[Users] VM Disk corruption

Usman Aslam usman at linkshift.com
Tue Nov 5 19:01:04 UTC 2013


Apparently, somehow I had corrupted the template file in question by
copying over it when restoring a vdisk file because the template file is
hard linked in the vdisk dir.


On Tue, Nov 5, 2013 at 4:30 AM, Itamar Heim <iheim at redhat.com> wrote:

> On 10/08/2013 06:50 AM, Usman Aslam wrote:
>> I have a few VM's that have their root LVM file system corrupted because
>> of improper shutdown. I experienced an issue described here which cause
>> a node to restart
>> http://lists.ovirt.org/pipermail/users/2013-July/015247.html
>> But now I'm experiencing the same problem with other VM's. A DB VM was
>> in single user mode when it was powered off. I created snapshot to clone
>> it. Powered the CentOS 6 VM back on and it cannot execute the mount
>> command on boot and dropped me to a root maintenance prompt.
>> Running fsck comes back with way too many errors, many of them about
>> files that shouldnt have even been open. Countless Innode issues and
>> clone multiply-claimed blocks. Running fsck -y seems to fix the file
>> system and it comes back as clean but upon restart, the VM load the
>> files system as read only and trying to remount it as rw, the mount
>> command throws a segmentation fault.
>> I dont know if its the new version of ovirt engine. I'm afraid to
>> shutdown any VM using the ovirt UI as they dont always come backup. I
>> have tried repairing the file system with the live CD and such to no
>> avail. Given the fact the alot of the corrupt files are plain static
>> html, or archived tar files, I assume it has something to do with ovirt.
>> The only corrupting for data should be and live application data (open
>> files).
>> Please advise on how to proceed. I can provide whatever logs you may
>> requires.
>> Thanks,
>> --
>> Usman Aslam
>> 401.
>> usman at linkshift.com <mailto:usman at linkshift.com>
>> _______________________________________________
>> Users mailing list
>> Users at ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
> was this resolved?

Usman Aslam
usman at linkshift.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ovirt.org/pipermail/users/attachments/20131105/1fcf0667/attachment-0001.html>

More information about the Users mailing list