=A0</div><div>I was trying to install Debian=
 lenny 5.0 VM on XCP 1.0 using vm-install and then using repository <a href=
=3D"http://ftp.debian.org/debian">http://ftp.debian.org</a>. But it is givi=
ng me an error as invalid_source and it is unable to access the file vmlinu=
z.</div>
<div>Is there a problem with the debian site or with my XCP??=A0I even trie=
d using=A0=A0<a href=3D"http://ftp.debian.org/debian">http://ftp.debian.org=
/debian</a>, but this didnt work as well.</div><div>=A0</div><div>Please le=
t me know if I am going wrong somewhere as I am stuck here.</div>

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From xen-api-bounces@lists.xensource.com Thu Dec 22 09:56:13 2011
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From: Dave Scott <Dave.Scott@eu.citrix.com>
To: Ruijin Zhou <zhouruijin2010@gmail.com>
Date: Thu, 22 Dec 2011 09:56:00 +0000
Thread-Topic: [Xen-API] CrossPoolMigration
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Hi Ruijin,

In XCP cross-pool migration definitely requires some extra storage magic, since storage can only be shared within a pool.

If you are using vanilla xen then the storage is more under your direct control. This is both good and bad: you have the ultimate in flexibility but you also have to do a lot of stuff yourself.

If your research is mostly on the storage datapath then I would recommend you write a tapdisk plugin (like the ones for .vhd support, mirroring etc) and test it by manually setting up a tapdisk device with "tap-ctl". If you would like to present it as "globally shared storage" to lots of hosts/ pools then you could probably write a storage plugin for XCP... As part of the cross pool migrate/ storage migrate I'm working on a version 2 of the XCP storage control interface. I'd like to publish an early draft of an API in the new year, your feedback would be welcome.

Cheers,
-- 
Dave Scott

On Dec 22, 2011, at 3:03 AM, "Ruijin Zhou" <zhouruijin2010@gmail.com> wrote:

> Hi, Dave,
> 
> Thanks for your information.
> 
> It seems that CrossPoolMigratioon is more like a storage management
> tool than virtual machine itself. Is this the reason you plan to
> implement it on XCP/Xenserver rather than Xen hypervisor?
> 
> Right now, I need CrossPoolMigratioon function on Xen so that I can do
> some research on virtual storage. Is it doable on Xen hypervisor? Or I
> need some function/API from XCP/Xenserver?
> 
> My plan is close to this link http://wiki.xen.org/wiki/CrossPoolMigrationv1.
> 
> Do you have any suggestions?
> 
> Thank you very much for helping me.
> 
> -- 
> With warm regards,
> 
> University of Florida,
> Ruijin Zhou
> zhourj@ufl.edu
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api

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From xen-api-bounces@lists.xensource.com Thu Dec 22 09:56:13 2011
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From: Dave Scott <Dave.Scott@eu.citrix.com>
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Hi Ruijin,

In XCP cross-pool migration definitely requires some extra storage magic, since storage can only be shared within a pool.

If you are using vanilla xen then the storage is more under your direct control. This is both good and bad: you have the ultimate in flexibility but you also have to do a lot of stuff yourself.

If your research is mostly on the storage datapath then I would recommend you write a tapdisk plugin (like the ones for .vhd support, mirroring etc) and test it by manually setting up a tapdisk device with "tap-ctl". If you would like to present it as "globally shared storage" to lots of hosts/ pools then you could probably write a storage plugin for XCP... As part of the cross pool migrate/ storage migrate I'm working on a version 2 of the XCP storage control interface. I'd like to publish an early draft of an API in the new year, your feedback would be welcome.

Cheers,
-- 
Dave Scott

On Dec 22, 2011, at 3:03 AM, "Ruijin Zhou" <zhouruijin2010@gmail.com> wrote:

> Hi, Dave,
> 
> Thanks for your information.
> 
> It seems that CrossPoolMigratioon is more like a storage management
> tool than virtual machine itself. Is this the reason you plan to
> implement it on XCP/Xenserver rather than Xen hypervisor?
> 
> Right now, I need CrossPoolMigratioon function on Xen so that I can do
> some research on virtual storage. Is it doable on Xen hypervisor? Or I
> need some function/API from XCP/Xenserver?
> 
> My plan is close to this link http://wiki.xen.org/wiki/CrossPoolMigrationv1.
> 
> Do you have any suggestions?
> 
> Thank you very much for helping me.
> 
> -- 
> With warm regards,
> 
> University of Florida,
> Ruijin Zhou
> zhourj@ufl.edu
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api

_______________________________________________
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On 22/12/11 09:47, Medhavini Buchade wrote:
> Hello everyone,
>  
> I was trying to install Debian lenny 5.0 VM on XCP 1.0 using vm-install
> and then using repository http://ftp.debian.org
> <http://ftp.debian.org/debian>. But it is giving me an error as
> invalid_source and it is unable to access the file vmlinuz.
> Is there a problem with the debian site or with my XCP?? I even tried
> using  http://ftp.debian.org/debian, but this didnt work as well.
>  
> Please let me know if I am going wrong somewhere as I am stuck here.

Hi Medhavini,

http://ftp.debian.org/debian should be the right repository. Try doing a
'xe vm-uninstall' on your vm, and then start over with the right
repository url.

If you still have problems, please post the exact error messages here.
Don't just say "this didn't work."

Mike

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On 22/12/11 09:47, Medhavini Buchade wrote:
> Hello everyone,
>  
> I was trying to install Debian lenny 5.0 VM on XCP 1.0 using vm-install
> and then using repository http://ftp.debian.org
> <http://ftp.debian.org/debian>. But it is giving me an error as
> invalid_source and it is unable to access the file vmlinuz.
> Is there a problem with the debian site or with my XCP?? I even tried
> using  http://ftp.debian.org/debian, but this didnt work as well.
>  
> Please let me know if I am going wrong somewhere as I am stuck here.

Hi Medhavini,

http://ftp.debian.org/debian should be the right repository. Try doing a
'xe vm-uninstall' on your vm, and then start over with the right
repository url.

If you still have problems, please post the exact error messages here.
Don't just say "this didn't work."

Mike

_______________________________________________
xen-api mailing list
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http://lists.xensource.com/mailman/listinfo/xen-api

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On 21/12/11 10:24, Dave Marples wrote:
> Hi folks,
> 
> Just did an apt-get update to the latest version and got the following 
> error;
> 
> Setting up xcp-guest-templates (0.1-3) ...
> touch: cannot touch `/usr/lib/xen-common/xapi/CREATE_TEMPLATES_STAMP': 
> No such file or directory
> dpkg: error processing xcp-guest-templates (--configure):
> subprocess installed post-installation script returned error exit status 1
> configured to not write apport reports
> Errors were encountered while processing:
> xcp-guest-templates
> 
> mkdir /usr/lib/xen-common/xapi fixes the issue.
> 

Thanks for reporting that, Dave. The postinst script that tried to touch
that file should have been removed a week or two ago, but wasn't. I've
fixed the issue, and will create a new xcp-guest-template deb in our
xen.org debian archive. Should be there in an hour or so.

Mike

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On 21/12/11 10:24, Dave Marples wrote:
> Hi folks,
> 
> Just did an apt-get update to the latest version and got the following 
> error;
> 
> Setting up xcp-guest-templates (0.1-3) ...
> touch: cannot touch `/usr/lib/xen-common/xapi/CREATE_TEMPLATES_STAMP': 
> No such file or directory
> dpkg: error processing xcp-guest-templates (--configure):
> subprocess installed post-installation script returned error exit status 1
> configured to not write apport reports
> Errors were encountered while processing:
> xcp-guest-templates
> 
> mkdir /usr/lib/xen-common/xapi fixes the issue.
> 

Thanks for reporting that, Dave. The postinst script that tried to touch
that file should have been removed a week or two ago, but wasn't. I've
fixed the issue, and will create a new xcp-guest-template deb in our
xen.org debian archive. Should be there in an hour or so.

Mike

_______________________________________________
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> Thanks for reporting that, Dave. The postinst script that tried to touch
> that file should have been removed a week or two ago, but wasn't. I've
> fixed the issue, and will create a new xcp-guest-template deb in our
> xen.org debian archive. Should be there in an hour or so.
> 

Okay, Jon improved our build system more than I thought he had ;) The
new package is built now and uploaded to our debian archive.

Mike

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> Thanks for reporting that, Dave. The postinst script that tried to touch
> that file should have been removed a week or two ago, but wasn't. I've
> fixed the issue, and will create a new xcp-guest-template deb in our
> xen.org debian archive. Should be there in an hour or so.
> 

Okay, Jon improved our build system more than I thought he had ;) The
new package is built now and uploaded to our debian archive.

Mike

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Subject: Re: [Xen-API] XCP + RAID
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You will not gain any performance boost with fake raid - it offload all 
operations on host, this is exactly same as normal software raid. The 
single reason fakeraid exists is 'faking' raid existence for windows, 
may version of it does not support mirroring (all desktops windows, 
f.e.). It have no meaning for linux.

Anyway, I can say one thing: don't do this. Any lowlevel manipulation 
with 'fakeraid' and XCP will make you getting a nasty problems you will 
need to fix by yourself (without community help).

If you playing with XCP - turn 'raid' to 'hba' (sata ahci) in bios and 
use a single drive.

If you wants to use this in product - think about proper hardware. 
nForce is NOT A SERVER solution.

PS XCP supports up to 32 cores, so 8 core shall works fine.

On 22.12.2011 01:30, Scott Zupek wrote:
> Sorry for the reply and not changing the topic, that was sucky of me.  
> My apologies please.
>
> So if software raid, wont hinder performance and since I already have 
> these 4 drives to run Raid, could I boot into Debian Live and run the 
> software raid and install Xen Hypervisor on that?  True I don't get 
> the added benefits of the DOM0 w/ XCP, but it's still (once fully 
> configured) a stand alone server that I don't have to worry much about.
>
> Unforunately, I thought it was read Raid like the nForce controller, 
> but apparently AMD got me on this one. I just bought the Motherboard 
> and CPU (8 core, but it looks like the DOM0 only detects 5 threads, so 
> maybe I am better off with the 6 core one I have).
>
> So to run Xen Hypervisor + XCP(??) to manage, would I still get the 
> same results as running the ISO hypervisor version? (maybe not AS fast)?
>
> Thank you for your time. Should I be using a different thread / 
> mailing list for this question?
>
> Scott
>
>
>
>
> On 12/21/11 3:17 PM, George Shuklin wrote:
>>
>>
>> On 22.12.2011 00:45, Scott Zupek wrote:
>>> I am re-installing XCP 1.1 via ISO and it looks like it can't find 
>>> the raid controller driver because it's listing all the drives 
>>> individually.
>>>
>>> Since I am not very familiar with the Linux side of Raid, do I need 
>>> to download the Linux driver (if there is even one available) and 
>>> put it on a floppy like Windows?
>>>
>>> Motherboard = ASUS M5A97EVO
>>> RAID Controller AMD SB950 chipset
>>>
>>> Raid type = 1+0 *aka raid 10
>>
>> First, please, never reply to maillist with new topic, you causing 
>> wrong thread ordering of messages. If you wish to start new topic, 
>> just write it to maillist address.
>>
>> Second, there is two issues:
>>
>> 1) Don't use fake raid under linux. Linux has perfect software raid, 
>> which much more reliable and much less troublemaking, compare to fake 
>> raid (you device is fake raid, because it don't actually do anything 
>> with drives).
>> 2) Sad to say, but XCP have very serious issues with raid support. We 
>> using software raid with XCP in our company, but we created very 
>> specifically crafted ISO image with lots ad-hoc fixes and hacks. I 
>> can't recommend do this to anyone, who don't really deep enough in 
>> XCP to do this by himself.
>>
>> So, you have to opportunities:
>> a) use real hardware raid (to get raid array as  /dev/sda).
>> b) Do not use raid in anyway (configure fake raid to HBA mode) - use 
>> external storage and don't bother for XCP system drive. If host die, 
>> no data will be lost.
>>
>>
>>
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api
>>
>
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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You will not gain any performance boost with fake raid - it offload all 
operations on host, this is exactly same as normal software raid. The 
single reason fakeraid exists is 'faking' raid existence for windows, 
may version of it does not support mirroring (all desktops windows, 
f.e.). It have no meaning for linux.

Anyway, I can say one thing: don't do this. Any lowlevel manipulation 
with 'fakeraid' and XCP will make you getting a nasty problems you will 
need to fix by yourself (without community help).

If you playing with XCP - turn 'raid' to 'hba' (sata ahci) in bios and 
use a single drive.

If you wants to use this in product - think about proper hardware. 
nForce is NOT A SERVER solution.

PS XCP supports up to 32 cores, so 8 core shall works fine.

On 22.12.2011 01:30, Scott Zupek wrote:
> Sorry for the reply and not changing the topic, that was sucky of me.  
> My apologies please.
>
> So if software raid, wont hinder performance and since I already have 
> these 4 drives to run Raid, could I boot into Debian Live and run the 
> software raid and install Xen Hypervisor on that?  True I don't get 
> the added benefits of the DOM0 w/ XCP, but it's still (once fully 
> configured) a stand alone server that I don't have to worry much about.
>
> Unforunately, I thought it was read Raid like the nForce controller, 
> but apparently AMD got me on this one. I just bought the Motherboard 
> and CPU (8 core, but it looks like the DOM0 only detects 5 threads, so 
> maybe I am better off with the 6 core one I have).
>
> So to run Xen Hypervisor + XCP(??) to manage, would I still get the 
> same results as running the ISO hypervisor version? (maybe not AS fast)?
>
> Thank you for your time. Should I be using a different thread / 
> mailing list for this question?
>
> Scott
>
>
>
>
> On 12/21/11 3:17 PM, George Shuklin wrote:
>>
>>
>> On 22.12.2011 00:45, Scott Zupek wrote:
>>> I am re-installing XCP 1.1 via ISO and it looks like it can't find 
>>> the raid controller driver because it's listing all the drives 
>>> individually.
>>>
>>> Since I am not very familiar with the Linux side of Raid, do I need 
>>> to download the Linux driver (if there is even one available) and 
>>> put it on a floppy like Windows?
>>>
>>> Motherboard = ASUS M5A97EVO
>>> RAID Controller AMD SB950 chipset
>>>
>>> Raid type = 1+0 *aka raid 10
>>
>> First, please, never reply to maillist with new topic, you causing 
>> wrong thread ordering of messages. If you wish to start new topic, 
>> just write it to maillist address.
>>
>> Second, there is two issues:
>>
>> 1) Don't use fake raid under linux. Linux has perfect software raid, 
>> which much more reliable and much less troublemaking, compare to fake 
>> raid (you device is fake raid, because it don't actually do anything 
>> with drives).
>> 2) Sad to say, but XCP have very serious issues with raid support. We 
>> using software raid with XCP in our company, but we created very 
>> specifically crafted ISO image with lots ad-hoc fixes and hacks. I 
>> can't recommend do this to anyone, who don't really deep enough in 
>> XCP to do this by himself.
>>
>> So, you have to opportunities:
>> a) use real hardware raid (to get raid array as  /dev/sda).
>> b) Do not use raid in anyway (configure fake raid to HBA mode) - use 
>> external storage and don't bother for XCP system drive. If host die, 
>> no data will be lost.
>>
>>
>>
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api
>>
>
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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On 12/22/11 7:33 AM, George Shuklin wrote:
> You will not gain any performance boost with fake raid - it offload 
> all operations on host, this is exactly same as normal software raid. 
> The single reason fakeraid exists is 'faking' raid existence for 
> windows, may version of it does not support mirroring (all desktops 
> windows, f.e.). It have no meaning for linux. \
*Your point was understood the first time, no fake raid. Got it.*
>
> Anyway, I can say one thing: don't do this. Any lowlevel manipulation 
> with 'fakeraid' and XCP will make you getting a nasty problems you 
> will need to fix by yourself (without community help).
>
> If you playing with XCP - turn 'raid' to 'hba' (sata ahci) in bios and 
> use a single drive.
*At this point I am trying to install Debian on a software raid but I 
can't get the darn thing to bootup. Raid has been turned off and all 4 
SATA3 drives are set to ACHI mode.  Grub is a nightmare and apparently 
"mdm raid" software is the way to go. I have been trying to get this to 
work for a few days now.*
>
> If you wants to use this in product - think about proper hardware. 
> nForce is NOT A SERVER solution.
*
I completely understand the nForce is NOT a server solution, but in all 
reality, this is 1 server hosting 3 or maybe 4 servers for my I.T. 
consulting company. I don't need top of the line performance so I don't 
need the 1000+ USD raid cards. nForce has yet to fail me and I am not 
runnign a data center, so those speed differences are negotiable. nForce 
is still a hardware solution, but moreso geared towards high end 
users/workstations.  Regardless I gave up on the hardware raid as that 
system board didn't support AM3+.  I understand that I am between a home 
user and a business class/enterprise user.  That's why I am trying to 
get Xen Hypervisor and XCP to work correctly. :)
*
> PS XCP supports up to 32 cores, so 8 core shall works fine.
*
That is actually great to know.  Thank you.  It sounds like I'll have to 
get XCP to work with Xen Hypervisor running on top  Debian (with DOM0 
kernel).  Since it's not as easy as the XCP ISO/Hypervisor, hopefully I 
can get it to a manageable state using XenCenter.  speaking of, is there 
a "better"/more unified management tool beyond XenCenter? I don't want 
management to be complicated, I am just curious.

Thank you for the help/responses.  This is all new techology(software 
wise) to me and I love learning as I go. I apologize if I am filling the 
mailing list with off topic material.  Since it all goes back to XCP-API 
I thought it might pertain.*

Scott

>
> On 22.12.2011 01:30, Scott Zupek wrote:
>> Sorry for the reply and not changing the topic, that was sucky of 
>> me.  My apologies please.
>>
>> So if software raid, wont hinder performance and since I already have 
>> these 4 drives to run Raid, could I boot into Debian Live and run the 
>> software raid and install Xen Hypervisor on that?  True I don't get 
>> the added benefits of the DOM0 w/ XCP, but it's still (once fully 
>> configured) a stand alone server that I don't have to worry much about.
>>
>> Unforunately, I thought it was read Raid like the nForce controller, 
>> but apparently AMD got me on this one. I just bought the Motherboard 
>> and CPU (8 core, but it looks like the DOM0 only detects 5 threads, 
>> so maybe I am better off with the 6 core one I have).
>>
>> So to run Xen Hypervisor + XCP(??) to manage, would I still get the 
>> same results as running the ISO hypervisor version? (maybe not AS fast)?
>>
>> Thank you for your time. Should I be using a different thread / 
>> mailing list for this question?
>>
>> Scott
>>
>>
>>
>>
>> On 12/21/11 3:17 PM, George Shuklin wrote:
>>>
>>>
>>> On 22.12.2011 00:45, Scott Zupek wrote:
>>>> I am re-installing XCP 1.1 via ISO and it looks like it can't find 
>>>> the raid controller driver because it's listing all the drives 
>>>> individually.
>>>>
>>>> Since I am not very familiar with the Linux side of Raid, do I need 
>>>> to download the Linux driver (if there is even one available) and 
>>>> put it on a floppy like Windows?
>>>>
>>>> Motherboard = ASUS M5A97EVO
>>>> RAID Controller AMD SB950 chipset
>>>>
>>>> Raid type = 1+0 *aka raid 10
>>>
>>> First, please, never reply to maillist with new topic, you causing 
>>> wrong thread ordering of messages. If you wish to start new topic, 
>>> just write it to maillist address.
>>>
>>> Second, there is two issues:
>>>
>>> 1) Don't use fake raid under linux. Linux has perfect software raid, 
>>> which much more reliable and much less troublemaking, compare to 
>>> fake raid (you device is fake raid, because it don't actually do 
>>> anything with drives).
>>> 2) Sad to say, but XCP have very serious issues with raid support. 
>>> We using software raid with XCP in our company, but we created very 
>>> specifically crafted ISO image with lots ad-hoc fixes and hacks. I 
>>> can't recommend do this to anyone, who don't really deep enough in 
>>> XCP to do this by himself.
>>>
>>> So, you have to opportunities:
>>> a) use real hardware raid (to get raid array as  /dev/sda).
>>> b) Do not use raid in anyway (configure fake raid to HBA mode) - use 
>>> external storage and don't bother for XCP system drive. If host die, 
>>> no data will be lost.
>>>
>>>
>>>
>>> _______________________________________________
>>> xen-api mailing list
>>> xen-api@lists.xensource.com
>>> http://lists.xensource.com/mailman/listinfo/xen-api
>>>
>>
>>
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api
>
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api
>


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    On 12/22/11 7:33 AM, George Shuklin wrote:
    <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite">You
      will not gain any performance boost with fake raid - it offload
      all operations on host, this is exactly same as normal software
      raid. The single reason fakeraid exists is 'faking' raid existence
      for windows, may version of it does not support mirroring (all
      desktops windows, f.e.). It have no meaning for linux.
      \<br>
    </blockquote>
    <b>Your point was understood the first time, no fake raid. Got it.</b><br>
    <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite">
      <br>
      Anyway, I can say one thing: don't do this. Any lowlevel
      manipulation with 'fakeraid' and XCP will make you getting a nasty
      problems you will need to fix by yourself (without community
      help).
      <br>
      <br>
      If you playing with XCP - turn 'raid' to 'hba' (sata ahci) in bios
      and use a single drive.
      <br>
    </blockquote>
    <b>At this point I am trying to install Debian on a software raid
      but I can't get the darn thing to bootup. Raid has been turned off
      and all 4 SATA3 drives are set to ACHI mode.&nbsp; Grub is a nightmare
      and apparently "mdm raid" software is the way to go. I have been
      trying to get this to work for a few days now.</b><br>
    <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite">
      <br>
      If you wants to use this in product - think about proper hardware.
      nForce is NOT A SERVER solution.
      <br>
    </blockquote>
    <b><br>
      I completely understand the nForce is NOT a server solution, but
      in all reality, this is 1 server hosting 3 or maybe 4 servers for
      my I.T. consulting company. I don't need top of the line
      performance so I don't need the 1000+ USD raid cards. nForce has
      yet to fail me and I am not runnign a data center, so those speed
      differences are negotiable. nForce is still a hardware solution,
      but moreso geared towards high end users/workstations.&nbsp; Regardless
      I gave up on the hardware raid as that system board didn't support
      AM3+.&nbsp; I understand that I am between a home user and a business
      class/enterprise user.&nbsp; That's why I am trying to get Xen
      Hypervisor and XCP to work correctly. :)<br>
    </b><br>
    <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite">PS XCP
      supports up to 32 cores, so 8 core shall works fine.
      <br>
    </blockquote>
    <b><br>
      That is actually great to know.&nbsp; Thank you.&nbsp; It sounds like I'll
      have to get XCP to work with Xen Hypervisor running on top&nbsp; Debian
      (with DOM0 kernel).&nbsp; Since it's not as easy as the XCP
      ISO/Hypervisor, hopefully I can get it to a manageable state using
      XenCenter.&nbsp; speaking of, is there a "better"/more unified
      management tool beyond XenCenter? I don't want management to be
      complicated, I am just curious.<br>
      <br>
      Thank you for the help/responses.&nbsp; This is all new
      techology(software wise) to me and I love learning as I go. I
      apologize if I am filling the mailing list with off topic
      material.&nbsp; Since it all goes back to XCP-API I thought it might
      pertain.</b><br>
    <br>
    Scott<br>
    <br>
    <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite">
      <br>
      On 22.12.2011 01:30, Scott Zupek wrote:
      <br>
      <blockquote type="cite">Sorry for the reply and not changing the
        topic, that was sucky of me.&nbsp; My apologies please.
        <br>
        <br>
        So if software raid, wont hinder performance and since I already
        have these 4 drives to run Raid, could I boot into Debian Live
        and run the software raid and install Xen Hypervisor on that?&nbsp;
        True I don't get the added benefits of the DOM0 w/ XCP, but it's
        still (once fully configured) a stand alone server that I don't
        have to worry much about.
        <br>
        <br>
        Unforunately, I thought it was read Raid like the nForce
        controller, but apparently AMD got me on this one. I just bought
        the Motherboard and CPU (8 core, but it looks like the DOM0 only
        detects 5 threads, so maybe I am better off with the 6 core one
        I have).
        <br>
        <br>
        So to run Xen Hypervisor + XCP(??) to manage, would I still get
        the same results as running the ISO hypervisor version? (maybe
        not AS fast)?
        <br>
        <br>
        Thank you for your time. Should I be using a different thread /
        mailing list for this question?
        <br>
        <br>
        Scott
        <br>
        <br>
        <br>
        <br>
        <br>
        On 12/21/11 3:17 PM, George Shuklin wrote:
        <br>
        <blockquote type="cite">
          <br>
          <br>
          On 22.12.2011 00:45, Scott Zupek wrote:
          <br>
          <blockquote type="cite">I am re-installing XCP 1.1 via ISO and
            it looks like it can't find the raid controller driver
            because it's listing all the drives individually.
            <br>
            <br>
            Since I am not very familiar with the Linux side of Raid, do
            I need to download the Linux driver (if there is even one
            available) and put it on a floppy like Windows?
            <br>
            <br>
            Motherboard = ASUS M5A97EVO
            <br>
            RAID Controller AMD SB950 chipset
            <br>
            <br>
            Raid type = 1+0 *aka raid 10
            <br>
          </blockquote>
          <br>
          First, please, never reply to maillist with new topic, you
          causing wrong thread ordering of messages. If you wish to
          start new topic, just write it to maillist address.
          <br>
          <br>
          Second, there is two issues:
          <br>
          <br>
          1) Don't use fake raid under linux. Linux has perfect software
          raid, which much more reliable and much less troublemaking,
          compare to fake raid (you device is fake raid, because it
          don't actually do anything with drives).
          <br>
          2) Sad to say, but XCP have very serious issues with raid
          support. We using software raid with XCP in our company, but
          we created very specifically crafted ISO image with lots
          ad-hoc fixes and hacks. I can't recommend do this to anyone,
          who don't really deep enough in XCP to do this by himself.
          <br>
          <br>
          So, you have to opportunities:
          <br>
          a) use real hardware raid (to get raid array as&nbsp; /dev/sda).
          <br>
          b) Do not use raid in anyway (configure fake raid to HBA mode)
          - use external storage and don't bother for XCP system drive.
          If host die, no data will be lost.
          <br>
          <br>
          <br>
          <br>
          _______________________________________________
          <br>
          xen-api mailing list
          <br>
          <a class="moz-txt-link-abbreviated" href="mailto:xen-api@lists.xensource.com">xen-api@lists.xensource.com</a>
          <br>
          <a class="moz-txt-link-freetext" href="http://lists.xensource.com/mailman/listinfo/xen-api">http://lists.xensource.com/mailman/listinfo/xen-api</a>
          <br>
          <br>
        </blockquote>
        <br>
        <br>
        _______________________________________________
        <br>
        xen-api mailing list
        <br>
        <a class="moz-txt-link-abbreviated" href="mailto:xen-api@lists.xensource.com">xen-api@lists.xensource.com</a>
        <br>
        <a class="moz-txt-link-freetext" href="http://lists.xensource.com/mailman/listinfo/xen-api">http://lists.xensource.com/mailman/listinfo/xen-api</a>
        <br>
      </blockquote>
      <br>
      <br>
      _______________________________________________
      <br>
      xen-api mailing list
      <br>
      <a class="moz-txt-link-abbreviated" href="mailto:xen-api@lists.xensource.com">xen-api@lists.xensource.com</a>
      <br>
      <a class="moz-txt-link-freetext" href="http://lists.xensource.com/mailman/listinfo/xen-api">http://lists.xensource.com/mailman/listinfo/xen-api</a>
      <br>
      <br>
    </blockquote>
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On 12/22/11 7:33 AM, George Shuklin wrote:
> You will not gain any performance boost with fake raid - it offload 
> all operations on host, this is exactly same as normal software raid. 
> The single reason fakeraid exists is 'faking' raid existence for 
> windows, may version of it does not support mirroring (all desktops 
> windows, f.e.). It have no meaning for linux. \
*Your point was understood the first time, no fake raid. Got it.*
>
> Anyway, I can say one thing: don't do this. Any lowlevel manipulation 
> with 'fakeraid' and XCP will make you getting a nasty problems you 
> will need to fix by yourself (without community help).
>
> If you playing with XCP - turn 'raid' to 'hba' (sata ahci) in bios and 
> use a single drive.
*At this point I am trying to install Debian on a software raid but I 
can't get the darn thing to bootup. Raid has been turned off and all 4 
SATA3 drives are set to ACHI mode.  Grub is a nightmare and apparently 
"mdm raid" software is the way to go. I have been trying to get this to 
work for a few days now.*
>
> If you wants to use this in product - think about proper hardware. 
> nForce is NOT A SERVER solution.
*
I completely understand the nForce is NOT a server solution, but in all 
reality, this is 1 server hosting 3 or maybe 4 servers for my I.T. 
consulting company. I don't need top of the line performance so I don't 
need the 1000+ USD raid cards. nForce has yet to fail me and I am not 
runnign a data center, so those speed differences are negotiable. nForce 
is still a hardware solution, but moreso geared towards high end 
users/workstations.  Regardless I gave up on the hardware raid as that 
system board didn't support AM3+.  I understand that I am between a home 
user and a business class/enterprise user.  That's why I am trying to 
get Xen Hypervisor and XCP to work correctly. :)
*
> PS XCP supports up to 32 cores, so 8 core shall works fine.
*
That is actually great to know.  Thank you.  It sounds like I'll have to 
get XCP to work with Xen Hypervisor running on top  Debian (with DOM0 
kernel).  Since it's not as easy as the XCP ISO/Hypervisor, hopefully I 
can get it to a manageable state using XenCenter.  speaking of, is there 
a "better"/more unified management tool beyond XenCenter? I don't want 
management to be complicated, I am just curious.

Thank you for the help/responses.  This is all new techology(software 
wise) to me and I love learning as I go. I apologize if I am filling the 
mailing list with off topic material.  Since it all goes back to XCP-API 
I thought it might pertain.*

Scott

>
> On 22.12.2011 01:30, Scott Zupek wrote:
>> Sorry for the reply and not changing the topic, that was sucky of 
>> me.  My apologies please.
>>
>> So if software raid, wont hinder performance and since I already have 
>> these 4 drives to run Raid, could I boot into Debian Live and run the 
>> software raid and install Xen Hypervisor on that?  True I don't get 
>> the added benefits of the DOM0 w/ XCP, but it's still (once fully 
>> configured) a stand alone server that I don't have to worry much about.
>>
>> Unforunately, I thought it was read Raid like the nForce controller, 
>> but apparently AMD got me on this one. I just bought the Motherboard 
>> and CPU (8 core, but it looks like the DOM0 only detects 5 threads, 
>> so maybe I am better off with the 6 core one I have).
>>
>> So to run Xen Hypervisor + XCP(??) to manage, would I still get the 
>> same results as running the ISO hypervisor version? (maybe not AS fast)?
>>
>> Thank you for your time. Should I be using a different thread / 
>> mailing list for this question?
>>
>> Scott
>>
>>
>>
>>
>> On 12/21/11 3:17 PM, George Shuklin wrote:
>>>
>>>
>>> On 22.12.2011 00:45, Scott Zupek wrote:
>>>> I am re-installing XCP 1.1 via ISO and it looks like it can't find 
>>>> the raid controller driver because it's listing all the drives 
>>>> individually.
>>>>
>>>> Since I am not very familiar with the Linux side of Raid, do I need 
>>>> to download the Linux driver (if there is even one available) and 
>>>> put it on a floppy like Windows?
>>>>
>>>> Motherboard = ASUS M5A97EVO
>>>> RAID Controller AMD SB950 chipset
>>>>
>>>> Raid type = 1+0 *aka raid 10
>>>
>>> First, please, never reply to maillist with new topic, you causing 
>>> wrong thread ordering of messages. If you wish to start new topic, 
>>> just write it to maillist address.
>>>
>>> Second, there is two issues:
>>>
>>> 1) Don't use fake raid under linux. Linux has perfect software raid, 
>>> which much more reliable and much less troublemaking, compare to 
>>> fake raid (you device is fake raid, because it don't actually do 
>>> anything with drives).
>>> 2) Sad to say, but XCP have very serious issues with raid support. 
>>> We using software raid with XCP in our company, but we created very 
>>> specifically crafted ISO image with lots ad-hoc fixes and hacks. I 
>>> can't recommend do this to anyone, who don't really deep enough in 
>>> XCP to do this by himself.
>>>
>>> So, you have to opportunities:
>>> a) use real hardware raid (to get raid array as  /dev/sda).
>>> b) Do not use raid in anyway (configure fake raid to HBA mode) - use 
>>> external storage and don't bother for XCP system drive. If host die, 
>>> no data will be lost.
>>>
>>>
>>>
>>> _______________________________________________
>>> xen-api mailing list
>>> xen-api@lists.xensource.com
>>> http://lists.xensource.com/mailman/listinfo/xen-api
>>>
>>
>>
>> _______________________________________________
>> xen-api mailing list
>> xen-api@lists.xensource.com
>> http://lists.xensource.com/mailman/listinfo/xen-api
>
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api
>


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    On 12/22/11 7:33 AM, George Shuklin wrote:
    <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite">You
      will not gain any performance boost with fake raid - it offload
      all operations on host, this is exactly same as normal software
      raid. The single reason fakeraid exists is 'faking' raid existence
      for windows, may version of it does not support mirroring (all
      desktops windows, f.e.). It have no meaning for linux.
      \<br>
    </blockquote>
    <b>Your point was understood the first time, no fake raid. Got it.</b><br>
    <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite">
      <br>
      Anyway, I can say one thing: don't do this. Any lowlevel
      manipulation with 'fakeraid' and XCP will make you getting a nasty
      problems you will need to fix by yourself (without community
      help).
      <br>
      <br>
      If you playing with XCP - turn 'raid' to 'hba' (sata ahci) in bios
      and use a single drive.
      <br>
    </blockquote>
    <b>At this point I am trying to install Debian on a software raid
      but I can't get the darn thing to bootup. Raid has been turned off
      and all 4 SATA3 drives are set to ACHI mode.&nbsp; Grub is a nightmare
      and apparently "mdm raid" software is the way to go. I have been
      trying to get this to work for a few days now.</b><br>
    <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite">
      <br>
      If you wants to use this in product - think about proper hardware.
      nForce is NOT A SERVER solution.
      <br>
    </blockquote>
    <b><br>
      I completely understand the nForce is NOT a server solution, but
      in all reality, this is 1 server hosting 3 or maybe 4 servers for
      my I.T. consulting company. I don't need top of the line
      performance so I don't need the 1000+ USD raid cards. nForce has
      yet to fail me and I am not runnign a data center, so those speed
      differences are negotiable. nForce is still a hardware solution,
      but moreso geared towards high end users/workstations.&nbsp; Regardless
      I gave up on the hardware raid as that system board didn't support
      AM3+.&nbsp; I understand that I am between a home user and a business
      class/enterprise user.&nbsp; That's why I am trying to get Xen
      Hypervisor and XCP to work correctly. :)<br>
    </b><br>
    <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite">PS XCP
      supports up to 32 cores, so 8 core shall works fine.
      <br>
    </blockquote>
    <b><br>
      That is actually great to know.&nbsp; Thank you.&nbsp; It sounds like I'll
      have to get XCP to work with Xen Hypervisor running on top&nbsp; Debian
      (with DOM0 kernel).&nbsp; Since it's not as easy as the XCP
      ISO/Hypervisor, hopefully I can get it to a manageable state using
      XenCenter.&nbsp; speaking of, is there a "better"/more unified
      management tool beyond XenCenter? I don't want management to be
      complicated, I am just curious.<br>
      <br>
      Thank you for the help/responses.&nbsp; This is all new
      techology(software wise) to me and I love learning as I go. I
      apologize if I am filling the mailing list with off topic
      material.&nbsp; Since it all goes back to XCP-API I thought it might
      pertain.</b><br>
    <br>
    Scott<br>
    <br>
    <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite">
      <br>
      On 22.12.2011 01:30, Scott Zupek wrote:
      <br>
      <blockquote type="cite">Sorry for the reply and not changing the
        topic, that was sucky of me.&nbsp; My apologies please.
        <br>
        <br>
        So if software raid, wont hinder performance and since I already
        have these 4 drives to run Raid, could I boot into Debian Live
        and run the software raid and install Xen Hypervisor on that?&nbsp;
        True I don't get the added benefits of the DOM0 w/ XCP, but it's
        still (once fully configured) a stand alone server that I don't
        have to worry much about.
        <br>
        <br>
        Unforunately, I thought it was read Raid like the nForce
        controller, but apparently AMD got me on this one. I just bought
        the Motherboard and CPU (8 core, but it looks like the DOM0 only
        detects 5 threads, so maybe I am better off with the 6 core one
        I have).
        <br>
        <br>
        So to run Xen Hypervisor + XCP(??) to manage, would I still get
        the same results as running the ISO hypervisor version? (maybe
        not AS fast)?
        <br>
        <br>
        Thank you for your time. Should I be using a different thread /
        mailing list for this question?
        <br>
        <br>
        Scott
        <br>
        <br>
        <br>
        <br>
        <br>
        On 12/21/11 3:17 PM, George Shuklin wrote:
        <br>
        <blockquote type="cite">
          <br>
          <br>
          On 22.12.2011 00:45, Scott Zupek wrote:
          <br>
          <blockquote type="cite">I am re-installing XCP 1.1 via ISO and
            it looks like it can't find the raid controller driver
            because it's listing all the drives individually.
            <br>
            <br>
            Since I am not very familiar with the Linux side of Raid, do
            I need to download the Linux driver (if there is even one
            available) and put it on a floppy like Windows?
            <br>
            <br>
            Motherboard = ASUS M5A97EVO
            <br>
            RAID Controller AMD SB950 chipset
            <br>
            <br>
            Raid type = 1+0 *aka raid 10
            <br>
          </blockquote>
          <br>
          First, please, never reply to maillist with new topic, you
          causing wrong thread ordering of messages. If you wish to
          start new topic, just write it to maillist address.
          <br>
          <br>
          Second, there is two issues:
          <br>
          <br>
          1) Don't use fake raid under linux. Linux has perfect software
          raid, which much more reliable and much less troublemaking,
          compare to fake raid (you device is fake raid, because it
          don't actually do anything with drives).
          <br>
          2) Sad to say, but XCP have very serious issues with raid
          support. We using software raid with XCP in our company, but
          we created very specifically crafted ISO image with lots
          ad-hoc fixes and hacks. I can't recommend do this to anyone,
          who don't really deep enough in XCP to do this by himself.
          <br>
          <br>
          So, you have to opportunities:
          <br>
          a) use real hardware raid (to get raid array as&nbsp; /dev/sda).
          <br>
          b) Do not use raid in anyway (configure fake raid to HBA mode)
          - use external storage and don't bother for XCP system drive.
          If host die, no data will be lost.
          <br>
          <br>
          <br>
          <br>
          _______________________________________________
          <br>
          xen-api mailing list
          <br>
          <a class="moz-txt-link-abbreviated" href="mailto:xen-api@lists.xensource.com">xen-api@lists.xensource.com</a>
          <br>
          <a class="moz-txt-link-freetext" href="http://lists.xensource.com/mailman/listinfo/xen-api">http://lists.xensource.com/mailman/listinfo/xen-api</a>
          <br>
          <br>
        </blockquote>
        <br>
        <br>
        _______________________________________________
        <br>
        xen-api mailing list
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        <a class="moz-txt-link-abbreviated" href="mailto:xen-api@lists.xensource.com">xen-api@lists.xensource.com</a>
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      <br>
      <br>
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      xen-api mailing list
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      <a class="moz-txt-link-abbreviated" href="mailto:xen-api@lists.xensource.com">xen-api@lists.xensource.com</a>
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Date: Fri, 23 Dec 2011 03:22:07 +0400
From: George Shuklin <george.shuklin@gmail.com>
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On 23.12.2011 01:28, Scott Zupek wrote:
> On 12/22/11 7:33 AM, George Shuklin wrote:
>>
>> Anyway, I can say one thing: don't do this. Any lowlevel manipulation 
>> with 'fakeraid' and XCP will make you getting a nasty problems you 
>> will need to fix by yourself (without community help).
>>
>> If you playing with XCP - turn 'raid' to 'hba' (sata ahci) in bios 
>> and use a single drive.
> *At this point I am trying to install Debian on a software raid but I 
> can't get the darn thing to bootup. Raid has been turned off and all 4 
> SATA3 drives are set to ACHI mode.  Grub is a nightmare and apparently 
> "mdm raid" software is the way to go. I have been trying to get this 
> to work for a few days now.*
If you wish to use XCP, no debian, sorry. XCP is shipped with very tight 
tuned OS inside and shall works with it only. If you are talking about 
xcp packages for ubuntu/debian - they are not ready for product environment.

>> If you wants to use this in product - think about proper hardware. 
>> nForce is NOT A SERVER solution.
> *
> I completely understand the nForce is NOT a server solution, but in 
> all reality, this is 1 server hosting 3 or maybe 4 servers for my I.T. 
> consulting company. I don't need top of the line performance so I 
> don't need the 1000+ USD raid cards. nForce has yet to fail me and I 
> am not runnign a data center, so those speed differences are 
> negotiable. nForce is still a hardware solution, but moreso geared 
> towards high end users/workstations.  Regardless I gave up on the 
> hardware raid as that system board didn't support AM3+.  I understand 
> that I am between a home user and a business class/enterprise user.  
> That's why I am trying to get Xen Hypervisor and XCP to work correctly. :)
> *
nForce raid is not an 'hardware solution'. Spit to the eyes to guy who 
told you this. 'fake raid' is just changed PID/VID of device, to make it 
not working with default AHCI driver. A specially crafted windows driver 
recognize those PID/VID and do software raid, presenting to operating 
system a 'raid' device. But actually all work happens inside driver. So 
there is NO difference in performance of 'fake raid' and software raid 
(I do actually think that software raid will be faster).

But XCP does not support software raids. So you need to wipe completely 
content of drives and install XCP to clean system to the first disk (sda).

If you do really wants to use local disks as storage, and have 
redundancy you can create two SR later create two same size VDI and join 
them together as  raid1 in guest machine. (but this is kinda... weird).
>> PS XCP supports up to 32 cores, so 8 core shall works fine.
> *
> That is actually great to know.  Thank you.  It sounds like I'll have 
> to get XCP to work with Xen Hypervisor running on top  Debian (with 
> DOM0 kernel).  Since it's not as easy as the XCP ISO/Hypervisor, 
> hopefully I can get it to a manageable state using XenCenter.  
> speaking of, is there a "better"/more unified management tool beyond 
> XenCenter? I don't want management to be complicated, I am just curious.
>
> Thank you for the help/responses.  This is all new techology(software 
> wise) to me and I love learning as I go. I apologize if I am filling 
> the mailing list with off topic material.  Since it all goes back to 
> XCP-API I thought it might pertain.*
Main management system for XCP is 'xe' command line. You need to have 
medium level of understanding XenAPI relations model to use it (see 
documentation for XenServer).

And please, don't mix xen+xend (xen- packages in may distro) and XCP. 
XCP use xen, but differ significantly from xapi (the core of XCP toolstack).

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    On 23.12.2011 01:28, Scott Zupek wrote:
    <blockquote cite="mid:4EF3A0F1.6090606@wi.rr.com" type="cite">
      <meta content="text/html; charset=ISO-8859-1"
        http-equiv="Content-Type">
      On 12/22/11 7:33 AM, George Shuklin wrote:<br>
      <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite"> <br>
        Anyway, I can say one thing: don't do this. Any lowlevel
        manipulation with 'fakeraid' and XCP will make you getting a
        nasty problems you will need to fix by yourself (without
        community help). <br>
        <br>
        If you playing with XCP - turn 'raid' to 'hba' (sata ahci) in
        bios and use a single drive. <br>
      </blockquote>
      <b>At this point I am trying to install Debian on a software raid
        but I can't get the darn thing to bootup. Raid has been turned
        off and all 4 SATA3 drives are set to ACHI mode.&nbsp; Grub is a
        nightmare and apparently "mdm raid" software is the way to go. I
        have been trying to get this to work for a few days now.</b><br>
    </blockquote>
    If you wish to use XCP, no debian, sorry. XCP is shipped with very
    tight tuned OS inside and shall works with it only. If you are
    talking about xcp packages for ubuntu/debian - they are not ready
    for product environment.<br>
    <br>
    <blockquote cite="mid:4EF3A0F1.6090606@wi.rr.com" type="cite">
      <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite"> If
        you wants to use this in product - think about proper hardware.
        nForce is NOT A SERVER solution. <br>
      </blockquote>
      <b><br>
        I completely understand the nForce is NOT a server solution, but
        in all reality, this is 1 server hosting 3 or maybe 4 servers
        for my I.T. consulting company. I don't need top of the line
        performance so I don't need the 1000+ USD raid cards. nForce has
        yet to fail me and I am not runnign a data center, so those
        speed differences are negotiable. nForce is still a hardware
        solution, but moreso geared towards high end
        users/workstations.&nbsp; Regardless I gave up on the hardware raid
        as that system board didn't support AM3+.&nbsp; I understand that I
        am between a home user and a business class/enterprise user.&nbsp;
        That's why I am trying to get Xen Hypervisor and XCP to work
        correctly. :)<br>
      </b><br>
    </blockquote>
    nForce raid is not an 'hardware solution'. Spit to the eyes to guy
    who told you this. 'fake raid' is just changed PID/VID of device, to
    make it not working with default AHCI driver. A specially crafted
    windows driver recognize those PID/VID and do software raid,
    presenting to operating system a 'raid' device. But actually all
    work happens inside driver. So there is NO difference in performance
    of 'fake raid' and software raid (I do actually think that software
    raid will be faster). <br>
    <br>
    But XCP does not support software raids. So you need to wipe
    completely content of drives and install XCP to clean system to the
    first disk (sda).<br>
    <br>
    If you do really wants to use local disks as storage, and have
    redundancy you can create two SR later create two same size VDI and
    join them together as&nbsp; raid1 in guest machine. (but this is kinda...
    weird).<br>
    <blockquote cite="mid:4EF3A0F1.6090606@wi.rr.com" type="cite">
      <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite">PS
        XCP supports up to 32 cores, so 8 core shall works fine. <br>
      </blockquote>
      <b><br>
        That is actually great to know.&nbsp; Thank you.&nbsp; It sounds like I'll
        have to get XCP to work with Xen Hypervisor running on top&nbsp;
        Debian (with DOM0 kernel).&nbsp; Since it's not as easy as the XCP
        ISO/Hypervisor, hopefully I can get it to a manageable state
        using XenCenter.&nbsp; speaking of, is there a "better"/more unified
        management tool beyond XenCenter? I don't want management to be
        complicated, I am just curious.<br>
        <br>
        Thank you for the help/responses.&nbsp; This is all new
        techology(software wise) to me and I love learning as I go. I
        apologize if I am filling the mailing list with off topic
        material.&nbsp; Since it all goes back to XCP-API I thought it might
        pertain.</b><br>
    </blockquote>
    Main management system for XCP is 'xe' command line. You need to
    have medium level of understanding XenAPI relations model to use it
    (see documentation for XenServer).<br>
    <br>
    And please, don't mix xen+xend (xen- packages in may distro) and
    XCP. XCP use xen, but differ significantly from xapi (the core of
    XCP toolstack).<br>
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Date: Fri, 23 Dec 2011 03:22:07 +0400
From: George Shuklin <george.shuklin@gmail.com>
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Subject: Re: [Xen-API] XCP + RAID
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On 23.12.2011 01:28, Scott Zupek wrote:
> On 12/22/11 7:33 AM, George Shuklin wrote:
>>
>> Anyway, I can say one thing: don't do this. Any lowlevel manipulation 
>> with 'fakeraid' and XCP will make you getting a nasty problems you 
>> will need to fix by yourself (without community help).
>>
>> If you playing with XCP - turn 'raid' to 'hba' (sata ahci) in bios 
>> and use a single drive.
> *At this point I am trying to install Debian on a software raid but I 
> can't get the darn thing to bootup. Raid has been turned off and all 4 
> SATA3 drives are set to ACHI mode.  Grub is a nightmare and apparently 
> "mdm raid" software is the way to go. I have been trying to get this 
> to work for a few days now.*
If you wish to use XCP, no debian, sorry. XCP is shipped with very tight 
tuned OS inside and shall works with it only. If you are talking about 
xcp packages for ubuntu/debian - they are not ready for product environment.

>> If you wants to use this in product - think about proper hardware. 
>> nForce is NOT A SERVER solution.
> *
> I completely understand the nForce is NOT a server solution, but in 
> all reality, this is 1 server hosting 3 or maybe 4 servers for my I.T. 
> consulting company. I don't need top of the line performance so I 
> don't need the 1000+ USD raid cards. nForce has yet to fail me and I 
> am not runnign a data center, so those speed differences are 
> negotiable. nForce is still a hardware solution, but moreso geared 
> towards high end users/workstations.  Regardless I gave up on the 
> hardware raid as that system board didn't support AM3+.  I understand 
> that I am between a home user and a business class/enterprise user.  
> That's why I am trying to get Xen Hypervisor and XCP to work correctly. :)
> *
nForce raid is not an 'hardware solution'. Spit to the eyes to guy who 
told you this. 'fake raid' is just changed PID/VID of device, to make it 
not working with default AHCI driver. A specially crafted windows driver 
recognize those PID/VID and do software raid, presenting to operating 
system a 'raid' device. But actually all work happens inside driver. So 
there is NO difference in performance of 'fake raid' and software raid 
(I do actually think that software raid will be faster).

But XCP does not support software raids. So you need to wipe completely 
content of drives and install XCP to clean system to the first disk (sda).

If you do really wants to use local disks as storage, and have 
redundancy you can create two SR later create two same size VDI and join 
them together as  raid1 in guest machine. (but this is kinda... weird).
>> PS XCP supports up to 32 cores, so 8 core shall works fine.
> *
> That is actually great to know.  Thank you.  It sounds like I'll have 
> to get XCP to work with Xen Hypervisor running on top  Debian (with 
> DOM0 kernel).  Since it's not as easy as the XCP ISO/Hypervisor, 
> hopefully I can get it to a manageable state using XenCenter.  
> speaking of, is there a "better"/more unified management tool beyond 
> XenCenter? I don't want management to be complicated, I am just curious.
>
> Thank you for the help/responses.  This is all new techology(software 
> wise) to me and I love learning as I go. I apologize if I am filling 
> the mailing list with off topic material.  Since it all goes back to 
> XCP-API I thought it might pertain.*
Main management system for XCP is 'xe' command line. You need to have 
medium level of understanding XenAPI relations model to use it (see 
documentation for XenServer).

And please, don't mix xen+xend (xen- packages in may distro) and XCP. 
XCP use xen, but differ significantly from xapi (the core of XCP toolstack).

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    On 23.12.2011 01:28, Scott Zupek wrote:
    <blockquote cite="mid:4EF3A0F1.6090606@wi.rr.com" type="cite">
      <meta content="text/html; charset=ISO-8859-1"
        http-equiv="Content-Type">
      On 12/22/11 7:33 AM, George Shuklin wrote:<br>
      <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite"> <br>
        Anyway, I can say one thing: don't do this. Any lowlevel
        manipulation with 'fakeraid' and XCP will make you getting a
        nasty problems you will need to fix by yourself (without
        community help). <br>
        <br>
        If you playing with XCP - turn 'raid' to 'hba' (sata ahci) in
        bios and use a single drive. <br>
      </blockquote>
      <b>At this point I am trying to install Debian on a software raid
        but I can't get the darn thing to bootup. Raid has been turned
        off and all 4 SATA3 drives are set to ACHI mode.&nbsp; Grub is a
        nightmare and apparently "mdm raid" software is the way to go. I
        have been trying to get this to work for a few days now.</b><br>
    </blockquote>
    If you wish to use XCP, no debian, sorry. XCP is shipped with very
    tight tuned OS inside and shall works with it only. If you are
    talking about xcp packages for ubuntu/debian - they are not ready
    for product environment.<br>
    <br>
    <blockquote cite="mid:4EF3A0F1.6090606@wi.rr.com" type="cite">
      <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite"> If
        you wants to use this in product - think about proper hardware.
        nForce is NOT A SERVER solution. <br>
      </blockquote>
      <b><br>
        I completely understand the nForce is NOT a server solution, but
        in all reality, this is 1 server hosting 3 or maybe 4 servers
        for my I.T. consulting company. I don't need top of the line
        performance so I don't need the 1000+ USD raid cards. nForce has
        yet to fail me and I am not runnign a data center, so those
        speed differences are negotiable. nForce is still a hardware
        solution, but moreso geared towards high end
        users/workstations.&nbsp; Regardless I gave up on the hardware raid
        as that system board didn't support AM3+.&nbsp; I understand that I
        am between a home user and a business class/enterprise user.&nbsp;
        That's why I am trying to get Xen Hypervisor and XCP to work
        correctly. :)<br>
      </b><br>
    </blockquote>
    nForce raid is not an 'hardware solution'. Spit to the eyes to guy
    who told you this. 'fake raid' is just changed PID/VID of device, to
    make it not working with default AHCI driver. A specially crafted
    windows driver recognize those PID/VID and do software raid,
    presenting to operating system a 'raid' device. But actually all
    work happens inside driver. So there is NO difference in performance
    of 'fake raid' and software raid (I do actually think that software
    raid will be faster). <br>
    <br>
    But XCP does not support software raids. So you need to wipe
    completely content of drives and install XCP to clean system to the
    first disk (sda).<br>
    <br>
    If you do really wants to use local disks as storage, and have
    redundancy you can create two SR later create two same size VDI and
    join them together as&nbsp; raid1 in guest machine. (but this is kinda...
    weird).<br>
    <blockquote cite="mid:4EF3A0F1.6090606@wi.rr.com" type="cite">
      <blockquote cite="mid:4EF3318F.8040601@gmail.com" type="cite">PS
        XCP supports up to 32 cores, so 8 core shall works fine. <br>
      </blockquote>
      <b><br>
        That is actually great to know.&nbsp; Thank you.&nbsp; It sounds like I'll
        have to get XCP to work with Xen Hypervisor running on top&nbsp;
        Debian (with DOM0 kernel).&nbsp; Since it's not as easy as the XCP
        ISO/Hypervisor, hopefully I can get it to a manageable state
        using XenCenter.&nbsp; speaking of, is there a "better"/more unified
        management tool beyond XenCenter? I don't want management to be
        complicated, I am just curious.<br>
        <br>
        Thank you for the help/responses.&nbsp; This is all new
        techology(software wise) to me and I love learning as I go. I
        apologize if I am filling the mailing list with off topic
        material.&nbsp; Since it all goes back to XCP-API I thought it might
        pertain.</b><br>
    </blockquote>
    Main management system for XCP is 'xe' command line. You need to
    have medium level of understanding XenAPI relations model to use it
    (see documentation for XenServer).<br>
    <br>
    And please, don't mix xen+xend (xen- packages in may distro) and
    XCP. XCP use xen, but differ significantly from xapi (the core of
    XCP toolstack).<br>
  </body>
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From: Medhavini Buchade <medhavini1991@gmail.com>
To: xen-api <xen-api@lists.xensource.com>
Subject: [Xen-API] Doubts regarding the VMs on XCP
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Hello everyone,

I encountered some problems while working on XCP. Please suggest if I am
doing something wrong. I also need to clarify certain concepts as I am
using XCP for the first time.
[?]
1)
I was trying to install Debian Lenny 5.0 (32-bit). I did the following
steps:
xe vm-install template=...
xe vm-param-set uuid=... other-config:install-repository=
http://ftp.debian.org/debian
xe vm-start uuid=...

VM was created and it was in the running state. Then I did xe vm-shutdown
after which the VM entered the halted state.
I then did the following steps:
xe vm-start uuid=...
Error: Unable to find partition containing kernel
To remove the above error, I did the following step
xe vm-param-set uuid=... PV-bootloader=eliloader

xe vm-start uuid=...
Error code:INVALID_SOURCE
Error parameters:Unable to access a required file in the specified
repository:
http://ftp.debian.org/debian/isolinux/vmlinuz

2)
In which state should the VMs be when we need to shutdown the server that
runs XCP?

3)
In which state should the VM be when it is not in use(Just like we shut
down our PCs when they are not in use and the data on the PC remains
intact.)?

Thank you.

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Hello everyone,<br><br>I encountered some problems while working on XCP. Pl=
ease suggest if I am doing something wrong. I also need to clarify certain =
concepts as I am using XCP for the first time.<br><img goomoji=3D"gtalk.328=
" style=3D"margin: 0pt 0.2ex; vertical-align: middle;" src=3D"cid:gtalk.328=
@goomoji.gmail"><br>
1)<br>I was trying to install Debian Lenny 5.0 (32-bit). I did the followin=
g steps:<br>xe vm-install template=3D...<br>xe vm-param-set uuid=3D... othe=
r-config:install-repository=3D<a href=3D"http://ftp.debian.org/debian">http=
://ftp.debian.org/debian</a><br>
xe vm-start uuid=3D...<br><br>VM was created and it was in the running stat=
e. Then I did xe vm-shutdown after which the VM entered the halted state. <=
br>I then did the following steps:<br>xe vm-start uuid=3D...<br>Error: Unab=
le to find partition containing kernel<br>
To remove the above error, I did the following step<br>xe vm-param-set uuid=
=3D... PV-bootloader=3Deliloader<br><br>xe vm-start uuid=3D... <br>Error co=
de:INVALID_SOURCE<br>Error parameters:Unable to access a required file in t=
he specified repository:<br>
<a href=3D"http://ftp.debian.org/debian/isolinux/vmlinuz">http://ftp.debian=
.org/debian/isolinux/vmlinuz</a><br><br>2)<br>In which state should the VMs=
 be when we need to shutdown the server that runs XCP?<br><br>3)<br>In whic=
h state should the VM be when it is not in use(Just like we shut down our P=
Cs when they are not in use and the data on the PC remains intact.)?<br>
<br>Thank you.<br>

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Subject: [Xen-API] Doubts regarding the VMs on XCP
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Hello everyone,

I encountered some problems while working on XCP. Please suggest if I am
doing something wrong. I also need to clarify certain concepts as I am
using XCP for the first time.
[?]
1)
I was trying to install Debian Lenny 5.0 (32-bit). I did the following
steps:
xe vm-install template=...
xe vm-param-set uuid=... other-config:install-repository=
http://ftp.debian.org/debian
xe vm-start uuid=...

VM was created and it was in the running state. Then I did xe vm-shutdown
after which the VM entered the halted state.
I then did the following steps:
xe vm-start uuid=...
Error: Unable to find partition containing kernel
To remove the above error, I did the following step
xe vm-param-set uuid=... PV-bootloader=eliloader

xe vm-start uuid=...
Error code:INVALID_SOURCE
Error parameters:Unable to access a required file in the specified
repository:
http://ftp.debian.org/debian/isolinux/vmlinuz

2)
In which state should the VMs be when we need to shutdown the server that
runs XCP?

3)
In which state should the VM be when it is not in use(Just like we shut
down our PCs when they are not in use and the data on the PC remains
intact.)?

Thank you.

--0015174c0f76fd4de204b4c051c9
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Hello everyone,<br><br>I encountered some problems while working on XCP. Pl=
ease suggest if I am doing something wrong. I also need to clarify certain =
concepts as I am using XCP for the first time.<br><img goomoji=3D"gtalk.328=
" style=3D"margin: 0pt 0.2ex; vertical-align: middle;" src=3D"cid:gtalk.328=
@goomoji.gmail"><br>
1)<br>I was trying to install Debian Lenny 5.0 (32-bit). I did the followin=
g steps:<br>xe vm-install template=3D...<br>xe vm-param-set uuid=3D... othe=
r-config:install-repository=3D<a href=3D"http://ftp.debian.org/debian">http=
://ftp.debian.org/debian</a><br>
xe vm-start uuid=3D...<br><br>VM was created and it was in the running stat=
e. Then I did xe vm-shutdown after which the VM entered the halted state. <=
br>I then did the following steps:<br>xe vm-start uuid=3D...<br>Error: Unab=
le to find partition containing kernel<br>
To remove the above error, I did the following step<br>xe vm-param-set uuid=
=3D... PV-bootloader=3Deliloader<br><br>xe vm-start uuid=3D... <br>Error co=
de:INVALID_SOURCE<br>Error parameters:Unable to access a required file in t=
he specified repository:<br>
<a href=3D"http://ftp.debian.org/debian/isolinux/vmlinuz">http://ftp.debian=
.org/debian/isolinux/vmlinuz</a><br><br>2)<br>In which state should the VMs=
 be when we need to shutdown the server that runs XCP?<br><br>3)<br>In whic=
h state should the VM be when it is not in use(Just like we shut down our P=
Cs when they are not in use and the data on the PC remains intact.)?<br>
<br>Thank you.<br>

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Date: Fri, 23 Dec 2011 21:28:43 +0000
Thread-Topic: [Xen-API] Doubts regarding the VMs on XCP
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Hi Mike etc,

I have tried installing XCP on Ubuntu and it went really smoothly this
time. The xe commands are working locally and the XAPI web service seems to
be listening on port 80. There is only issue however... XenCenter complains
it is unable to make a SSL connection and doesn't work.
With XAPI on Debian I had the same problem and solved it by running
""/etc/init.d/xapissl
start".
That script doesn't seem to exist any more in the kronos build though so I
can't work out how to get it working. Any tips?

Thanks :)

--20cf3071c8cc2f9e4c04b4f336f1
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hi Mike etc,<div><br></div><div>I have tried installing XCP on Ubuntu and i=
t went really smoothly this time. The xe commands are working locally and t=
he XAPI web service seems to be listening on port 80. There is only issue h=
owever... XenCenter complains it is unable to make a SSL connection and doe=
sn&#39;t work.</div>
<div>With XAPI on Debian I had the same problem and solved it by running &q=
uot;<span style=3D"font-family:&#39;Times New Roman&#39;;font-size:medium">=
&quot;/etc/init.d/xapissl start&quot;.</span></div><div><span style=3D"font=
-family:&#39;Times New Roman&#39;;font-size:medium">That script doesn&#39;t=
 seem to exist any more in the kronos build though so I can&#39;t work out =
how to get it working. Any tips?</span></div>
<div><span style=3D"font-family:&#39;Times New Roman&#39;;font-size:medium"=
><br></span></div><div><span style=3D"font-family:&#39;Times New Roman&#39;=
;font-size:medium">Thanks :)</span></div>

--20cf3071c8cc2f9e4c04b4f336f1--


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Subject: [Xen-API] XAPI on Ubuntu
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Hi Mike etc,

I have tried installing XCP on Ubuntu and it went really smoothly this
time. The xe commands are working locally and the XAPI web service seems to
be listening on port 80. There is only issue however... XenCenter complains
it is unable to make a SSL connection and doesn't work.
With XAPI on Debian I had the same problem and solved it by running
""/etc/init.d/xapissl
start".
That script doesn't seem to exist any more in the kronos build though so I
can't work out how to get it working. Any tips?

Thanks :)

--20cf3071c8cc2f9e4c04b4f336f1
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hi Mike etc,<div><br></div><div>I have tried installing XCP on Ubuntu and i=
t went really smoothly this time. The xe commands are working locally and t=
he XAPI web service seems to be listening on port 80. There is only issue h=
owever... XenCenter complains it is unable to make a SSL connection and doe=
sn&#39;t work.</div>
<div>With XAPI on Debian I had the same problem and solved it by running &q=
uot;<span style=3D"font-family:&#39;Times New Roman&#39;;font-size:medium">=
&quot;/etc/init.d/xapissl start&quot;.</span></div><div><span style=3D"font=
-family:&#39;Times New Roman&#39;;font-size:medium">That script doesn&#39;t=
 seem to exist any more in the kronos build though so I can&#39;t work out =
how to get it working. Any tips?</span></div>
<div><span style=3D"font-family:&#39;Times New Roman&#39;;font-size:medium"=
><br></span></div><div><span style=3D"font-family:&#39;Times New Roman&#39;=
;font-size:medium">Thanks :)</span></div>

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Subject: Re: [Xen-API] XAPI on Ubuntu
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On Sun, Dec 25, 2011 at 6:43 PM, msgbox450@gmail.com
<msgbox450@gmail.com> wrote:
> Hi Mike etc,
>
> I have tried installing XCP on Ubuntu and it went really smoothly this time.
> The xe commands are working locally and the XAPI web service seems to be
> listening on port 80. There is only issue however... XenCenter complains it
> is unable to make a SSL connection and doesn't work.
> With XAPI on Debian I had the same problem and solved it by running
> ""/etc/init.d/xapissl start".
> That script doesn't seem to exist any more in the kronos build though so I
> can't work out how to get it working. Any tips?
>
> Thanks :)

make sure you have a MANAGEMENT_INTERFACE='' listed in
/etc/xcp/inventory and run
/usr/lib/xcp/lib/xapissl start

my sample inventory file below
---------------------------------------------
cat /etc/xcp/inventory
BUILD_NUMBER='0'
CURRENT_INTERFACES=''
CONTROL_DOMAIN_UUID='2b6c86bc-a4fb-3854-3430-37f9e126c678'
MANAGEMENT_INTERFACE='xenbr0'
INSTALLATION_UUID='398bdbca-bb6b-ca54-5ba0-943deec7103d'


>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api
>

_______________________________________________
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On Sun, Dec 25, 2011 at 6:43 PM, msgbox450@gmail.com
<msgbox450@gmail.com> wrote:
> Hi Mike etc,
>
> I have tried installing XCP on Ubuntu and it went really smoothly this time.
> The xe commands are working locally and the XAPI web service seems to be
> listening on port 80. There is only issue however... XenCenter complains it
> is unable to make a SSL connection and doesn't work.
> With XAPI on Debian I had the same problem and solved it by running
> ""/etc/init.d/xapissl start".
> That script doesn't seem to exist any more in the kronos build though so I
> can't work out how to get it working. Any tips?
>
> Thanks :)

make sure you have a MANAGEMENT_INTERFACE='' listed in
/etc/xcp/inventory and run
/usr/lib/xcp/lib/xapissl start

my sample inventory file below
---------------------------------------------
cat /etc/xcp/inventory
BUILD_NUMBER='0'
CURRENT_INTERFACES=''
CONTROL_DOMAIN_UUID='2b6c86bc-a4fb-3854-3430-37f9e126c678'
MANAGEMENT_INTERFACE='xenbr0'
INSTALLATION_UUID='398bdbca-bb6b-ca54-5ba0-943deec7103d'


>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api
>

_______________________________________________
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From: "msgbox450@gmail.com" <msgbox450@gmail.com>
To: Outback Dingo <outbackdingo@gmail.com>
Cc: xen-api@lists.xensource.com
Subject: Re: [Xen-API] XAPI on Ubuntu
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Thanks... that was the script I was looking for :)

It seems to be working, "xapissl status" says stunnel4 is running and if I
delete the xapi-ssl.conf and xapi-ssl.pem it regenerates them and runs...
however XenCenter is still telling me "Could not create SSL/TLS secure
channel" and I can't see anything about it in the logs :(



On Mon, Dec 26, 2011 at 12:20 AM, Outback Dingo <outbackdingo@gmail.com>wrote:

> On Sun, Dec 25, 2011 at 6:43 PM, msgbox450@gmail.com
> <msgbox450@gmail.com> wrote:
> > Hi Mike etc,
> >
> > I have tried installing XCP on Ubuntu and it went really smoothly this
> time.
> > The xe commands are working locally and the XAPI web service seems to be
> > listening on port 80. There is only issue however... XenCenter complains
> it
> > is unable to make a SSL connection and doesn't work.
> > With XAPI on Debian I had the same problem and solved it by running
> > ""/etc/init.d/xapissl start".
> > That script doesn't seem to exist any more in the kronos build though so
> I
> > can't work out how to get it working. Any tips?
> >
> > Thanks :)
>
> make sure you have a MANAGEMENT_INTERFACE='' listed in
> /etc/xcp/inventory and run
> /usr/lib/xcp/lib/xapissl start
>
> my sample inventory file below
> ---------------------------------------------
> cat /etc/xcp/inventory
> BUILD_NUMBER='0'
> CURRENT_INTERFACES=''
> CONTROL_DOMAIN_UUID='2b6c86bc-a4fb-3854-3430-37f9e126c678'
> MANAGEMENT_INTERFACE='xenbr0'
> INSTALLATION_UUID='398bdbca-bb6b-ca54-5ba0-943deec7103d'
>
>
> >
> > _______________________________________________
> > xen-api mailing list
> > xen-api@lists.xensource.com
> > http://lists.xensource.com/mailman/listinfo/xen-api
> >
>

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Thanks... that was the script I was looking for :)<div><br></div><div>It se=
ems to be working, &quot;xapissl status&quot; says stunnel4 is running and =
if I delete the xapi-ssl.conf and xapi-ssl.pem it regenerates them and runs=
... however XenCenter is still telling me &quot;Could not create SSL/TLS se=
cure channel&quot; and I can&#39;t see anything about it in the logs :(</di=
v>
<div><br></div><div><br><br><div class=3D"gmail_quote">On Mon, Dec 26, 2011=
 at 12:20 AM, Outback Dingo <span dir=3D"ltr">&lt;<a href=3D"mailto:outback=
dingo@gmail.com">outbackdingo@gmail.com</a>&gt;</span> wrote:<br><blockquot=
e class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc sol=
id;padding-left:1ex">
<div class=3D"HOEnZb"><div class=3D"h5">On Sun, Dec 25, 2011 at 6:43 PM, <a=
 href=3D"mailto:msgbox450@gmail.com">msgbox450@gmail.com</a><br>
&lt;<a href=3D"mailto:msgbox450@gmail.com">msgbox450@gmail.com</a>&gt; wrot=
e:<br>
&gt; Hi Mike etc,<br>
&gt;<br>
&gt; I have tried installing XCP on Ubuntu and it went really smoothly this=
 time.<br>
&gt; The xe commands are working locally and the XAPI web service seems to =
be<br>
&gt; listening on port 80. There is only issue however... XenCenter complai=
ns it<br>
&gt; is unable to make a SSL connection and doesn&#39;t work.<br>
&gt; With XAPI on Debian I had the same problem and solved it by running<br=
>
&gt; &quot;&quot;/etc/init.d/xapissl start&quot;.<br>
&gt; That script doesn&#39;t seem to exist any more in the kronos build tho=
ugh so I<br>
&gt; can&#39;t work out how to get it working. Any tips?<br>
&gt;<br>
&gt; Thanks :)<br>
<br>
</div></div>make sure you have a MANAGEMENT_INTERFACE=3D&#39;&#39; listed i=
n<br>
/etc/xcp/inventory and run<br>
/usr/lib/xcp/lib/xapissl start<br>
<br>
my sample inventory file below<br>
---------------------------------------------<br>
cat /etc/xcp/inventory<br>
BUILD_NUMBER=3D&#39;0&#39;<br>
CURRENT_INTERFACES=3D&#39;&#39;<br>
CONTROL_DOMAIN_UUID=3D&#39;2b6c86bc-a4fb-3854-3430-37f9e126c678&#39;<br>
MANAGEMENT_INTERFACE=3D&#39;xenbr0&#39;<br>
INSTALLATION_UUID=3D&#39;398bdbca-bb6b-ca54-5ba0-943deec7103d&#39;<br>
<br>
<br>
&gt;<br>
&gt; _______________________________________________<br>
&gt; xen-api mailing list<br>
&gt; <a href=3D"mailto:xen-api@lists.xensource.com">xen-api@lists.xensource=
.com</a><br>
&gt; <a href=3D"http://lists.xensource.com/mailman/listinfo/xen-api" target=
=3D"_blank">http://lists.xensource.com/mailman/listinfo/xen-api</a><br>
&gt;<br>
</blockquote></div><br></div>

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From: "msgbox450@gmail.com" <msgbox450@gmail.com>
To: Outback Dingo <outbackdingo@gmail.com>
Cc: xen-api@lists.xensource.com
Subject: Re: [Xen-API] XAPI on Ubuntu
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Thanks... that was the script I was looking for :)

It seems to be working, "xapissl status" says stunnel4 is running and if I
delete the xapi-ssl.conf and xapi-ssl.pem it regenerates them and runs...
however XenCenter is still telling me "Could not create SSL/TLS secure
channel" and I can't see anything about it in the logs :(



On Mon, Dec 26, 2011 at 12:20 AM, Outback Dingo <outbackdingo@gmail.com>wrote:

> On Sun, Dec 25, 2011 at 6:43 PM, msgbox450@gmail.com
> <msgbox450@gmail.com> wrote:
> > Hi Mike etc,
> >
> > I have tried installing XCP on Ubuntu and it went really smoothly this
> time.
> > The xe commands are working locally and the XAPI web service seems to be
> > listening on port 80. There is only issue however... XenCenter complains
> it
> > is unable to make a SSL connection and doesn't work.
> > With XAPI on Debian I had the same problem and solved it by running
> > ""/etc/init.d/xapissl start".
> > That script doesn't seem to exist any more in the kronos build though so
> I
> > can't work out how to get it working. Any tips?
> >
> > Thanks :)
>
> make sure you have a MANAGEMENT_INTERFACE='' listed in
> /etc/xcp/inventory and run
> /usr/lib/xcp/lib/xapissl start
>
> my sample inventory file below
> ---------------------------------------------
> cat /etc/xcp/inventory
> BUILD_NUMBER='0'
> CURRENT_INTERFACES=''
> CONTROL_DOMAIN_UUID='2b6c86bc-a4fb-3854-3430-37f9e126c678'
> MANAGEMENT_INTERFACE='xenbr0'
> INSTALLATION_UUID='398bdbca-bb6b-ca54-5ba0-943deec7103d'
>
>
> >
> > _______________________________________________
> > xen-api mailing list
> > xen-api@lists.xensource.com
> > http://lists.xensource.com/mailman/listinfo/xen-api
> >
>

--14dae9cdcbbfa8fa2b04b507607d
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Thanks... that was the script I was looking for :)<div><br></div><div>It se=
ems to be working, &quot;xapissl status&quot; says stunnel4 is running and =
if I delete the xapi-ssl.conf and xapi-ssl.pem it regenerates them and runs=
... however XenCenter is still telling me &quot;Could not create SSL/TLS se=
cure channel&quot; and I can&#39;t see anything about it in the logs :(</di=
v>
<div><br></div><div><br><br><div class=3D"gmail_quote">On Mon, Dec 26, 2011=
 at 12:20 AM, Outback Dingo <span dir=3D"ltr">&lt;<a href=3D"mailto:outback=
dingo@gmail.com">outbackdingo@gmail.com</a>&gt;</span> wrote:<br><blockquot=
e class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc sol=
id;padding-left:1ex">
<div class=3D"HOEnZb"><div class=3D"h5">On Sun, Dec 25, 2011 at 6:43 PM, <a=
 href=3D"mailto:msgbox450@gmail.com">msgbox450@gmail.com</a><br>
&lt;<a href=3D"mailto:msgbox450@gmail.com">msgbox450@gmail.com</a>&gt; wrot=
e:<br>
&gt; Hi Mike etc,<br>
&gt;<br>
&gt; I have tried installing XCP on Ubuntu and it went really smoothly this=
 time.<br>
&gt; The xe commands are working locally and the XAPI web service seems to =
be<br>
&gt; listening on port 80. There is only issue however... XenCenter complai=
ns it<br>
&gt; is unable to make a SSL connection and doesn&#39;t work.<br>
&gt; With XAPI on Debian I had the same problem and solved it by running<br=
>
&gt; &quot;&quot;/etc/init.d/xapissl start&quot;.<br>
&gt; That script doesn&#39;t seem to exist any more in the kronos build tho=
ugh so I<br>
&gt; can&#39;t work out how to get it working. Any tips?<br>
&gt;<br>
&gt; Thanks :)<br>
<br>
</div></div>make sure you have a MANAGEMENT_INTERFACE=3D&#39;&#39; listed i=
n<br>
/etc/xcp/inventory and run<br>
/usr/lib/xcp/lib/xapissl start<br>
<br>
my sample inventory file below<br>
---------------------------------------------<br>
cat /etc/xcp/inventory<br>
BUILD_NUMBER=3D&#39;0&#39;<br>
CURRENT_INTERFACES=3D&#39;&#39;<br>
CONTROL_DOMAIN_UUID=3D&#39;2b6c86bc-a4fb-3854-3430-37f9e126c678&#39;<br>
MANAGEMENT_INTERFACE=3D&#39;xenbr0&#39;<br>
INSTALLATION_UUID=3D&#39;398bdbca-bb6b-ca54-5ba0-943deec7103d&#39;<br>
<br>
<br>
&gt;<br>
&gt; _______________________________________________<br>
&gt; xen-api mailing list<br>
&gt; <a href=3D"mailto:xen-api@lists.xensource.com">xen-api@lists.xensource=
.com</a><br>
&gt; <a href=3D"http://lists.xensource.com/mailman/listinfo/xen-api" target=
=3D"_blank">http://lists.xensource.com/mailman/listinfo/xen-api</a><br>
&gt;<br>
</blockquote></div><br></div>

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From: Hu Xuelei <huxuelei630@gmail.com>
To: xen-api@lists.xensource.com
Subject: [Xen-API] Help, about build xcp.
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Hi, I'am new in Xen Cloud Platform.

I have download the source code iso from
http://downloads.xen.org/XCP/42052/sources/source-1.iso, but I do not know
how to build it.There are too many directories, rpms.

I have tried to build the Xen in the ISO, but failed. I have searched many
website, I found nothing. I even tried diffierent linux, such as REHL 5
x86_64, CentOS 5.5 32bit, failed at last too.

I felt very bad at this time, I really do not know how to make a progress.

If any one know something, please help me. thanks.

--14dae93410c91b690104b527cded
Content-Type: text/html; charset=ISO-8859-1
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<div>Hi, I&#39;am new in Xen Cloud Platform.</div>
<div>=A0</div>
<div>I have download the source code iso from <a href=3D"http://downloads.x=
en.org/XCP/42052/sources/source-1.iso">http://downloads.xen.org/XCP/42052/s=
ources/source-1.iso</a>, but I do not know how to build it.There are too ma=
ny directories, rpms.</div>

<div>=A0</div>
<div>I have tried to build the Xen in the ISO, but failed. I have searched =
many website, I found nothing. I even tried diffierent linux, such as REHL =
5 x86_64, CentOS 5.5 32bit, failed at last too.</div>
<div>=A0</div>
<div>I felt very bad at this time, I really do not know how to make a progr=
ess.</div>
<div>=A0</div>
<div>If any one know something, please help me. thanks.</div>

--14dae93410c91b690104b527cded--


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Subject: [Xen-API] Help, about build xcp.
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Hi, I'am new in Xen Cloud Platform.

I have download the source code iso from
http://downloads.xen.org/XCP/42052/sources/source-1.iso, but I do not know
how to build it.There are too many directories, rpms.

I have tried to build the Xen in the ISO, but failed. I have searched many
website, I found nothing. I even tried diffierent linux, such as REHL 5
x86_64, CentOS 5.5 32bit, failed at last too.

I felt very bad at this time, I really do not know how to make a progress.

If any one know something, please help me. thanks.

--14dae93410c91b690104b527cded
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<div>Hi, I&#39;am new in Xen Cloud Platform.</div>
<div>=A0</div>
<div>I have download the source code iso from <a href=3D"http://downloads.x=
en.org/XCP/42052/sources/source-1.iso">http://downloads.xen.org/XCP/42052/s=
ources/source-1.iso</a>, but I do not know how to build it.There are too ma=
ny directories, rpms.</div>

<div>=A0</div>
<div>I have tried to build the Xen in the ISO, but failed. I have searched =
many website, I found nothing. I even tried diffierent linux, such as REHL =
5 x86_64, CentOS 5.5 32bit, failed at last too.</div>
<div>=A0</div>
<div>I felt very bad at this time, I really do not know how to make a progr=
ess.</div>
<div>=A0</div>
<div>If any one know something, please help me. thanks.</div>

--14dae93410c91b690104b527cded--


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Subject: Re: [Xen-API] Help, about build xcp.
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The ISO is the most simple way to get XCP installed.  Be aware that this 
is a hypervisor product w/ the XCP platform attached.  You just boot 
from the cd and install away.  Then you need something like Xen Center 
or I guess something called Xen Open Manager if you want an easy to use 
GUI interface to created, deleted and edit VMs.

If your goal is to run XCP ontop of a distro such as Debian or Ubuntu, 
then you need to change the Kernel and I would recommend the XCP Wiki 
and Xen Hypervisor wiki as the best place to start over. This part was 
such a pain for me (since I want to manage it with a GUI and not a 
command line) that I eventually just ended up giving up on XEN.  But you 
need the XEN Hypervisor installed first, then you can install XCP(from 
my undestanding).

If you are just trying to use one machine as a server for your VM Host, 
then I recommend the ISO as it's the most "plug and pray" method available.

If your hardware is in some manner that isn't supported by the ISO, then 
you will need to get things going to set it up correctly w/ the proper 
kernel.

If this becomes too confusing (as it has for me) there are other 
software options available such as Qemu and KVM.  But I wouldn't jump on 
those unless you have exhausted all options and time on getting XEN up 
and running. Just focus on getting the Xen Hypervisor running (which i 
believe there is even a pkg available for) then worry about getting XCP 
installed.

Scott


On 12/28/11 8:27 AM, Hu Xuelei wrote:
> Hi, I'am new in Xen Cloud Platform.
> I have download the source code iso from 
> http://downloads.xen.org/XCP/42052/sources/source-1.iso, but I do not 
> know how to build it.There are too many directories, rpms.
> I have tried to build the Xen in the ISO, but failed. I have searched 
> many website, I found nothing. I even tried diffierent linux, such as 
> REHL 5 x86_64, CentOS 5.5 32bit, failed at last too.
> I felt very bad at this time, I really do not know how to make a progress.
> If any one know something, please help me. thanks.
>
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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<html>
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    <meta content="text/html; charset=ISO-8859-1"
      http-equiv="Content-Type">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    The ISO is the most simple way to get XCP installed.&nbsp; Be aware that
    this is a hypervisor product w/ the XCP platform attached.&nbsp; You just
    boot from the cd and install away.&nbsp; Then you need something like Xen
    Center or I guess something called Xen Open Manager if you want an
    easy to use GUI interface to created, deleted and edit VMs.<br>
    <br>
    If your goal is to run XCP ontop of a distro such as Debian or
    Ubuntu, then you need to change the Kernel and I would recommend the
    XCP Wiki and Xen Hypervisor wiki as the best place to start over.
    This part was such a pain for me (since I want to manage it with a
    GUI and not a command line) that I eventually just ended up giving
    up on XEN.&nbsp; But you need the XEN Hypervisor installed first, then
    you can install XCP(from my undestanding).<br>
    <br>
    If you are just trying to use one machine as a server for your VM
    Host, then I recommend the ISO as it's the most "plug and pray"
    method available.<br>
    <br>
    If your hardware is in some manner that isn't supported by the ISO,
    then you will need to get things going to set it up correctly w/ the
    proper kernel. <br>
    <br>
    If this becomes too confusing (as it has for me) there are other
    software options available such as Qemu and KVM.&nbsp; But I wouldn't
    jump on those unless you have exhausted all options and time on
    getting XEN up and running. Just focus on getting the Xen Hypervisor
    running (which i believe there is even a pkg available for) then
    worry about getting XCP installed.<br>
    <br>
    Scott<br>
    <br>
    <br>
    On 12/28/11 8:27 AM, Hu Xuelei wrote:
    <blockquote
cite="mid:CACmNAoHXc9GUDdcwg_ERdmZrtqs7toqb9hJDCzmSuqHPk7rsEA@mail.gmail.com"
      type="cite">
      <div>Hi, I'am new in Xen Cloud Platform.</div>
      <div>&nbsp;</div>
      <div>I have download the source code iso from <a
          moz-do-not-send="true"
          href="http://downloads.xen.org/XCP/42052/sources/source-1.iso">http://downloads.xen.org/XCP/42052/sources/source-1.iso</a>,
        but I do not know how to build it.There are too many
        directories, rpms.</div>
      <div>&nbsp;</div>
      <div>I have tried to build the Xen in the ISO, but failed. I have
        searched many website, I found nothing. I even tried diffierent
        linux, such as REHL 5 x86_64, CentOS 5.5 32bit, failed at last
        too.</div>
      <div>&nbsp;</div>
      <div>I felt very bad at this time, I really do not know how to
        make a progress.</div>
      <div>&nbsp;</div>
      <div>If any one know something, please help me. thanks.</div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
xen-api mailing list
<a class="moz-txt-link-abbreviated" href="mailto:xen-api@lists.xensource.com">xen-api@lists.xensource.com</a>
<a class="moz-txt-link-freetext" href="http://lists.xensource.com/mailman/listinfo/xen-api">http://lists.xensource.com/mailman/listinfo/xen-api</a>
</pre>
    </blockquote>
    <br>
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Subject: Re: [Xen-API] Help, about build xcp.
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The ISO is the most simple way to get XCP installed.  Be aware that this 
is a hypervisor product w/ the XCP platform attached.  You just boot 
from the cd and install away.  Then you need something like Xen Center 
or I guess something called Xen Open Manager if you want an easy to use 
GUI interface to created, deleted and edit VMs.

If your goal is to run XCP ontop of a distro such as Debian or Ubuntu, 
then you need to change the Kernel and I would recommend the XCP Wiki 
and Xen Hypervisor wiki as the best place to start over. This part was 
such a pain for me (since I want to manage it with a GUI and not a 
command line) that I eventually just ended up giving up on XEN.  But you 
need the XEN Hypervisor installed first, then you can install XCP(from 
my undestanding).

If you are just trying to use one machine as a server for your VM Host, 
then I recommend the ISO as it's the most "plug and pray" method available.

If your hardware is in some manner that isn't supported by the ISO, then 
you will need to get things going to set it up correctly w/ the proper 
kernel.

If this becomes too confusing (as it has for me) there are other 
software options available such as Qemu and KVM.  But I wouldn't jump on 
those unless you have exhausted all options and time on getting XEN up 
and running. Just focus on getting the Xen Hypervisor running (which i 
believe there is even a pkg available for) then worry about getting XCP 
installed.

Scott


On 12/28/11 8:27 AM, Hu Xuelei wrote:
> Hi, I'am new in Xen Cloud Platform.
> I have download the source code iso from 
> http://downloads.xen.org/XCP/42052/sources/source-1.iso, but I do not 
> know how to build it.There are too many directories, rpms.
> I have tried to build the Xen in the ISO, but failed. I have searched 
> many website, I found nothing. I even tried diffierent linux, such as 
> REHL 5 x86_64, CentOS 5.5 32bit, failed at last too.
> I felt very bad at this time, I really do not know how to make a progress.
> If any one know something, please help me. thanks.
>
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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      http-equiv="Content-Type">
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  <body bgcolor="#FFFFFF" text="#000000">
    The ISO is the most simple way to get XCP installed.&nbsp; Be aware that
    this is a hypervisor product w/ the XCP platform attached.&nbsp; You just
    boot from the cd and install away.&nbsp; Then you need something like Xen
    Center or I guess something called Xen Open Manager if you want an
    easy to use GUI interface to created, deleted and edit VMs.<br>
    <br>
    If your goal is to run XCP ontop of a distro such as Debian or
    Ubuntu, then you need to change the Kernel and I would recommend the
    XCP Wiki and Xen Hypervisor wiki as the best place to start over.
    This part was such a pain for me (since I want to manage it with a
    GUI and not a command line) that I eventually just ended up giving
    up on XEN.&nbsp; But you need the XEN Hypervisor installed first, then
    you can install XCP(from my undestanding).<br>
    <br>
    If you are just trying to use one machine as a server for your VM
    Host, then I recommend the ISO as it's the most "plug and pray"
    method available.<br>
    <br>
    If your hardware is in some manner that isn't supported by the ISO,
    then you will need to get things going to set it up correctly w/ the
    proper kernel. <br>
    <br>
    If this becomes too confusing (as it has for me) there are other
    software options available such as Qemu and KVM.&nbsp; But I wouldn't
    jump on those unless you have exhausted all options and time on
    getting XEN up and running. Just focus on getting the Xen Hypervisor
    running (which i believe there is even a pkg available for) then
    worry about getting XCP installed.<br>
    <br>
    Scott<br>
    <br>
    <br>
    On 12/28/11 8:27 AM, Hu Xuelei wrote:
    <blockquote
cite="mid:CACmNAoHXc9GUDdcwg_ERdmZrtqs7toqb9hJDCzmSuqHPk7rsEA@mail.gmail.com"
      type="cite">
      <div>Hi, I'am new in Xen Cloud Platform.</div>
      <div>&nbsp;</div>
      <div>I have download the source code iso from <a
          moz-do-not-send="true"
          href="http://downloads.xen.org/XCP/42052/sources/source-1.iso">http://downloads.xen.org/XCP/42052/sources/source-1.iso</a>,
        but I do not know how to build it.There are too many
        directories, rpms.</div>
      <div>&nbsp;</div>
      <div>I have tried to build the Xen in the ISO, but failed. I have
        searched many website, I found nothing. I even tried diffierent
        linux, such as REHL 5 x86_64, CentOS 5.5 32bit, failed at last
        too.</div>
      <div>&nbsp;</div>
      <div>I felt very bad at this time, I really do not know how to
        make a progress.</div>
      <div>&nbsp;</div>
      <div>If any one know something, please help me. thanks.</div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
xen-api mailing list
<a class="moz-txt-link-abbreviated" href="mailto:xen-api@lists.xensource.com">xen-api@lists.xensource.com</a>
<a class="moz-txt-link-freetext" href="http://lists.xensource.com/mailman/listinfo/xen-api">http://lists.xensource.com/mailman/listinfo/xen-api</a>
</pre>
    </blockquote>
    <br>
  </body>
</html>

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On Wed, Dec 28, 2011 at 9:27 AM, Hu Xuelei <huxuelei630@gmail.com> wrote:
> Hi, I'am new in Xen Cloud Platform.
>
> I have download the source code iso from
> http://downloads.xen.org/XCP/42052/sources/source-1.iso, but I do not know
> how to build it.There are too many directories, rpms.
>

You may want to take a look at Project Kronos:
http://wiki.xen.org/wiki/Project_Kronos

And building the XCP toolstack (XAPI) from source:
http://wiki.xen.org/wiki/Compile_the_XCP_toolstack_from_source

Hope that helps.

Thanks,
Todd

-- 
Todd Deshane
http://www.linkedin.com/in/deshantm
http://blog.xen.org/
http://wiki.xen.org/

_______________________________________________
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On Wed, Dec 28, 2011 at 9:27 AM, Hu Xuelei <huxuelei630@gmail.com> wrote:
> Hi, I'am new in Xen Cloud Platform.
>
> I have download the source code iso from
> http://downloads.xen.org/XCP/42052/sources/source-1.iso, but I do not know
> how to build it.There are too many directories, rpms.
>

You may want to take a look at Project Kronos:
http://wiki.xen.org/wiki/Project_Kronos

And building the XCP toolstack (XAPI) from source:
http://wiki.xen.org/wiki/Compile_the_XCP_toolstack_from_source

Hope that helps.

Thanks,
Todd

-- 
Todd Deshane
http://www.linkedin.com/in/deshantm
http://blog.xen.org/
http://wiki.xen.org/

_______________________________________________
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Hello List,

Merry Christmas to all !!

Basically I'm trying to boot a Windows 2008R2 DC HVM with 90GB static max
memory and 32GB static min.

The node config is Dell M610 with X5660 and 96GB RAM and its running XCP 1.1

Many times the node crashes while booting HVM. Sometimes I get success.
I have attached the HVM boot log of successful start. Many times the node
hangs as soon as the BalloonWorkerThread is activated.

In attached txt the ballon inflation rate is constant 4090
*XENUTIL: BalloonWorkerThread: inflated balloon by 4090 page(s) in 7924ms
(2064k/s)  *

till the time it starts, the inflation rate shoots to 12554884 and the VM
is live.
*XENUTIL: BalloonWorkerThread: inflated balloon by 12554884 page(s) in
32604ms (91243k/s) *
*XENUTIL: BalloonWorkerThread: de-activating *
*XENUTIL: XenevtchnMapResources setting callback irq to 11 *


Can some one help me understand the *BalloonWorkerThread *behavior ?*


*Many thanks,
Rushi

--0016364c78d1eb08b104b53ede33
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hello List,<br><br>Merry Christmas to all !!<br><br>Basically I&#39;m tryin=
g to boot a Windows 2008R2 DC HVM with 90GB static max memory and 32GB stat=
ic min.<br><br>The node config is Dell M610 with X5660 and 96GB RAM and its=
 running XCP 1.1<br>
<br>Many times the node crashes while booting HVM. Sometimes I get success.=
<br>I have attached the HVM boot log of successful start. Many times the no=
de hangs as soon as the BalloonWorkerThread is activated.<br><br>In attache=
d txt the ballon inflation rate is constant 4090 <br>
<i>XENUTIL: BalloonWorkerThread: inflated balloon by 4090 page(s) in 7924ms=
 (2064k/s)=A0 </i><br><br>till the time it starts, the inflation rate shoot=
s to 12554884 and the VM is live.<br><i>XENUTIL: BalloonWorkerThread: infla=
ted balloon by 12554884 page(s) in 32604ms (91243k/s) </i><br>
<i>XENUTIL: BalloonWorkerThread: de-activating </i><br><i>XENUTIL: Xenevtch=
nMapResources setting callback irq to 11 </i><br><br><br>Can some one help =
me understand the <i>BalloonWorkerThread </i>behavior ?<i><br><br><br></i>M=
any thanks,<br>
Rushi<br><br>

--0016364c78d1eb08b104b53ede33--
--0016364c78d1eb08b604b53ede35
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Subject: [Xen-API] BalloonWorkerThread issue
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--0016364c78d1eb08b104b53ede33
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Hello List,

Merry Christmas to all !!

Basically I'm trying to boot a Windows 2008R2 DC HVM with 90GB static max
memory and 32GB static min.

The node config is Dell M610 with X5660 and 96GB RAM and its running XCP 1.1

Many times the node crashes while booting HVM. Sometimes I get success.
I have attached the HVM boot log of successful start. Many times the node
hangs as soon as the BalloonWorkerThread is activated.

In attached txt the ballon inflation rate is constant 4090
*XENUTIL: BalloonWorkerThread: inflated balloon by 4090 page(s) in 7924ms
(2064k/s)  *

till the time it starts, the inflation rate shoots to 12554884 and the VM
is live.
*XENUTIL: BalloonWorkerThread: inflated balloon by 12554884 page(s) in
32604ms (91243k/s) *
*XENUTIL: BalloonWorkerThread: de-activating *
*XENUTIL: XenevtchnMapResources setting callback irq to 11 *


Can some one help me understand the *BalloonWorkerThread *behavior ?*


*Many thanks,
Rushi

--0016364c78d1eb08b104b53ede33
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Hello List,<br><br>Merry Christmas to all !!<br><br>Basically I&#39;m tryin=
g to boot a Windows 2008R2 DC HVM with 90GB static max memory and 32GB stat=
ic min.<br><br>The node config is Dell M610 with X5660 and 96GB RAM and its=
 running XCP 1.1<br>
<br>Many times the node crashes while booting HVM. Sometimes I get success.=
<br>I have attached the HVM boot log of successful start. Many times the no=
de hangs as soon as the BalloonWorkerThread is activated.<br><br>In attache=
d txt the ballon inflation rate is constant 4090 <br>
<i>XENUTIL: BalloonWorkerThread: inflated balloon by 4090 page(s) in 7924ms=
 (2064k/s)=A0 </i><br><br>till the time it starts, the inflation rate shoot=
s to 12554884 and the VM is live.<br><i>XENUTIL: BalloonWorkerThread: infla=
ted balloon by 12554884 page(s) in 32604ms (91243k/s) </i><br>
<i>XENUTIL: BalloonWorkerThread: de-activating </i><br><i>XENUTIL: Xenevtch=
nMapResources setting callback irq to 11 </i><br><br><br>Can some one help =
me understand the <i>BalloonWorkerThread </i>behavior ?<i><br><br><br></i>M=
any thanks,<br>
Rushi<br><br>

--0016364c78d1eb08b104b53ede33--
--0016364c78d1eb08b604b53ede35
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From: Tom Martin <t.martin@eins-plus.de>
To: xen-api@lists.xensource.com
Subject: [Xen-API]  Kronos - Fresh Install on Oneiric but no SM drivers
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--14dae9340623eb637b04b541ac9a
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hi
i just installed a fresh oneiric an followed the guide
http://wiki.xen.org/wiki/XCP_toolstack_on_a_Debian-based_distribution to
install xcp.
so far, this worked almost smooth. but now, i can't create any SR because
of missing drivers.

# xe sm-list
has no output.

the driver files are located at
/usr/lib/xen-common/xapi/sm
but the system doesn't seem to find them.

i found
http://xen.markmail.org/message/irxspdyer45skcmt?q=xen-api+driver+ext#query:xen-api%20driver%20ext+page:1+mid:zzybylsoe55gmh2o+state:results

on the mailing list and created a symlink to XenAPI.py in
/usr/lib/xen-common/xapi/sm,
but that didn't help.

any ideas how to find the error? any log-files to check?

thanks, tom

--14dae9340623eb637b04b541ac9a
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hi<div>i just installed a fresh oneiric an followed the guide=A0<a href=3D"=
http://wiki.xen.org/wiki/XCP_toolstack_on_a_Debian-based_distribution">http=
://wiki.xen.org/wiki/XCP_toolstack_on_a_Debian-based_distribution</a>=A0to =
install xcp.</div>
<div>so far, this worked almost smooth. but now, i can&#39;t create any SR =
because of missing drivers.</div><div><br></div><div># xe sm-list=A0</div><=
div>has no output.=A0</div><div><br></div><div>the driver files are located=
 at</div>
<div><span class=3D"Apple-style-span" style=3D"font-family:Arial,Helvetica,=
&#39;Luxi Sans&#39;,sans-serif;font-size:14px;white-space:pre;background-co=
lor:rgb(255,255,255)">/usr/lib/xen-common/xapi/sm</span></div><div><span cl=
ass=3D"Apple-style-span" style=3D"font-family:Arial,Helvetica,&#39;Luxi San=
s&#39;,sans-serif;font-size:14px;white-space:pre;background-color:rgb(255,2=
55,255)">but the system doesn&#39;t seem to find them.</span></div>
<div><span class=3D"Apple-style-span" style=3D"font-family:Arial,Helvetica,=
&#39;Luxi Sans&#39;,sans-serif;font-size:14px;white-space:pre;background-co=
lor:rgb(255,255,255)"><br></span></div><div><font class=3D"Apple-style-span=
" face=3D"Arial, Helvetica, &#39;Luxi Sans&#39;, sans-serif"><span class=3D=
"Apple-style-span" style=3D"font-size:14px;white-space:pre">i found</span><=
/font></div>
<div><div><a href=3D"http://xen.markmail.org/message/irxspdyer45skcmt?q=3Dx=
en-api+driver+ext#query:xen-api%20driver%20ext+page:1+mid:zzybylsoe55gmh2o+=
state:results">http://xen.markmail.org/message/irxspdyer45skcmt?q=3Dxen-api=
+driver+ext#query:xen-api%20driver%20ext+page:1+mid:zzybylsoe55gmh2o+state:=
results</a></div>
</div><div><br></div><div><span class=3D"Apple-style-span" style=3D"font-fa=
mily:Arial,Helvetica,&#39;Luxi Sans&#39;,sans-serif;font-size:14px;white-sp=
ace:pre;background-color:rgb(255,255,255)">on the mailing list and created =
a symlink to </span><span class=3D"Apple-style-span" style=3D"font-family:A=
rial,Helvetica,&#39;Luxi Sans&#39;,sans-serif;font-size:14px;white-space:pr=
e;background-color:rgb(255,255,255)">XenAPI.py in </span><span class=3D"App=
le-style-span" style=3D"font-family:Arial,Helvetica,&#39;Luxi Sans&#39;,san=
s-serif;font-size:14px;white-space:pre;background-color:rgb(255,255,255)">/=
usr/lib/xen-common/xapi/sm, but that didn&#39;t help.</span></div>
<div><span class=3D"Apple-style-span" style=3D"font-family:Arial,Helvetica,=
&#39;Luxi Sans&#39;,sans-serif;font-size:14px;white-space:pre;background-co=
lor:rgb(255,255,255)"><br></span></div><div><span class=3D"Apple-style-span=
" style=3D"font-family:Arial,Helvetica,&#39;Luxi Sans&#39;,sans-serif;font-=
size:14px;white-space:pre;background-color:rgb(255,255,255)">any ideas how =
to find the error? any log-files to check?</span></div>
<div><span class=3D"Apple-style-span" style=3D"font-family:Arial,Helvetica,=
&#39;Luxi Sans&#39;,sans-serif;font-size:14px;white-space:pre;background-co=
lor:rgb(255,255,255)"><br></span></div><div><span class=3D"Apple-style-span=
" style=3D"font-family:Arial,Helvetica,&#39;Luxi Sans&#39;,sans-serif;font-=
size:14px;white-space:pre;background-color:rgb(255,255,255)">thanks, tom</s=
pan></div>
<div><span class=3D"Apple-style-span" style=3D"font-family:Arial,Helvetica,=
&#39;Luxi Sans&#39;,sans-serif;font-size:14px;white-space:pre;background-co=
lor:rgb(255,255,255)"><br></span></div>

--14dae9340623eb637b04b541ac9a--


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--===============4377843246133123168==--


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From: Tom Martin <t.martin@eins-plus.de>
To: xen-api@lists.xensource.com
Subject: [Xen-API]  Kronos - Fresh Install on Oneiric but no SM drivers
X-BeenThere: xen-api@lists.xensource.com
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--14dae9340623eb637b04b541ac9a
Content-Type: text/plain; charset=ISO-8859-1

hi
i just installed a fresh oneiric an followed the guide
http://wiki.xen.org/wiki/XCP_toolstack_on_a_Debian-based_distribution to
install xcp.
so far, this worked almost smooth. but now, i can't create any SR because
of missing drivers.

# xe sm-list
has no output.

the driver files are located at
/usr/lib/xen-common/xapi/sm
but the system doesn't seem to find them.

i found
http://xen.markmail.org/message/irxspdyer45skcmt?q=xen-api+driver+ext#query:xen-api%20driver%20ext+page:1+mid:zzybylsoe55gmh2o+state:results

on the mailing list and created a symlink to XenAPI.py in
/usr/lib/xen-common/xapi/sm,
but that didn't help.

any ideas how to find the error? any log-files to check?

thanks, tom

--14dae9340623eb637b04b541ac9a
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

hi<div>i just installed a fresh oneiric an followed the guide=A0<a href=3D"=
http://wiki.xen.org/wiki/XCP_toolstack_on_a_Debian-based_distribution">http=
://wiki.xen.org/wiki/XCP_toolstack_on_a_Debian-based_distribution</a>=A0to =
install xcp.</div>
<div>so far, this worked almost smooth. but now, i can&#39;t create any SR =
because of missing drivers.</div><div><br></div><div># xe sm-list=A0</div><=
div>has no output.=A0</div><div><br></div><div>the driver files are located=
 at</div>
<div><span class=3D"Apple-style-span" style=3D"font-family:Arial,Helvetica,=
&#39;Luxi Sans&#39;,sans-serif;font-size:14px;white-space:pre;background-co=
lor:rgb(255,255,255)">/usr/lib/xen-common/xapi/sm</span></div><div><span cl=
ass=3D"Apple-style-span" style=3D"font-family:Arial,Helvetica,&#39;Luxi San=
s&#39;,sans-serif;font-size:14px;white-space:pre;background-color:rgb(255,2=
55,255)">but the system doesn&#39;t seem to find them.</span></div>
<div><span class=3D"Apple-style-span" style=3D"font-family:Arial,Helvetica,=
&#39;Luxi Sans&#39;,sans-serif;font-size:14px;white-space:pre;background-co=
lor:rgb(255,255,255)"><br></span></div><div><font class=3D"Apple-style-span=
" face=3D"Arial, Helvetica, &#39;Luxi Sans&#39;, sans-serif"><span class=3D=
"Apple-style-span" style=3D"font-size:14px;white-space:pre">i found</span><=
/font></div>
<div><div><a href=3D"http://xen.markmail.org/message/irxspdyer45skcmt?q=3Dx=
en-api+driver+ext#query:xen-api%20driver%20ext+page:1+mid:zzybylsoe55gmh2o+=
state:results">http://xen.markmail.org/message/irxspdyer45skcmt?q=3Dxen-api=
+driver+ext#query:xen-api%20driver%20ext+page:1+mid:zzybylsoe55gmh2o+state:=
results</a></div>
</div><div><br></div><div><span class=3D"Apple-style-span" style=3D"font-fa=
mily:Arial,Helvetica,&#39;Luxi Sans&#39;,sans-serif;font-size:14px;white-sp=
ace:pre;background-color:rgb(255,255,255)">on the mailing list and created =
a symlink to </span><span class=3D"Apple-style-span" style=3D"font-family:A=
rial,Helvetica,&#39;Luxi Sans&#39;,sans-serif;font-size:14px;white-space:pr=
e;background-color:rgb(255,255,255)">XenAPI.py in </span><span class=3D"App=
le-style-span" style=3D"font-family:Arial,Helvetica,&#39;Luxi Sans&#39;,san=
s-serif;font-size:14px;white-space:pre;background-color:rgb(255,255,255)">/=
usr/lib/xen-common/xapi/sm, but that didn&#39;t help.</span></div>
<div><span class=3D"Apple-style-span" style=3D"font-family:Arial,Helvetica,=
&#39;Luxi Sans&#39;,sans-serif;font-size:14px;white-space:pre;background-co=
lor:rgb(255,255,255)"><br></span></div><div><span class=3D"Apple-style-span=
" style=3D"font-family:Arial,Helvetica,&#39;Luxi Sans&#39;,sans-serif;font-=
size:14px;white-space:pre;background-color:rgb(255,255,255)">any ideas how =
to find the error? any log-files to check?</span></div>
<div><span class=3D"Apple-style-span" style=3D"font-family:Arial,Helvetica,=
&#39;Luxi Sans&#39;,sans-serif;font-size:14px;white-space:pre;background-co=
lor:rgb(255,255,255)"><br></span></div><div><span class=3D"Apple-style-span=
" style=3D"font-family:Arial,Helvetica,&#39;Luxi Sans&#39;,sans-serif;font-=
size:14px;white-space:pre;background-color:rgb(255,255,255)">thanks, tom</s=
pan></div>
<div><span class=3D"Apple-style-span" style=3D"font-family:Arial,Helvetica,=
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Subject: Re: [Xen-API] Kronos - Fresh Install on Oneiric but no SM drivers
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On Thu, Dec 29, 2011 at 4:19 PM, Tom Martin <t.martin@eins-plus.de> wrote:
> hi
> i just installed a fresh oneiric an followed the
> guide=A0http://wiki.xen.org/wiki/XCP_toolstack_on_a_Debian-based_distribu=
tion=A0to
> install xcp.
> so far, this worked almost smooth. but now, i can't create any SR because=
 of
> missing drivers.

I would recommend to use the Debian repositories on Ubuntu (that is
what I am using):
you can add a file in  /etc/apt/sources.list.d

for example: kronos-debian.list, with the contents:
=A0deb http://downloads.xen.org/XCP/debian/repo/apt/debian unstable
maindeb-src http://downloads.xen.org/XCP/debian/repo/apt/debian
unstable maindeb http://ftp.uk.debian.org/debian/ experimental
maindeb-src http://ftp.uk.debian.org/debian/ experimental main
That way, when we fix the Ubuntu repo, you can remove that file and
use the Ubuntu one again.

Do make sure that you have xcp-storage-managers installed.

Hope that helps.

Thanks,
Todd

-- =

Todd Deshane
http://www.linkedin.com/in/deshantm
http://blog.xen.org/
http://wiki.xen.org/

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On Thu, Dec 29, 2011 at 4:19 PM, Tom Martin <t.martin@eins-plus.de> wrote:
> hi
> i just installed a fresh oneiric an followed the
> guide=A0http://wiki.xen.org/wiki/XCP_toolstack_on_a_Debian-based_distribu=
tion=A0to
> install xcp.
> so far, this worked almost smooth. but now, i can't create any SR because=
 of
> missing drivers.

I would recommend to use the Debian repositories on Ubuntu (that is
what I am using):
you can add a file in  /etc/apt/sources.list.d

for example: kronos-debian.list, with the contents:
=A0deb http://downloads.xen.org/XCP/debian/repo/apt/debian unstable
maindeb-src http://downloads.xen.org/XCP/debian/repo/apt/debian
unstable maindeb http://ftp.uk.debian.org/debian/ experimental
maindeb-src http://ftp.uk.debian.org/debian/ experimental main
That way, when we fix the Ubuntu repo, you can remove that file and
use the Ubuntu one again.

Do make sure that you have xcp-storage-managers installed.

Hope that helps.

Thanks,
Todd

-- =

Todd Deshane
http://www.linkedin.com/in/deshantm
http://blog.xen.org/
http://wiki.xen.org/

_______________________________________________
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From: Hu Xuelei <huxuelei630@gmail.com>
To: Todd Deshane <todd.deshane@xen.org>
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Subject: Re: [Xen-API] Help, about build xcp.
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Thanks, Todd and Scott.

But I am still confused. There are many rpms in the souce's ISO image.I do
not know which package is need.

I guess, I should compile xen source ,then xapi. Is that right?

On Thu, Dec 29, 2011 at 12:41 PM, Todd Deshane <todd.deshane@xen.org> wrote:

> On Wed, Dec 28, 2011 at 9:27 AM, Hu Xuelei <huxuelei630@gmail.com> wrote:
> > Hi, I'am new in Xen Cloud Platform.
> >
> > I have download the source code iso from
> > http://downloads.xen.org/XCP/42052/sources/source-1.iso, but I do not
> know
> > how to build it.There are too many directories, rpms.
> >
>
> You may want to take a look at Project Kronos:
> http://wiki.xen.org/wiki/Project_Kronos
>
> And building the XCP toolstack (XAPI) from source:
> http://wiki.xen.org/wiki/Compile_the_XCP_toolstack_from_source
>
> Hope that helps.
>
> Thanks,
> Todd
>
> --
> Todd Deshane
> http://www.linkedin.com/in/deshantm
> http://blog.xen.org/
> http://wiki.xen.org/
>

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Thanks, Todd and Scott.<br><br>But I am still confused. There are many rpms=
 in the souce&#39;s ISO image.I do not know which package is need.<br><br>I=
 guess, I should compile xen source ,then xapi. Is that right?<br><br><div =
class=3D"gmail_quote">
On Thu, Dec 29, 2011 at 12:41 PM, Todd Deshane <span dir=3D"ltr">&lt;<a hre=
f=3D"mailto:todd.deshane@xen.org">todd.deshane@xen.org</a>&gt;</span> wrote=
:<br><blockquote class=3D"gmail_quote" style=3D"margin:0pt 0pt 0pt 0.8ex;bo=
rder-left:1px solid rgb(204,204,204);padding-left:1ex">
<div class=3D"im">On Wed, Dec 28, 2011 at 9:27 AM, Hu Xuelei &lt;<a href=3D=
"mailto:huxuelei630@gmail.com">huxuelei630@gmail.com</a>&gt; wrote:<br>
&gt; Hi, I&#39;am new in Xen Cloud Platform.<br>
&gt;<br>
&gt; I have download the source code iso from<br>
&gt; <a href=3D"http://downloads.xen.org/XCP/42052/sources/source-1.iso" ta=
rget=3D"_blank">http://downloads.xen.org/XCP/42052/sources/source-1.iso</a>=
, but I do not know<br>
&gt; how to build it.There are too many directories, rpms.<br>
&gt;<br>
<br>
</div>You may want to take a look at Project Kronos:<br>
<a href=3D"http://wiki.xen.org/wiki/Project_Kronos" target=3D"_blank">http:=
//wiki.xen.org/wiki/Project_Kronos</a><br>
<br>
And building the XCP toolstack (XAPI) from source:<br>
<a href=3D"http://wiki.xen.org/wiki/Compile_the_XCP_toolstack_from_source" =
target=3D"_blank">http://wiki.xen.org/wiki/Compile_the_XCP_toolstack_from_s=
ource</a><br>
<br>
Hope that helps.<br>
<br>
Thanks,<br>
Todd<br>
<font color=3D"#888888"><br>
--<br>
Todd Deshane<br>
<a href=3D"http://www.linkedin.com/in/deshantm" target=3D"_blank">http://ww=
w.linkedin.com/in/deshantm</a><br>
<a href=3D"http://blog.xen.org/" target=3D"_blank">http://blog.xen.org/</a>=
<br>
<a href=3D"http://wiki.xen.org/" target=3D"_blank">http://wiki.xen.org/</a>=
<br>
</font></blockquote></div><br>

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From: Hu Xuelei <huxuelei630@gmail.com>
To: Todd Deshane <todd.deshane@xen.org>
Cc: xen-api@lists.xensource.com
Subject: Re: [Xen-API] Help, about build xcp.
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Thanks, Todd and Scott.

But I am still confused. There are many rpms in the souce's ISO image.I do
not know which package is need.

I guess, I should compile xen source ,then xapi. Is that right?

On Thu, Dec 29, 2011 at 12:41 PM, Todd Deshane <todd.deshane@xen.org> wrote:

> On Wed, Dec 28, 2011 at 9:27 AM, Hu Xuelei <huxuelei630@gmail.com> wrote:
> > Hi, I'am new in Xen Cloud Platform.
> >
> > I have download the source code iso from
> > http://downloads.xen.org/XCP/42052/sources/source-1.iso, but I do not
> know
> > how to build it.There are too many directories, rpms.
> >
>
> You may want to take a look at Project Kronos:
> http://wiki.xen.org/wiki/Project_Kronos
>
> And building the XCP toolstack (XAPI) from source:
> http://wiki.xen.org/wiki/Compile_the_XCP_toolstack_from_source
>
> Hope that helps.
>
> Thanks,
> Todd
>
> --
> Todd Deshane
> http://www.linkedin.com/in/deshantm
> http://blog.xen.org/
> http://wiki.xen.org/
>

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Thanks, Todd and Scott.<br><br>But I am still confused. There are many rpms=
 in the souce&#39;s ISO image.I do not know which package is need.<br><br>I=
 guess, I should compile xen source ,then xapi. Is that right?<br><br><div =
class=3D"gmail_quote">
On Thu, Dec 29, 2011 at 12:41 PM, Todd Deshane <span dir=3D"ltr">&lt;<a hre=
f=3D"mailto:todd.deshane@xen.org">todd.deshane@xen.org</a>&gt;</span> wrote=
:<br><blockquote class=3D"gmail_quote" style=3D"margin:0pt 0pt 0pt 0.8ex;bo=
rder-left:1px solid rgb(204,204,204);padding-left:1ex">
<div class=3D"im">On Wed, Dec 28, 2011 at 9:27 AM, Hu Xuelei &lt;<a href=3D=
"mailto:huxuelei630@gmail.com">huxuelei630@gmail.com</a>&gt; wrote:<br>
&gt; Hi, I&#39;am new in Xen Cloud Platform.<br>
&gt;<br>
&gt; I have download the source code iso from<br>
&gt; <a href=3D"http://downloads.xen.org/XCP/42052/sources/source-1.iso" ta=
rget=3D"_blank">http://downloads.xen.org/XCP/42052/sources/source-1.iso</a>=
, but I do not know<br>
&gt; how to build it.There are too many directories, rpms.<br>
&gt;<br>
<br>
</div>You may want to take a look at Project Kronos:<br>
<a href=3D"http://wiki.xen.org/wiki/Project_Kronos" target=3D"_blank">http:=
//wiki.xen.org/wiki/Project_Kronos</a><br>
<br>
And building the XCP toolstack (XAPI) from source:<br>
<a href=3D"http://wiki.xen.org/wiki/Compile_the_XCP_toolstack_from_source" =
target=3D"_blank">http://wiki.xen.org/wiki/Compile_the_XCP_toolstack_from_s=
ource</a><br>
<br>
Hope that helps.<br>
<br>
Thanks,<br>
Todd<br>
<font color=3D"#888888"><br>
--<br>
Todd Deshane<br>
<a href=3D"http://www.linkedin.com/in/deshantm" target=3D"_blank">http://ww=
w.linkedin.com/in/deshantm</a><br>
<a href=3D"http://blog.xen.org/" target=3D"_blank">http://blog.xen.org/</a>=
<br>
<a href=3D"http://wiki.xen.org/" target=3D"_blank">http://wiki.xen.org/</a>=
<br>
</font></blockquote></div><br>

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Subject: Re: [Xen-API] Help, about build xcp.
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If this is a clean install, it's all been done for you already, you 
would want to download this BASE ISO. 
http://www.xen.org/download/xcp/index_1.1.0.html

Burn it to a CD/DVD, boot from it install away.  If you want something 
other than XCP then I mistook what you really wanted.

If you are using a Ubuntu or Debian kernel then you need to get a DOM0 
kernel installed instead of the one you are using, that is compatible 
with whatever linux verison you are using.





On 12/30/11 12:25 AM, Hu Xuelei wrote:
> Thanks, Todd and Scott.
>
> But I am still confused. There are many rpms in the souce's ISO 
> image.I do not know which package is need.
>
> I guess, I should compile xen source ,then xapi. Is that right?
>
> On Thu, Dec 29, 2011 at 12:41 PM, Todd Deshane <todd.deshane@xen.org 
> <mailto:todd.deshane@xen.org>> wrote:
>
>     On Wed, Dec 28, 2011 at 9:27 AM, Hu Xuelei <huxuelei630@gmail.com
>     <mailto:huxuelei630@gmail.com>> wrote:
>     > Hi, I'am new in Xen Cloud Platform.
>     >
>     > I have download the source code iso from
>     > http://downloads.xen.org/XCP/42052/sources/source-1.iso, but I
>     do not know
>     > how to build it.There are too many directories, rpms.
>     >
>
>     You may want to take a look at Project Kronos:
>     http://wiki.xen.org/wiki/Project_Kronos
>
>     And building the XCP toolstack (XAPI) from source:
>     http://wiki.xen.org/wiki/Compile_the_XCP_toolstack_from_source
>
>     Hope that helps.
>
>     Thanks,
>     Todd
>
>     --
>     Todd Deshane
>     http://www.linkedin.com/in/deshantm
>     http://blog.xen.org/
>     http://wiki.xen.org/
>
>
>
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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<html>
  <head>
    <meta content="text/html; charset=ISO-8859-1"
      http-equiv="Content-Type">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    If this is a clean install, it's all been done for you already, you
    would want to download this BASE ISO.
    <a class="moz-txt-link-freetext" href="http://www.xen.org/download/xcp/index_1.1.0.html">http://www.xen.org/download/xcp/index_1.1.0.html</a><br>
    <br>
    Burn it to a CD/DVD, boot from it install away.&nbsp; If you want
    something other than XCP then I mistook what you really wanted.<br>
    <br>
    If you are using a Ubuntu or Debian kernel then you need to get a
    DOM0 kernel installed instead of the one you are using, that is
    compatible with whatever linux verison you are using.<br>
    <br>
    <br>
    <br>
    <br>
    <br>
    On 12/30/11 12:25 AM, Hu Xuelei wrote:
    <blockquote
cite="mid:CACmNAoEdLt23-XSu1V=ObGmMH+hh64hULrXS86S=auPfCeaW4A@mail.gmail.com"
      type="cite">Thanks, Todd and Scott.<br>
      <br>
      But I am still confused. There are many rpms in the souce's ISO
      image.I do not know which package is need.<br>
      <br>
      I guess, I should compile xen source ,then xapi. Is that right?<br>
      <br>
      <div class="gmail_quote">
        On Thu, Dec 29, 2011 at 12:41 PM, Todd Deshane <span dir="ltr">&lt;<a
            moz-do-not-send="true" href="mailto:todd.deshane@xen.org">todd.deshane@xen.org</a>&gt;</span>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin:0pt 0pt 0pt
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div class="im">On Wed, Dec 28, 2011 at 9:27 AM, Hu Xuelei
            &lt;<a moz-do-not-send="true"
              href="mailto:huxuelei630@gmail.com">huxuelei630@gmail.com</a>&gt;
            wrote:<br>
            &gt; Hi, I'am new in Xen Cloud Platform.<br>
            &gt;<br>
            &gt; I have download the source code iso from<br>
            &gt; <a moz-do-not-send="true"
              href="http://downloads.xen.org/XCP/42052/sources/source-1.iso"
              target="_blank">http://downloads.xen.org/XCP/42052/sources/source-1.iso</a>,
            but I do not know<br>
            &gt; how to build it.There are too many directories, rpms.<br>
            &gt;<br>
            <br>
          </div>
          You may want to take a look at Project Kronos:<br>
          <a moz-do-not-send="true"
            href="http://wiki.xen.org/wiki/Project_Kronos"
            target="_blank">http://wiki.xen.org/wiki/Project_Kronos</a><br>
          <br>
          And building the XCP toolstack (XAPI) from source:<br>
          <a moz-do-not-send="true"
            href="http://wiki.xen.org/wiki/Compile_the_XCP_toolstack_from_source"
            target="_blank">http://wiki.xen.org/wiki/Compile_the_XCP_toolstack_from_source</a><br>
          <br>
          Hope that helps.<br>
          <br>
          Thanks,<br>
          Todd<br>
          <font color="#888888"><br>
            --<br>
            Todd Deshane<br>
            <a moz-do-not-send="true"
              href="http://www.linkedin.com/in/deshantm" target="_blank">http://www.linkedin.com/in/deshantm</a><br>
            <a moz-do-not-send="true" href="http://blog.xen.org/"
              target="_blank">http://blog.xen.org/</a><br>
            <a moz-do-not-send="true" href="http://wiki.xen.org/"
              target="_blank">http://wiki.xen.org/</a><br>
          </font></blockquote>
      </div>
      <br>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
xen-api mailing list
<a class="moz-txt-link-abbreviated" href="mailto:xen-api@lists.xensource.com">xen-api@lists.xensource.com</a>
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</pre>
    </blockquote>
    <br>
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If this is a clean install, it's all been done for you already, you 
would want to download this BASE ISO. 
http://www.xen.org/download/xcp/index_1.1.0.html

Burn it to a CD/DVD, boot from it install away.  If you want something 
other than XCP then I mistook what you really wanted.

If you are using a Ubuntu or Debian kernel then you need to get a DOM0 
kernel installed instead of the one you are using, that is compatible 
with whatever linux verison you are using.





On 12/30/11 12:25 AM, Hu Xuelei wrote:
> Thanks, Todd and Scott.
>
> But I am still confused. There are many rpms in the souce's ISO 
> image.I do not know which package is need.
>
> I guess, I should compile xen source ,then xapi. Is that right?
>
> On Thu, Dec 29, 2011 at 12:41 PM, Todd Deshane <todd.deshane@xen.org 
> <mailto:todd.deshane@xen.org>> wrote:
>
>     On Wed, Dec 28, 2011 at 9:27 AM, Hu Xuelei <huxuelei630@gmail.com
>     <mailto:huxuelei630@gmail.com>> wrote:
>     > Hi, I'am new in Xen Cloud Platform.
>     >
>     > I have download the source code iso from
>     > http://downloads.xen.org/XCP/42052/sources/source-1.iso, but I
>     do not know
>     > how to build it.There are too many directories, rpms.
>     >
>
>     You may want to take a look at Project Kronos:
>     http://wiki.xen.org/wiki/Project_Kronos
>
>     And building the XCP toolstack (XAPI) from source:
>     http://wiki.xen.org/wiki/Compile_the_XCP_toolstack_from_source
>
>     Hope that helps.
>
>     Thanks,
>     Todd
>
>     --
>     Todd Deshane
>     http://www.linkedin.com/in/deshantm
>     http://blog.xen.org/
>     http://wiki.xen.org/
>
>
>
>
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api


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    If this is a clean install, it's all been done for you already, you
    would want to download this BASE ISO.
    <a class="moz-txt-link-freetext" href="http://www.xen.org/download/xcp/index_1.1.0.html">http://www.xen.org/download/xcp/index_1.1.0.html</a><br>
    <br>
    Burn it to a CD/DVD, boot from it install away.&nbsp; If you want
    something other than XCP then I mistook what you really wanted.<br>
    <br>
    If you are using a Ubuntu or Debian kernel then you need to get a
    DOM0 kernel installed instead of the one you are using, that is
    compatible with whatever linux verison you are using.<br>
    <br>
    <br>
    <br>
    <br>
    <br>
    On 12/30/11 12:25 AM, Hu Xuelei wrote:
    <blockquote
cite="mid:CACmNAoEdLt23-XSu1V=ObGmMH+hh64hULrXS86S=auPfCeaW4A@mail.gmail.com"
      type="cite">Thanks, Todd and Scott.<br>
      <br>
      But I am still confused. There are many rpms in the souce's ISO
      image.I do not know which package is need.<br>
      <br>
      I guess, I should compile xen source ,then xapi. Is that right?<br>
      <br>
      <div class="gmail_quote">
        On Thu, Dec 29, 2011 at 12:41 PM, Todd Deshane <span dir="ltr">&lt;<a
            moz-do-not-send="true" href="mailto:todd.deshane@xen.org">todd.deshane@xen.org</a>&gt;</span>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin:0pt 0pt 0pt
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div class="im">On Wed, Dec 28, 2011 at 9:27 AM, Hu Xuelei
            &lt;<a moz-do-not-send="true"
              href="mailto:huxuelei630@gmail.com">huxuelei630@gmail.com</a>&gt;
            wrote:<br>
            &gt; Hi, I'am new in Xen Cloud Platform.<br>
            &gt;<br>
            &gt; I have download the source code iso from<br>
            &gt; <a moz-do-not-send="true"
              href="http://downloads.xen.org/XCP/42052/sources/source-1.iso"
              target="_blank">http://downloads.xen.org/XCP/42052/sources/source-1.iso</a>,
            but I do not know<br>
            &gt; how to build it.There are too many directories, rpms.<br>
            &gt;<br>
            <br>
          </div>
          You may want to take a look at Project Kronos:<br>
          <a moz-do-not-send="true"
            href="http://wiki.xen.org/wiki/Project_Kronos"
            target="_blank">http://wiki.xen.org/wiki/Project_Kronos</a><br>
          <br>
          And building the XCP toolstack (XAPI) from source:<br>
          <a moz-do-not-send="true"
            href="http://wiki.xen.org/wiki/Compile_the_XCP_toolstack_from_source"
            target="_blank">http://wiki.xen.org/wiki/Compile_the_XCP_toolstack_from_source</a><br>
          <br>
          Hope that helps.<br>
          <br>
          Thanks,<br>
          Todd<br>
          <font color="#888888"><br>
            --<br>
            Todd Deshane<br>
            <a moz-do-not-send="true"
              href="http://www.linkedin.com/in/deshantm" target="_blank">http://www.linkedin.com/in/deshantm</a><br>
            <a moz-do-not-send="true" href="http://blog.xen.org/"
              target="_blank">http://blog.xen.org/</a><br>
            <a moz-do-not-send="true" href="http://wiki.xen.org/"
              target="_blank">http://wiki.xen.org/</a><br>
          </font></blockquote>
      </div>
      <br>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
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</pre>
    </blockquote>
    <br>
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