Glad to hear it worked out. When oVirt started the vm it mounted the corrupt disk image that seemed fine, but it couldn't find the OS because of the corrupted fs, and the error caused it to pause the guest. ----- Original Message -----
From: "David Wilson" <dave@dcdata.co.za> To: users@ovirt.org Sent: Monday, December 3, 2012 10:55:37 AM Subject: Re: [Users] VM has paused due to unknown storage error
H i everyone,
Some feedback on this error , and a question I hope that someone could possibly assist with. I managed to get the guest running again by using dd and q emu-img to export the filesystem image and base image , convert to raw format and run a fsck on the loop ed part ition. When mounted as a loop filesystem, fsck easily repaired it .
Any ideas why oVirt kept pausing the guest and did no t allow fsck to repair the filesystem?
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Kind regards,
David Wilson CNS,CLS, LINUX+, CLA, DCTS, LPIC3 LinuxTech CC t/a DcData CK number: 2001/058368/23
Website: http://www.dcdata.co.za Support: +27(0)860-1-LINUX Mobile: +27(0)824147413 Tel: +27(0)333446100 Fax: +27(0)866878971 On 12/02/2012 11:17 AM, David Wilson wrote:
H i everyone,
Sunday fun : )
One of our cr itical Linux VMs ran out of disk space. I cleared up space by removing old application logs within the guest, rebooted the g uest and was presented with the following information message during bootup when the filesystem ext3/ 4 scan runs: Clearing orhpaned inode ..... Shortly after this message the the guest is p aused by oVirt and the "VM has paused due to unknown storage error" message is displayed in the oVirt web GUI.
On the physical node itself, I fo und t he following error in /var/log/vdsm/vd sm.log: libvirtEventLoop:: INFO::2012-12-02 09:05:50,296::libvirtvm::1965::vm.Vm::(_onAbnormalStop) vmId=`23b9212c-1e25-4003-aa18-b1e819bf6bb1`::abnormal vm stop device ide0-0-1 error eother
Any ideas on how to get more inf ormation on what exactly the error is?
I've tried booting the guest into r es cue mode , run a manual fsck on the logical v olume but each time the guest is automaticall paused due to the "unknown storage error".
We are using a FC SAN for s torage , s o what I've decided to try is expo rt the disk using "dd" on the physical node and t hen try repairing it by mounting it as a loop filesystem on a nother physical ser ver , and then use "dd" to import it back in again.
Is this the right approach to take to get the system back online?
--
Get important Linux and industry-related news at: facebook.com/dcdata
Kind regards,
David Wilson CNS,CLS, LINUX+, CLA, DCTS, LPIC3 LinuxTech CC t/a DcData CK number: 2001/058368/23
Website: http://www.dcdata.co.za Support: +27(0)860-1-LINUX Mobile: +27(0)824147413 Tel: +27(0)333446100 Fax: +27(0)866878971
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