VMs got paused after a failed live snapshot operation

Solution In Progress - Updated -

Issue

  • A snapshot operation of one VM got failed and after some time multiple VMs went into paused status with the error below.
2019-07-28 21:49:01,916+1000 INFO  (libvirt/events) [virt.vm] (vmId=1111111111-1111-1111-1111-111111111'') CPU stopped: onIOError (vm:6047)
2019-07-28 21:49:01,944+1000 WARN  (libvirt/events) [virt.vm] (vmId='1111111111-1111-1111-1111-111111111') device sda reported I/O error (vm:3990)
  • The backend leaf volume doesn't exist in the storage anymore for the VM where the snapshot operation got failed.

Environment

  • Red Hat Virtualization 4.2.
  • Red Hat Virtualization 4.3.

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