Hi Andrei
have you cecked locked entries here ?
/usr/share/ovirt-engine/setup/dbutils/unlock_entity.sh -t all -qc
it helped to me to unlock snapshots and disks and then restart VM. but
yes, there is a chance to damage VM,
Jirka
On 8/8/22 08:33, Andrei Verovski wrote:
HI,
OK, how to properly remove this lock? Right now VM is locked and is unmanageable at all
in any way.
I suppose its with some SQL commands in Postgres.
Thanks.
> On 5 Aug 2022, at 11:34, Benny Zlotnik<bzlotnik(a)redhat.com> wrote:
>
> So based on your logs the lock you are seeing is a memory lock,
> unlock_entity.sh can't really help with these.
> Also, the job table is used mainly for presentation so removing an
> entry from will not help.
>
> Do you have the logs from when this snapshot operation started, you
> can use the correlation id (28353fa0-5e36-4fe8-8609-e74cd1da6d36) to
> search? Also, do you have the vdsm logs (SPM at the time and the host
> running the VM), same correlation id can be used for this as well
>
> The table that's used to coordinate this is command_entities, so in
> theory removing the entries with this correlation id can help, but I'd
> like to see what led to this first
>
> On Fri, Aug 5, 2022 at 8:37 AM Andrei Verovski<andreil1(a)starlett.lv> wrote:
>> Hi, Benny,
>>
>> I have sent log on your mailbox, its too big to post here on mailing list.
>>
>> Looks like ghost task is still running, anything else need to be removed from
Postgres DB?
>>
>> BTW, frozen dead snapshot is in invalid state, is there any way to get rid of it?
I think it's actually exists, but due to invalid state its not possible to do anything
with it.
>>
>>
>> ——
>>
>> Log file still shows zombie task:
>>
>> 2022-08-04 20:57:30,145+03 INFO
[org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback]
(EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-24)
[28353fa0-5e36-4fe8-8609-e74cd1da6d36] Command 'CreateSnapshotForVm' (id:
'2f8b32d8-fd3c-46c9-90e9-4863d63c0530') waiting on child command id:
'ed816f9d-e25c-4b58-8c8f-fd0393abda2f' type:'CreateLiveSnapshotForVm' to
complete
>> 2022-08-04 20:57:40,176+03 INFO
[org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback]
(EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-85)
[28353fa0-5e36-4fe8-8609-e74cd1da6d36] Command 'CreateSnapshotForVm' (id:
'2f8b32d8-fd3c-46c9-90e9-4863d63c0530') waiting on child command id:
'ed816f9d-e25c-4b58-8c8f-fd0393abda2f' type:'CreateLiveSnapshotForVm' to
complete
>> 2022-08-04 20:57:50,252+03 INFO
[org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback]
(EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-66)
[28353fa0-5e36-4fe8-8609-e74cd1da6d36] Command 'CreateSnapshotForVm' (id:
'2f8b32d8-fd3c-46c9-90e9-4863d63c0530') waiting on child command id:
'ed816f9d-e25c-4b58-8c8f-fd0393abda2f' type:'CreateLiveSnapshotForVm' to
complete
>>
>>
>>> On 4 Aug 2022, at 19:06, Benny Zlotnik<bzlotnik(a)redhat.com> wrote:
>>>
>>> can you share the logs after restarting ovirt-engine?
>>>
>>> On Thu, Aug 4, 2022 at 4:58 PM Andrei Verovski<andreil1(a)starlett.lv>
wrote:
>>>> Hi,
>>>>
>>>>
>>>> Creating snapshot of one of the VM vailed, and zombie tasks was killed
with:
>>>>
>>>> su postgres
>>>> psql -d engine -U postgres
>>>> select * from job order by start_time desc;
>>>>
>>>> select DeleteJob('UUID_FROZEN_TASK_ID’);
>>>>
>>>>
>>>> However, VM remains in locked state (with lock sign left-below red “DOWN”
arrow in status column of web interface.
>>>>
>>>> I run:
>>>> /usr/share/ovirt-engine/setup/dbutils/unlock_entity.sh -t all
>>>>
>>>> then rebooted engine VM, still no luck. Can’t do anything with that VM.
>>>>
>>>> Please advise how to fix.
>>>> Thanks in advance.
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