On Wed, Dec 2, 2020 at 2:03 PM Nir Soffer <nsoffer@redhat.com> wrote:
On Wed, Dec 2, 2020 at 1:50 PM Steven Rosenberg <srosenbe@redhat.com> wrote:
>
> Dear Personnel,
>
> It seems that the OST is failing due to a storage issue [1]. The failure is on the test_verify_and_remove_cloned_vm test which is not changed on the patch [2] .
>
> The engine log prints the error:
>
> 2020-12-01 13:07:48,297+01 ERROR [org.ovirt.engine.core.bll.storage.domain.AttachStorageDomainToPoolCommand] (default task-1) []
>
> An error occurred while fetching unregistered disks from Storage Domain id '26d55c27-bf61-4f01-b5a3-d9a6a01c3e8a'
> 2020-12-01 13:07:48,298+01 DEBUG [org.ovirt.engine.core.bll.storage.domain.AttachStorageDomainToPoolCommand] (default task-1) [] Skipping format update for domain '26d55c27-bf61-4f01-b5a3-d9a6a01c3e8a' (type 'ImportExport')
>
> and returns the following error:
>
> 2020-12-01 13:17:46,784+01 ERROR [org.ovirt.engine.api.restapi.resource.AbstractBackendResource] (default task-2) [] Operation Failed:
>
> [Cannot remove VM. The VM is performing an operation on a Snapshot. Please wait for the operation to finish, and try again.]

Looks like bad synchronization with the previous test, not waiting
until the other tests changing
the snapshot has completed.
+Shmuel Melamud +Arik Hadas  
That seems correct. We had https://bugzilla.redhat.com/1177156, as part of clone VM there is a snapshot created and later removed. It was merged pretty long ago (Oct 19).
Maybe in the current run you had no luck in the timing but that is just an indicator this test might be flaky and should have better handling.

> Maybe there is a recent change causing a regression here?
>
>
>
> [1] https://jenkins.ovirt.org/job/ovirt-system-tests_standard-check-patch/14137/
> [2] https://github.com/oVirt/ovirt-system-tests/blob/master/basic-suite-master/test-scenarios/test_004_basic_sanity.py#L526
>
> With Best Regards.
>
> Steven.
>
>
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