Deinstall method:
Step 1:
On all cluster nodes, run the following command as the "root" user.
perl $GRID_HOME/crs/install/rootcrs.pl -verbose -deconfig -force
Step 2:
On the last cluster node, run the following command as the "root" user.
perl $GRID_HOME/crs/install/rootcrs.pl -verbose -deconfig -force -lastnode
perl $GRID_HOME/crs/install/rootcrs.pl -verbose -deconfig -force
Step 2:
On the last cluster node, run the following command as the "root" user.
perl $GRID_HOME/crs/install/rootcrs.pl -verbose -deconfig -force -lastnode
Another method:
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/*
rm /etc/oraInst.loc
rm /etc/oratab
rm /var/tmp/.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
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/*
rm /etc/oraInst.loc
rm /etc/oratab
rm /var/tmp/.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