How to change Virtual IP address on Oracle RAC..

[root@vm12 ~]# cd /u02/app/oracle/product/10.2.0/crs/bin/

[root@vm12 bin]# srvctl modify nodeapps -n vm11 -A 192.168.0.151/255.255.255.0/eth0

[root@vm12 bin]# ./srvctl stop nodeapps -n vm12
CRS-0210: Could not find resource 'ora.vm12.LISTENER_VM12.lsnr'.

[root@vm12 bin]# ./srvctl config nodeapps -n vm12 -a
VIP exists.: /vm12-priv.domain.com/192.168.1.52/255.255.255.0/eth0:eth1

[root@vm12 bin]# ./srvctl modify nodeapps -n vm12 -A 192.168.0.152/255.255.255.0/eth0

[root@vm12 bin]# ./srvctl config nodeapps -n vm12 -a
VIP exists.: /vm12-vip.domain.com/192.168.0.152/255.255.255.0/eth0

[root@vm12 bin]# ./crsctl start crs
Attempting to start CRS stack
The CRS stack will be started shortly