Why attaching a storage domain is failing with error "Sanlock lockspace add failure Interrupted system call"

Solution Verified - Updated -

Issue

  • Attaching a storage domain in RHV which was attached to another environment is failing with error Sanlock lockspace add failure Interrupted system call in the engine log.
  • The sanlock log shows busy error as s4 delta_acquire host_id 1 busy1

Environment

  • Red Hat Enterprise Virtualization 3.6.

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