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[OpenStack Infra <1335889@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/413141
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=d0abb60fe7798c6fea4bfb9247db25cf15591340
Submitter: Jenkins
Branch:    master

commit d0abb60fe7798c6fea4bfb9247db25cf15591340
Author: Michael Dovgal <mdovgal@xxxxxxxxxxxx>
Date:   Tue Dec 20 15:16:03 2016 +0200

    Attach/Delete volume for tgt driver race condition fix
    
    We have race condition when remove target operation still
    isn't completed and we try to run create target operation.
    This patch fixed this race condition by retrying create
    iscsi target operation run.
    
    Change-Id: I151990cc5148eb3f56e27e01fce71d87da2d9759
    Closes-Bug: #1335889


** Changed in: cinder
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1335889

Title:
  Race condition in quickly attaching / deleting volumes

Status in Cinder:
  Fix Released
Status in OpenStack Compute (nova):
  Expired
Status in tempest:
  Invalid

Bug description:
  It seems that there is a race condition in the stress
  volume_attach_delete test. It creates VMs and volumes, attaches
  volumes and deletes everything.

  The test is waiting for volumes to be in 'in-use' state before
  deleting VMs. It seems that Nova/Cinder don't have time to register
  volumes as attached in their databases before VMs get deleted. Volumes
  are then left attached to deleted VMs and unable to be deleted.

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