srvctl status database -db racdb
srvctl config database -db racdb
srvctl stop instance -f -db racdb -node host04
srvctl add service -db racdb -service SERV1 -preferred RACDB1
srvctl start service -db racdb -service SERV1
srvctl remvoe instance -db racdb -instance RACDB2
srvctl status database -db racdb
srvctl config database -db racdb
srvctl convert database -db racdb -dbtype raconenode
srvctl config database -db racdb
srvctl convert database -db racdb -dbtype raconenode
srvctl add instance -db racdb -instance RACDB2 -node host04
srvctl start database -db racdb -instanec RACDB2
srvctl stop service -db racdb -service SERV1
servctl remove service -db racdb -service SERV1