sybcluster -U uafadmin -P -C cluster_name -F "node_name[:port_num]
    [,node_name[:port_num]]..."
                This statement identifies the default cluster and the Sybase
                        Control Center agents on each node in the cluster. If you do not enter this
                        information on the sybcluster command
                        line, you can enter it in the following step. See the Clusters Users Guide.
  This example starts “mycluster” on “blade1”, “blade2”,
and “blade3”:
sybcluster -U uafadmin -P -C mycluster 
    -F "blade1,blade2,blade3"