The Heartbeat packages must be installed and the configuration files set up on each node in the cluster. Then use the following command to start Heartbeat on each node in the cluster:
rcheartbeat start
To make sure that Heartbeat starts each time the node restarts, use the following command:
chkconfig heartbeat on
Two log files provide status information about the functioning of the Heartbeat cluster and can be viewed by using the following commands:
tail -f /var/log/ha-log tail -f /var/log/ha-debug