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Re: [Xen-users] Question about stacklet ubuntu pv domu images andxen4.0



Hi Donny,

I knew you'd like them! TO this very day, I still have no idea how to get Ubuntu 10.04 on Xen without using Stacklet's images!

BTW, IMHO, I'd try and avoid using libvirt (virsh). You may find that it works ok for you, however I had no end of trouble with it (It seems to break across minor Xen versions). What I have done is just tried and learnt everything using xm and manual config file editing. I also feel that it's better to know Xen inside out, before placing a top layer management tool.

Just my 2 cents, but if you find virsh/libvirt/virt-manager works well for you, then by all means use it :)

Cheers,

Jonathan

On 02/07/10 21:57, Donny Brooks wrote:
You were correct about the stacklet images. THEY ROCK!!!!!!!!!!!! I had my ubuntu pv domu up and running within 20 minutes of the time I paid/registered. That breaks down like this:

15 minutes was downloading the image here at work on our slow connection
4 minutes 45 seconds was dd'ing the image to an lv
15 seconds was editing the config and running 'xm create -c stacklet-ubuntu-pv.cfg'

Now just to figure out the whole 'virsh domxml-from-native' command... and how to get it on a specific bridge interface I need it to... To google I go!!!!!!

Thanks again for everyones help. Next is trying to work on migration and drbd stuff.

On 7/2/2010 11:37 AM, Jonathan Tripathy wrote:
Hi Donny,
 
You're miles ahead of me! I'm only really just starting out with Xen. All my past experience is with VMWare esxi, however since I wish to host VMs for customers, VMWare doesn't allow this without paying money...
 
My servers which will go live soon will be running CentOS 5.5 with Gitco's 3.4.2 Xen. All the DomU images will be from stacklet. As for storage, I think I'm eventually going to get a central storage server, and export a few LVs via "ATA over Ethernet", as I've heard it can be faster than iSCSI
 
Cheers
 
Jonny


From: Donny Brooks [mailto:dbrooks@xxxxxxxxxxxxxxxx]
Sent: Fri 02/07/2010 17:33
To: Jonathan Tripathy
Subject: Re: [Xen-users] Question about stacklet ubuntu pv domu images andxen4.0

Thanks. I am usually the kind of guy that can just figure stuff out. And I have been running Xen at home for well over a year (more like two IIRC) but I have never ventured out past "what works" and distro supported versions till recently. My production setup at home is still running on an ubuntu 8.04 dom0 with Xen version 3.2.1-rc1-pre. All my domu's at home are pretty much ubuntu with the only exception being my PBX that runs on Centos. I got that as an image from someone else and customized it for my needs. So this foray into the bowels of Xen has been interesting for me. Next thing to test is live migration. I now have setup a secondary Xen server at home running Centos 5.5 with Xen 3.4.2 from the gitco repo so I can do some testing with this. All in all I like xen and what it can do. Just wish it was a hair easier to figure things out!

Thanks again.

Donny B.

On 7/2/2010 11:07 AM, Jonathan Tripathy wrote:
Yes. That is exactly what I do. Make your inital LV size 10GB. Then dd the img over to the LV. Then you can shrink/expand LV and filesystem.
Don't worry about what's happened recently. Xen was and still is a big learning curve for me too :)

 

From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx on behalf of Donny Brooks
Sent: Fri 02/07/2010 17:03
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Question about stacklet ubuntu pv domu images andxen4.0

I know it is an .img file but I should be able to simply "dd" that to a lv and change the config accordingly if I want to use a physical lv rather than image file correct? I know it may seem obvious but I think after the fight I have had trying to setup the regular way I make no assumptions. Thanks in advance.


On 7/2/2010 10:14 AM, Jonathan Tripathy wrote:
Stacklet Xen images work very well. Right out of the box. He even gives you a config file! I don't know the guy, but his work is very good!
 
It will save your hair.
 
Also, you don't need to stay subscribed. It's GPL GNU/Linux. Just stay subscribed for the first month...


From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx on behalf of Donny Brooks
Sent: Fri 02/07/2010 16:02
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Question about stacklet ubuntu pv domu images and xen4.0

I am just about to pull my hair out trying to get an ubuntu 10.04 pv
domu installed on my centos 5.5 dom0 with xen 4.0. So I am debating on
sparing my hair and just spend a few dollars for a month subscription to
stacklet and download an already done image. Has anyone had any
experiences with this image on a similar setup to mine? Just want to
make sure it will work correctly before I spend any money.

And just before you ask, I do have the ubuntu 10.04 domu installed but
when I boot the only way I can boot it is with the kernel, initrd, and
extra options. Then I have no networking other than localhost. I have
spent almost 2 weeks straight on getting this working so I am about at
the breaking point.

Donny B.

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