Source:-
Please refers to steps in Metalink Note:
239998.1
Broad Level Steps:-
=================
rm -f /etc/init.d/init.cssd
rm -f /etc/init.d/init.crs
rm -f /etc/init.d/init.crsd
rm -f /etc/init.d/init.evmd
rm -f /etc/rc2.d/K96init.crs
rm -f /etc/rc2.d/S96init.crs
rm -f /etc/rc3.d/K96init.crs
rm -f /etc/rc3.d/S96init.crs
rm -f /etc/rc5.d/K96init.crs
rm -f /etc/rc5.d/S96init.crs
rm -Rf /etc/oracle/*
rm -f /etc/inittab.crs
cp /etc/inittab.orig /etc/inittab
rm -rf /oracrs/oracle/product
rm -rf /oracrs/oracle/oraInventory
Clusterware installation Steps:
http://onlineappsdba.com/index.php/2009/06/06/oracle-rac-clusterware-installation-overview/
