[ovirt-users] Delete snapshot with status illegal - live merge not possible

[Jan Siml]

Hello,

if no one has an idea how to correct the Disk/Snapshot paths in Engine 
database, I see only one possible way to solve the issue:

Stop the VM and copy image/meta files target storage to source storage 
(the one where Engine thinks the files are located). Start the VM.

Any concerns regarding this procedure? But I still hope that someone 
from oVirt team can give an advice how to correct the database entries. 
If necessary I would open a bug in Bugzilla.

Kind regards

Jan Siml

>> after a failed live storage migration (cause unknown) we have a
>> snapshot which is undeletable due to its status 'illegal' (as seen
>> in storage/snapshot tab). I have already found some bugs [1],[2],[3]
>> regarding this issue, but no way how to solve the issue within oVirt
>  > 3.5.3.
>>
>> I have attached the relevant engine.log snippet. Is there any way to
>> do a live merge (and therefore delete the snapshot)?
>>
>> [1] https://bugzilla.redhat.com/show_bug.cgi?id=1213157
>> [2] https://bugzilla.redhat.com/show_bug.cgi?id=1247377 links to [3]
>> [3] https://bugzilla.redhat.com/show_bug.cgi?id=1247379 (no access)
>
> some additional informations. I have checked the images on both storages
> and verified the disk paths with virsh's dumpxml.
>
> a) The images and snapshots are on both storages.
> b) The images on source storage aren't used. (modification time)
> c) The images on target storage are used. (modification time)
> d) virsh -r dumpxml tells me disk images are located on _target_ storage.
> e) Admin interface tells me, that images and snapshot are located on
> _source_ storage, which isn't true, see b), c) and d).
>
> What can we do, to solve this issue? Is this to be corrected in database
> only?