7.2. Monitoring a referenced IP address

Reference IP address monitor is used to improvement the error detection accuracy. If the standby cluster's NIC failed, which causes itself to unable to receive ping message replies against a 3rd location, other than the active cluster. Specifying an external reference address will make the STANDBY NODE disable the failover ability. Reference IP address is also monitored by the active cluster, in which a failure of contact to reference IP address will attempt to call the standby cluster to failover the system.