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[Bug 2060696] Re: ConflictNovaUsingAttachment: Detach volume from instance using the Compute API (HTTP 409)

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Mehul <2060696@xxxxxxxxxxxxxxxxxx>
Date: Fri, 12 Apr 2024 10:32:27 -0000
Reply-to: Bug 2060696 <2060696@xxxxxxxxxxxxxxxxxx>
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** Project changed: charm-nova-compute => nova

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https://bugs.launchpad.net/bugs/2060696

Title:
   ConflictNovaUsingAttachment: Detach volume from instance  using the
  Compute API (HTTP 409)

Status in OpenStack Compute (nova):
  Incomplete

Bug description:
  I have Openstack verions: 2023.2 (Bobcat)

  Compute Node: Log file /var/log/nova/nova-compute.log

  2024-04-09 14:15:34.197 2366 ERROR nova.volume.cinder [None req-4a5c4103-31b9-4564-b41b-0040960836f7 f9ec6818013149cda9c8ba99488a17d7 4f4b6f31aca14ac7bdbc620c042af7a0 - - default default] Delete attachment failed for attachment 33ea6023-bf2f-4a19-a22c-5a38926cb702. Error: ConflictNovaUsingAttachment: Detach volume from instance 39c80abc-1d33-4381-ada9-f6deca1c8939 using the Compute API (HTTP 409) (Request-ID: req-4c65cc97-25f0-450c-9370-4406787a2f8b) Code: 409: cinderclient.exceptions.ClientException: ConflictNovaUsingAttachment: Detach volume from instance 39c80abc-1d33-4381-ada9-f6deca1c8939 using the Compute API (HTTP 409) (Request-ID: req-4c65cc97-25f0-450c-9370-4406787a2f8b)
  2024-04-09 14:15:34.224 2366 ERROR oslo_messaging.rpc.server [None req-4a5c4103-31b9-4564-b41b-0040960836f7 f9ec6818013149cda9c8ba99488a17d7 4f4b6f31aca14ac7bdbc620c042af7a0 - - default default] Exception during message handling: cinderclient.exceptions.ClientException: ConflictNovaUsingAttachment: Detach volume from instance 39c80abc-1d33-4381-ada9-f6deca1c8939 using the Compute API (HTTP 409) (Request-ID: req-4c65cc97-25f0-450c-9370-4406787a2f8b)
  2024-04-09 14:15:34.224 2366 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
  2024-04-09 14:15:34.224 2366 ERROR oslo_messaging.rpc.server   File "/usr/lib/python3/dist-packages/oslo_messaging/rpc/server.py", line 165, in _process_incoming

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