RHV: Internal Engine Error when adding or removing disks from Virtual Machine

Solution Verified - Updated -


  • Hot-unplug of Disks/Snapshot from Virtual Machine fails:
    <detail>[Internal Engine Error]</detail>
    <reason>Operation Failed</reason>
  • NullPointerException at BaseDisk.java:88 while unplugging disk from VM.


  • Red Hat Virtualization 4.3, 4.4

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