Removing/Reconfiguring a Grid Infrastructure configuration

We are going to look at the necessary steps that are required to remove a successful Grid Infrastructure configuration or reconfigure a failed Grid Infrastructure configuration.

Removing a successful Grid Infrastructure configuration

You may find that it is necessary to remove the Grid Infrastructure configuration for technical or non-technical reasons. Keep in mind that to remove a successful configuration, you are required to perform a two-step action:

• You need to deconfigure the Clusterware services

• You need to deinstall the software binaries

Firstly, stop any active databases running on the node, followed by an ASM instance. You could use the SRVCTL STOP DATABASE/ASM or the SQLPLUS command SHUTDOWN IMMEDIATE to stop the databases and the ASM instance.

Now, log in as root user, navigate to the $GRID_HOME/install directory, and initiate the following command:

   ./rootcrs.pl -verbose –deconfig –force --(except on the last node)

Once...