start and stop oracle RAC
Starting the Oracle RAC 10g Environment
$ export ORACLE_SID=orcl1
$ srvctl start nodeapps -n linux1
$ srvctl start asm -n linux1
$ srvctl start instance -d orcl -i orcl1
$ emctl start dbconsole
Stopping the Oracle RAC 10g Environment
$ export ORACLE_SID=orcl1
$ emctl stop dbconsole
$ srvctl stop instance -d orcl -i orcl1
$ srvctl stop asm -n linux1
$ srvctl stop nodeapps -n linux1
Start/Stop All Instances with SRVCTL
$ srvctl start database -d orcl
$ srvctl stop database -d orcl
