In such a case, the disks shouldn't remain locked - sounds like a bug. This one requires a deeper look. If you're able to reproduce it again, please open a bug in Bugzilla ( https://bugzilla.redhat.com) with engine and vdsm logs, so we'll be able to investigate it. *Regards,* *Shani Leviim* On Wed, Feb 3, 2021 at 5:39 PM Giulio Casella <giulio@di.unimi.it> wrote:
Hi, I tried unlock_entity.sh, and it solved the issue. So far so good.
But it's still unclear why disks were locked.
Let me make an hypothesis: in ovirt 4.3 a failure in snapshot removal would lead to a snapshot in illegal status. No problem, you can remove again and the situation is fixed. In ovirt 4.4 a failure in snapshot removal leave the whole disk in locked state (maybe a bug?), preventing any further action.
Does it make sense?
Hi Shani, no tasks listed in UI, and now "taskcleaner.sh -o" reports no task (just before I gave "taskcleaner.sh -r"). But disks are still locked, and "unlock_entity.sh -q -t all -c" (accordingly) reports only two disk's uuid (with their vm's uuid).
Time to give a chance to unlock_entity.sh?
Regards, gc
On 03/02/2021 11:52, Shani Leviim wrote:
Hi Giulio, Before running unlock_entity.sh, let's try to find if there's any task in progress. Is there any hint on the events in the UI? Or try to run [1]: ./taskcleaner.sh -o
Also, you can verify what entities are locked [2]: ./unlock_entity.sh -q -t all -c
[1]
https://github.com/oVirt/ovirt-engine/blob/master/packaging/setup/dbutils/ta...
< https://github.com/oVirt/ovirt-engine/blob/master/packaging/setup/dbutils/ta...
[2]
https://github.com/oVirt/ovirt-engine/blob/master/packaging/setup/dbutils/un...
< https://github.com/oVirt/ovirt-engine/blob/master/packaging/setup/dbutils/un...
*Regards, * *Shani Leviim *
On Wed, Feb 3, 2021 at 10:43 AM Giulio Casella <giulio@di.unimi.it <mailto:giulio@di.unimi.it>> wrote:
Since yesterday I found a couple VMs with locked disk. I don't know
On 03/02/2021 12:25, Giulio Casella wrote: the
reason, I suspect some interaction made by our backup system
(vprotect,
snapshot based), despite it's working for more than a year.
I'd give a chance to unlock_entity.sh script, but it reports:
CAUTION, this operation may lead to data corruption and should be
used
with care. Please contact support prior to running this command
Do you think I should trust? Is it safe? VMs are in production...
My manager is 4.4.4.7-1.el8 (CentOS stream 8), hosts are oVirt Node 4.4.4
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