ORA-29702: error occurred in Cluster Group Service operation

I got ” ORA-29702: error occurred in Cluster Group Service operation ”  error in Oracle database.

ORA-29702: error occurred in Cluster Group Service operation

Details of error are as follows.

ORA-29702: error occurred in Cluster Group Service operation

Cause: An unexpected error occurred while performing a CGS operation.

Action: Verify that the LMON process is still active. Also, check the Oracle LMON trace files for errors.

error occurred in Cluster Group Service operation

This ORA-29702 error is related to the unexpected error occurred while performing a CGS operation.

Verify that the LMON process is still active. Also, check the Oracle LMON trace files for errors.

To solve this error, shutdown database and Relink with RAC OFF option as follows.

$ srvctl stop database -d DB_NAME

OR

SQL> shutdown immediate

Once your database is closed, you can start to relink as follows.

$ cd $ORACLE_HOME/rdbms/lib
$ make -f ins_rdbms.mk rac_off
$ make -f ins_rdbms.mk ioracle

If Relink is done successfully,  start database as follows.

$ srvctl start database -d DB_NAME

OR

SQL> startup

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Oracle Tutorial | Oracle Database Tutorials for Beginners ( Junior Oracle DBA )