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[Elod Illes <1489304@xxxxxxxxxxxxxxxxxx>]

** Changed in: nova/train
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1489304

Title:
  Lack of volume status checks when detaching volume in rebuild.

Status in OpenStack Compute (nova):
  Fix Released
Status in OpenStack Compute (nova) stein series:
  Fix Released
Status in OpenStack Compute (nova) train series:
  Fix Released
Status in OpenStack Compute (nova) ussuri series:
  Fix Released

Bug description:
  Currently, when rebuilding an instance with volume attached, the Nova
  compute manager will directly call _detach_volume() which will skip
  the checks of volume status (volume_api.check_detach) and setting the
  volume to 'detaching' (volume_api.begin_detaching) at Cinder side.
  This is different with the normal volume detach process.

  Besides, when rebuilding, we should only allow detaching the volume
  with in-use status, volume in status such as 'retyping' should not
  allowed.

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