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.



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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