On 23 Aug 2022, at 12:27, Michal Skrivanek <mskrivan@redhat.com> wrote:

On 23. 8. 2022, at 10:53, Andrei Verovski <andreil1@starlett.lv> wrote:

Hi,

I had same problem with VM of our accounting / stock control system, which is a top priority which can’t be down no matter what.

Solution: Make a new snapshot on problematic VM, then make a new VM from that snapshot. This is only a workaround I found so far.

Make sure you run latest version, there were plenty of live merge bugs solved in the last months.

Also if you're using vProtect you can likely use the new incremental backup(CBT) feature, that avoids all the snapshotting in the first place

On 23 Aug 2022, at 10:50, Jirka Simon <jirka@vesim.cz> wrote:

Hello there.

we have troubles with one VM ad it's snapshot

here is  short log  from engine.log

2022-08-23 09:02:38,735+02 INFO  [org.ovirt.engine.core.bll.tasks.CommandAsyncTask] (EE-ManagedThreadFactory-engine-Thread-1265784) [4d79272b-ffac-4b2b-a987-8c19577cd8c4] CommandAsyncTask::
HandleEndActionResult [within thread]: Removing CommandMultiAsyncTasks object for entity '5842cafc-60d4-4131-8da1-8a909123f08c'
2022-08-23 09:02:41,435+02 ERROR [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand] (EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-68) [4d79272b
-ffac-4b2b-a987-8c19577cd8c4] Command id: 'ead3fbba-7439-4337-8aaf-1d6cf65bbb15 failed child command status for step 'REDUCE_IMAGE'
2022-08-23 09:02:41,435+02 INFO  [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommandCallback] (EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-68) [
4d79272b-ffac-4b2b-a987-8c19577cd8c4] Command 'RemoveSnapshotSingleDiskLive' id: 'ead3fbba-7439-4337-8aaf-1d6cf65bbb15' child commands '[5b33d970-6ea0-4b8b-bc31-607afd8af1ca, 185d3fec-8c76-
44d3-a0a1-fe8fff331354, 308baf9d-1fc5-43a1-a624-b5f08f7bec1b, f11f3550-4356-417e-af10-a3afb2051dec, 5842cafc-60d4-4131-8da1-8a909123f08c]' executions were completed, status 'FAILED'
2022-08-23 09:02:42,445+02 ERROR [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand] (EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-79) [4d79272b
-ffac-4b2b-a987-8c19577cd8c4] Merging of snapshot '6634db4e-23d8-4849-a008-864f15d28c3d' images 'd24a9199-741b-49cb-96d2-0d76fcd21f48'..'48af3301-0cbb-4a6e-97d1-7299e7de883f' failed. Images
have been marked illegal and can no longer be previewed or reverted to. Please retry Live Merge on the snapshot to complete the operation.
2022-08-23 09:02:42,451+02 ERROR [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand] (EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-79) [4d79272b
-ffac-4b2b-a987-8c19577cd8c4] Ending command 'org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand' with failure.
2022-08-23 09:02:42,457+02 INFO  [org.ovirt.engine.core.bll.ConcurrentChildCommandsExecutionCallback] (EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-79) [4d79272b-ffac
-4b2b-a987-8c19577cd8c4] Command 'RemoveSnapshot' id: '73340ac8-07d7-4de2-bfeb-8062fa1e8cfd' child commands '[ead3fbba-7439-4337-8aaf-1d6cf65bbb15]' executions were completed, status 'FAILE
D'
2022-08-23 09:02:43,470+02 ERROR [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotCommand] (EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-22) [4d79272b-ffac-4b2b-a98
7-8c19577cd8c4] Ending command 'org.ovirt.engine.core.bll.snapshots.RemoveSnapshotCommand' with failure.
2022-08-23 09:02:43,490+02 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-22) [4d79272b-ff
ac-4b2b-a987-8c19577cd8c4] EVENT_ID: USER_REMOVE_SNAPSHOT_FINISHED_FAILURE(357), Failed to delete snapshot 'vProtect 2022-08-05 22:33:44.088143' for VM 'web1.wiki.prod.hq.sldev.cz-2'.

Snapshot can't be deleted, and VM is not possible to clone.

thank you for any help.

Jirka

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