[ovirt-users] moving disk failed.. remained locked

[Fred Rolland]

Can you please send the whole logs ? (Engine, vdsm and sanlock)

On Mon, Feb 20, 2017 at 4:49 PM, Gianluca Cecchi <gianluca.cecchi at gmail.com>
wrote:

> Hello,
> I'm trying to move a disk from one storage domain A to another B in oVirt
> 4.1
> The corresponding VM is powered on in the mean time
>
> When executing the action, there was already in place a disk move from
> storage domain C to A (this move was for a disk of a powered off VM and
> then completed ok)
> I got this in events of webadmin gui for the failed move A -> B:
>
> Feb 20, 2017 2:42:00 PM Failed to complete snapshot 'Auto-generated for
> Live Storage Migration' creation for VM 'dbatest6'.
> Feb 20, 2017 2:40:51 PM VDSM ovmsrv06 command HSMGetAllTasksStatusesVDS
> failed: Error creating a new volume
> Feb 20, 2017 2:40:51 PM Snapshot 'Auto-generated for Live Storage
> Migration' creation for VM 'dbatest6' was initiated by admin at internal-authz.
>
>
> And in relevant vdsm.log of referred host ovmsrv06
>
> 2017-02-20 14:41:44,899 ERROR (tasks/8) [storage.Volume] Unexpected error
> (volume:1087)
> Traceback (most recent call last):
>   File "/usr/share/vdsm/storage/volume.py", line 1081, in create
>     cls.newVolumeLease(metaId, sdUUID, volUUID)
>   File "/usr/share/vdsm/storage/volume.py", line 1361, in newVolumeLease
>     return cls.manifestClass.newVolumeLease(metaId, sdUUID, volUUID)
>   File "/usr/share/vdsm/storage/blockVolume.py", line 310, in
> newVolumeLease
>     sanlock.init_resource(sdUUID, volUUID, [(leasePath, leaseOffset)])
> SanlockException: (-202, 'Sanlock resource init failure', 'Sanlock
> exception')
> 2017-02-20 14:41:44,900 ERROR (tasks/8) [storage.TaskManager.Task]
> (Task='d694b892-b078-4d86-a035-427ee4fb3b13') Unexpected error (task:870)
> Traceback (most recent call last):
>   File "/usr/share/vdsm/storage/task.py", line 877, in _run
>     return fn(*args, **kargs)
>   File "/usr/share/vdsm/storage/task.py", line 333, in run
>     return self.cmd(*self.argslist, **self.argsdict)
>   File "/usr/lib/python2.7/site-packages/vdsm/storage/securable.py", line
> 79, in wrapper
>     return method(self, *args, **kwargs)
>   File "/usr/share/vdsm/storage/sp.py", line 1929, in createVolume
>     initialSize=initialSize)
>   File "/usr/share/vdsm/storage/sd.py", line 762, in createVolume
>     initialSize=initialSize)
>   File "/usr/share/vdsm/storage/volume.py", line 1089, in create
>     (volUUID, e))
> VolumeCreationError: Error creating a new volume: (u"Volume creation
> d0d938bd-1479-49cb-93fb-85b6a32d6cb4 failed: (-202, 'Sanlock resource
> init failure', 'Sanlock exception')",)
> 2017-02-20 14:41:44,941 INFO  (tasks/8) [storage.Volume] Metadata rollback
> for sdUUID=900b1853-e192-4661-a0f9-7c7c396f6f49 offs=8 (blockVolume:448)
>
>
> Was the error generated due to the other migration still in progress?
> Is there a limit of concurrent migrations from/to a particular storage
> domain?
>
> Now I would like to retry, but I see that the disk is in state locked with
> hourglass.
> The autogenerated snapshot of the failed action was apparently removed
> with success as I don't see it.
>
> How can I proceed to move the disk?
>
> Thanks in advance,
> Gianluca
>
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>
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