VM fails or snapshot creation with error: "Could not acquire resource. Probably resource factory threw an exception.: ()".

Solution Verified - Updated -

Issue

  • Failed to start VM.
  • Failed to create new snapshot for VM.
  • Failed to move disk to another Storage Domain.
  • The event and vdsm logs contain entries similar to the following:
ResourceAcqusitionFailed: Could not acquire resource. Probably resource factory threw an exception.: ()

Environment

  • Red Hat Enterprise Virtualization 3.x
  • Red Hat Virtualization 4.x

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