[Users] Can't delete snapshot

[Daniel Erez]

----- Original Message -----
> From: "Eduardo Ramos" <eduardo at freedominterface.org>
> To: users at ovirt.org
> Sent: Thursday, October 10, 2013 10:28:00 PM
> Subject: [Users] Can't delete snapshot
> 
> Hi friends!
> 
> I'm trying delete a snapshot but webadmin returns me:
> 
> "Failed to complete Snapshot bla deletion on VM piromba.dem.inpe.br."
> 
> In vdsm.log of SPM, I got:
> 
> Oct 10 16:24:10 newton kernel: end_request: I/O error, dev dm-24, sector
> 2147483632
> Oct 10 16:24:10 newton kernel: end_request: I/O error, dev dm-24, sector 0
> Oct 10 16:24:11 newton kernel: end_request: I/O error, dev dm-24, sector
> 2147483520
> Oct 10 16:24:11 newton kernel: end_request: I/O error, dev dm-24, sector
> 2147483632
> Oct 10 16:24:11 newton kernel: end_request: I/O error, dev dm-24, sector 0
> Oct 10 16:24:11 newton kernel: end_request: I/O error, dev dm-24, sector
> 2147483520
> Oct 10 16:24:11 newton kernel: end_request: I/O error, dev dm-24, sector
> 2147483632
> Oct 10 16:24:11 newton kernel: end_request: I/O error, dev dm-24, sector 0
> Oct 10 16:24:12 newton vdsm TaskManager.Task ERROR
> Task=`767206b3-87e9-4686-b06c-6fba24bdb677`::Unexpected
> error#012Traceback (most recent call last):#012  File
> "/usr/share/vdsm/storage/task.py", line 861, in _run#012    return
> fn(*args, **kargs)#012  File "/usr/share/vdsm/storage/task.py", line
> 320, in run#012    return self.cmd(*self.argslist, **self.argsdict)#012
> File "/usr/share/vdsm/storage/securable.py", line 63, in wrapper#012
> return f(self, *args, **kwargs)#012  File
> "/usr/share/vdsm/storage/sp.py", line 1786, in mergeSnapshots#012
> image.Image(repoPath).merge(sdUUID, vmUUID, imgUUID, ancestor,
> successor, postZero)#012  File "/usr/share/vdsm/storage/image.py", line
> 1084, in merge#012    allVols = sdDom.getAllVolumes()#012  File
> "/usr/share/vdsm/storage/blockSD.py", line 869, in getAllVolumes#012
> return getAllVolumes(self.sdUUID)#012  File
> "/usr/share/vdsm/storage/blockSD.py", line 168, in getAllVolumes#012
> and vImg not in res[vPar]['imgs']:#012KeyError:
> '63650a24-7e83-4c0a-851d-0ce9869a294d'
> 
> [root at newton ~]# ls -l /dev/mapper/
> total 0
> lrwxrwxrwx. 1 root root      8 Oct  8 17:34 1IET_00010001 -> ../dm-24
> 
> Anyone knows what is this device?

Try running 'vgs -o +pv_name | grep 1IET_00010001'
to determine which VG is using the device.
Are you using oVirt all-in-one environment?

> 
> Thanks.
> 
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