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[Joe Gordon <1215012@xxxxxxxxxxxxxxxxxx>]

patch was abandoned, marking as invalid

** Changed in: nova
       Status: In Progress => Invalid

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https://bugs.launchpad.net/bugs/1215012

Title:
  _reschedule_or_error will detach other instances' volumes on Cinder
  side

Status in OpenStack Compute (Nova):
  Invalid

Bug description:
  _reschedule_or_error will detach other instances' volumes on Cinder
  side

  The bug is related to the bug#1195947:
  https://bugs.launchpad.net/nova/+bug/1195947.

  When a user creates (in error) an instance using volumes which is already in use by another instance,
  the error is correctly detected, but the _reschedule_or_error function will incorrectly detach all BDM-volumes given in request, regardless off whether each volume has been attached to instance or not.

  It'll rewrite the record on the Cinder side, cause the conflict.

  So we need a protection here, volume-rollback would only permit to
  detach the volume which is truly belonging to the instance.

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