Re: [ovirt-users] Cleanup illegal snapshot

wrote:

Hi Ala, > Von: Adam Litke [alitke(a)redhat.com] > Gesendet: Freitag, 30. September 2016 15:54 > An: Markus Stockhausen > Cc: Ovirt Users; Ala Hino; Nir Soffer > Betreff: Re: [ovirt-users] Cleanup illegal snapshot > > On 30/09/16 05:47 +0000, Markus Stockhausen wrote: > >Hi, > > > >if a OVirt snapshot is illegal we might have 2 situations. > > > >1) qemu is still using it - lsof shows qemu access to the base raw and the > >delta qcow2 file. -> E.g. a previous live merge failed. In the past we > >successfully solved that situation by setting the status of the delta image > >in the database to OK. > > > >2) qemu is no longer using it. lsof shows qemu access only to the the base > >raw file -> E.g. a previous live merge succeded in qemu but Ovirt did not > >recognize. > > > >How to clean up the 2nd situation? > > It seems that you will have to first clean up the engine database to > remove references to the snapshot that no longer exists. Then you > will need to remove the unused qcow2 volume. > > Unfortunately I cannot provide safe instructions for modifying the > database but maybe Ala Hino (added to CC:) will be able to help with > that. Do you have some tip for me? > > One you have fixed the DB you should be able to delete the volume > using a vdsm verb on the SPM host: > > # vdsClient -s 0 deleteVolume <sdUUID> <spUUID> <imgUUID> <volUUID>