RHEV VM running on two hosts concurrently

Solution Unverified - Updated -

Issue

  • RHEV 3.3.4 guests may be duplicated following migration with INFO level engine log message "Highly Available VM went down. Attempting to restart."

  • During hypervisor maintenance, it was found that at least two VMs were running on multiple hypervisors simultaneously.

  • A Highly Available VM ended up running on 2 hosts after the engine thought that an apparently successful migration had failed.

Environment

  • Red hat Enterprise Virtualisation (RHEV) 3.3.4

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