RHV: With a VM shutdown (offline / Cold merge) snapshot delete fails.

Solution Verified - Updated -

Issue

  • Data Center and Cluster Compatibility levels were upgraded from 4.0 to 4.1.

  • VM snapshot deletion fails if the VM is not running.

  • The following error is report reported:

Failed to delete snapshot "Test" for VM "EXAMPLE-VM".
  • The operation fails with:
-227, 'Sanlock resource not acquired', 'Lease resource name is incorrect'

Environment

  • Red Hat Virtualization 4
    • Data Center in 4.1 level or higher
    • Snapshot created in Data Center 4.0 level or lower, including 3.x

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