How to bring down 11g RAC Environment
rac1>su – oracle
$ps -ef|grep smon
$export ORACLE_SID=hrms1
$sqlplus
>show parameter cluster
>exit
rac1>$emctl ORACLE_UNQNAME=hrms1
$emctl stop dbconsole
$srvctl stop database -d hrms
$exit
rac1>#su – grid
$crsctl check crs
$crsctl check cluster
$crsctl check cluster -all
rac1>srvctl status asm
$srvctl status nodeapps
$crsctl stop crs (error)
rac1># cd /u01/product/11.2.0/grid_home/bin
bin># ./crsctl stop crs
bin>#./crsctl disable crs
#ps -ef | grep smon
# ssh rac2
rac2>cd /u01/product/11.2.0/grid_home/bin
bin>./crsctl stop crs
#./crsctl disable crs
dns>ifconfig -a
#service named stop
#init 0 (for shutting down the system)
