Installation guide

Have a two node configuration with the fence devices on a different network path than the path

used for cluster communication

Have a two node configuration where fencing is at the fabric level - especially for SCSI

reservations

However, if you have a correct network and fencing configuration in your cluster, a tie-breaker only

adds complexity, except in pathological cases.

Red Hat Ent erprise Linux 6 High Availabilit y Ad d- O n O verview