4.4.12.4. Modifying and deleting fence devices
Modify or add options to a currently configured fencing device with the following command.
# pcs stonith update stonith_id [stonith_device_options]
Updating a SCSI fencing device with the pcs stonith update command causes a restart of all resources running on the same node where the fencing resource was running. You can use either version of the following command to update SCSI devices without causing a restart of other cluster resources. SCSI fencing devices can be configured as multipath devices.
# pcs stonith update-scsi-devices stonith_id set device-path1 device-path2
# pcs stonith update-scsi-devices stonith_id add device-path1 remove device-path2
Use the following command to remove a fencing device from the current configuration.
# pcs stonith delete stonith_id