How to update an existing stonith device configuration online in pacemaker cluster ?

Solution Verified - Updated 2024-12-10T03:32:05+00:00 -

Issue

How to update modify configuration of a stonith device ?
Fence user credentials got expired and stonith stopped working
Messages like Unable to connect/login to fencing device is observed in /var/log/messages after the credentials of fence device was changed
EXCEPTION : For stonith agents fence_scsi or fence_mpath please refer the KCS solution below:
- Can I add or remove devices to a fence_scsi or fence_mpath device without restarting the cluster or all the resources?

Red Hat Enterprise Linux (RHEL) 6, 7, 8 or 9 with the High Availability Or Resilient Storage Add On
Pacemaker Cluster

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