After detaching a volume it remains in detaching state

Solution Unverified - Updated -

Issue

  • When the application running on our OpenStack is attaching/detaching volumes, sometimes volumes stay in detaching state. After investigating, we found out that there are multiple block_device_mappings (BDMs) in the nova database for a detaching volume.

Environment

  • Red Hat Enterprise Linux OpenStack Platform 6 (RHEL OSP)

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