How to Clean up failed RAC Install on linux

rm -rf /etc/oracle/*
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/scls_scr
rm -f /etc/inittab.crs
cp -f --reply=yes /etc/inittab.orig /etc/inittab
rm -rf /u01/crs
rm -rf /u01/app/oracle
rm -f /etc/oraInst.loc
dd if=/dev/zero of=/dev/raw/raw1 bs=1M count=256000
dd if=/dev/zero of=/dev/raw/raw2 bs=1M count=256000