RHEV: Virtual Machines fail to start or migrate with "File name too long."

Solution Verified - Updated -

Issue

  • Virtual Machines fail to Start with VM is down with error. Exit message: File name too long.
  • Snapshot creation fails with Error creating a new volume
  • Virtual Machines cannot migrate
  • Cannot walk or use the image chain with:
Could not open backing file: Could not refresh total sector count: Invalid argument

Environment

  • Red Hat Enterprise Virtualization 3.5, 3.6, 4.0

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