VM stuck in MIGRATING state in UI forever even when migration completed

Problem

  • The VM got stuck in MIGRATING state in UI forever even when migration completed.

Environment

  • Platform9 Managed OpenStack - v5.4.9 and Higher

Cause

  • VM migration process was completed, but somehow during post migration operation source host did not receive confirmation from destination host about migration completion.

Resolution

  • Login to source and destination host and confirm where the VM is running:

# sudo virsh list

Additional Information

  • Below error is observed on source host's ostackhost logs which shows migration was completed,but source host was not aware:

2023-08-03 13:42:44.311 INFO nova.virt.libvirt.driver [-] [instance: 12fc8be0-xxxx-4b5d-8688-c41f6cb29248] Migration operation has completed
2023-08-03 13:42:44.711 ERROR nova.compute.manager [-] [instance: 12fc8be0-xxxx-4b5d-8688-c41f6cb29248] Volume attachment c1d2cc78-xxxx-44fc-8c2a-5d05f5cbbd32 not deleted on source host 504c93ff-bb85-4f30-a23b-fd6905b3baac during post_live_migration: The request you have made requires authentication. (HTTP 401): cinderclient.exceptions.Unauthorized: The
request you have made requires authentication. (HTTP 401)
...
2023-08-03 13:42:48.433 ERROR nova.compute.manager [-] [instance: 12fc8be0-xxxx-4b5d-8688-c41f6cb29248] Post live migration at destination 2a68278c-0e86-48a7-859c-81974af290ef fa
iled: nova.exception_Remote.NeutronAdminCredentialConfigurationInvalid_Remote: Networking client is experiencing an unauthorized exception.
Traceback (most recent call last):


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VM stuck in MIGRATING state in UI forever even when migration completedProblemEnvironmentCauseResolutionAdditional Information