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 or Resilient Storage Add-on)
  • Pacemaker
  • A fence_scsi or fence_mpath stonith device

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content