Cleanup steps for cluster node removal for failed CRS on a particular node in cluster installation
perl $GRID_HOME/crs/install/rootcrs.pl -verbose -deconfig -force
On the last cluster node, run the following command as the “root” user.
perl $GRID_HOME/crs/install/rootcrs.pl -verbose -deconfig -force -lastnode
If the deinstall utility doesn’t works,remove the below commands to remove the failed CRS installation.
If the cluster node removal for failed CRS install on a particular node,
rm -rf /u01/app/oraInventory/*
rm -rf /u01/app/11203/grid/*
rm -rf /u01/app/grid/*
rm -rf /u01/app/oracle/product/11203/racdb/*
rm -rf /etc/oracle/*
*** cluster node was deleted and can’t be rebooted ***
RAC/Clusterware installation files were deleted at OS level from a cluster node by running all or any or all of the following rm commands