setmaster
Lists the server with up to eight masters. When a server is listed with a master, the master is aware of the server's IP address and port and it is added to the list of current server connected to a master. A heartbeat is sent to the master from the server to indicated that the server is still running and alive. Examples: setmaster 192.246.40.12:27002 setmaster 192.246.40.12:27002 192.246.40.12:27004