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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] The Problem of Creating a domain
Thanks for all the helps !!
When I create the domain 1, I received the message as bellow in
xen_read_domain console:
[10] modprobe: Can't open dependencies file
/lib/modules/2.4.24-xeno/modules.dep (No such file or directory)
[10] Remounting root filesystem in read-write mode: [ OK ]
[10] Mounting local filesystems: [ OK ]
[10] Turning on process accounting [ OK ]
[10] INIT: Entering runlevel: 4
[10] Entering non-interactive startup
[10] Setting network parameters: [ OK ]
[10] Bringing up loopback interface: [ OK ]
[10] Starting system logger: [ OK ]
[10] Starting kernel logger: [ OK ]
[10] Initializing random number generator: [ OK ]
[10] Starting sshd:[ OK ]
[10] Starting crond: [ OK ]
[10] Starting xfs: [ OK ]
[10] Starting anacron: [ OK ]
[10]
[10] eth0 Link encap:Ethernet HWaddr AA:00:00:63:8B:C7
[10] inet addr:163.25.117.195 Bcast:163.25.117.255
Mask:255.255.255.0
[10] UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
[10] RX packets:0 errors:0 dropped:0 overruns:0 frame:0
[10] TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
[10] collisions:0 txqueuelen:1000
[10] RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
[10]
[10] cat: /usr/XenDemoCD/buildinfo.txt: No such file or directory
[10] INIT: no more processes left in this runlevel
Is that means that the boot sequence of domain1 done ? (I guess not)
But I could not use ssh root@xxxxxxxxxxx to access domain 1 ?
And I use the command #xc_dom_control.py list, it shows :
{'cpu_time': 47000774876L, 'stopped': 0, 'name': 'Domain-0', 'mem_kb':
131072, 'dom': 0, 'running': 1, 'cpu': 0}
{'cpu_time': 5224622362L, 'stopped': 0, 'name': 'This is VM 1', 'mem_kb':
65536, 'dom': 10, 'running': 0, 'cpu': 0}
What's the problem in the domain1 booting?
cheers,
Inaba
----- Original Message -----
From: "Steven Hand" <Steven.Hand@xxxxxxxxxxxx>
To: "Inaba" <m9244001@xxxxxxxxxxxxxxxxx>
Cc: "Ian Pratt" <Ian.Pratt@xxxxxxxxxxxx>; "xen-devel"
<xen-devel@xxxxxxxxxxxxxxxxxxxxx>
Sent: Monday, February 16, 2004 5:00 PM
Subject: Re: [Xen-devel] The Problem of Creating a domain
>
> > I have editted the /etc/fstab like this
> >
> > /dev/hda1 / ext3 defaults
1 1
> > none /dev/pts devpts
gid=5,mode=620 0
> > 0
> > /dev/hda5 /domain ext3 defaults
1 2
> > none /proc proc defaults
0
> > 0
> > none /dev/shm tmpfs defaults
0
> > 0
> > /dev/hda2 /work ext3 defaults
1 2
> > /dev/hda3 swap swap defaults
0 0
> >
> > but when I created a new domain, some errors still occurred in
filesystem
> > checking as below
> >
> > [1] Checking filesystems
> > [1] fsck.ext3Possibly non-existent or swap device?
> > [1] Possibly non-existent or swap device?
> > [1] Checking all file systems.
> > [1] [/sbin/fsck.ext3 (1) -- /domain] fsck.ext3 -a /dev/hda5
> > [1] [/sbin/fsck.ext3 (1) -- /work] fsck.ext3 -a /dev/hda2
> > [1] : No such device or address while trying to open /dev/hda5
> > [1] fsck.ext3: No such device or address while trying to open /dev/hda2
> > [1] [FAILED]
> > [1]
> > [1] *** An error occurred during the file system check.
> > [1] *** Dropping you to a shell; the system will reboot
> > [1] *** when you leave the shell.
> > [1] Give root password for maintenance
> >
> > I think may be there are some errors in /etc/fstab but I could not find
it
>
>
> The above error message means "there is no device called /dev/hda5".
> This means that you have not exported it as a vbd to this domain.
>
> The vbd exports and the /etc/fstab for every domain (except 0) need
> to be "in sync".
>
>
>
> > another dumb problem:
> >
> > my vbd_list is set like this
> >
> > vbd_list = [ ('phy:hda5','hda5','w' ), ('phy:hda3','hda3','w') ]
> >
> > but it shows the error message as below
> >
> > Warning: one or more hard disk extents are
> > writeable by two or more domains simultaneously.
> > ERROR: This kind of disk sharing is not allowed
> > at the current safety level (0).
>
> My guess is that you have either hda5 or hda3 (or both) mounted
> read-write in domain 0. If the tool let you proceed, you would
> end up moulinexing the partitions (you cannot allow two domains
> to mount the same partition read-write as they will make independent
> and inconsistent updates).
>
> To fix this, unmout (or remount read-only) /dev/hda5 and/or /dev/hda3
>
>
> > and then I changed the vbd_list as
> >
> > vbd_list = [ ('phy:hda1','hda1','w' ), ('phy:hda3','hda3','w') ]
> >
> > It could continue the domain booting sequence
>
> Well this would cause the problem you observed above: you have now
> not exported hda5 to the new domain, and so when it tries to access
> it it discovers that it is not there.
>
>
> > Why I can't use /dev/hda5 as the vbd_list?
>
> This is not a sane question -- if you mean why can you not have
> hda5 in the vbd_list, the answer is almost certainly as explained
> above.
>
>
> > Is there any clear document that descirbe how to install Xen from
> > xeno-1.2.tar.gz step by step?
>
> There are a number of howtos as mentioned in Ian's last message:
>
>
> Jans' excellent Xen FAQ:
> http://xen.epiuse.com/xen-faq.txt
>
> Bin Ren's HOWTO:
> http://www.cl.cam.ac.uk/~br260/doc/xeno-1.1-howto.txt
>
> Yan-Ching's HOWTO:
> http://www.csc.liv.ac.uk/~u2ycc/xen/xen-install-domain-fs-howto.txt
>
> Xen for Grid by Greg Newby:
> http://www.arsc.edu/~newby/grid/xen-for-grid.txt
>
>
> However I do not think any of these go into sufficient detail for you.
>
>
> cheers,
>
> S.
>
>
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