Can I add or remove devices to a fence_scsi or fence_mpath device without restarting the cluster or all the resources?

Solution Verified - Updated -


  • When I add or remove storage devices in a cluster that uses fence_scsi or fence_mpath stonith devices, I have to restart the cluster or all the resources in order to update the SCSI persistent reservations.
  • Can I add or remove afence_scsior fence_mpath fence-agent without causing a restart of resources?


  • Red Hat Enterprise Linux 6, 7, or 8 (with the High Availability Add-on)
  • Pacemaker
  • A fence_scsi or fence_mpath stonith device

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