Enabling Archive Log on Oracle RAC 12C
Below are the steps to enable Archivelog mode on Oracle RAC 12c. Stop the database as grid (Both instances) srvctl stop database -d ORCL Start the database in mount mode srvctl start database -d ORCL -o mount Login to one db instances and enable archive log mode, ora12c@racbprdb2:~$ sqlplus sys as sysdba SQL*Plus: Release 12.2.0.1.0 Production on Sun Aug 9 11:25:57 2020 Copyright (c) 1982, 2016, Oracle. All rights reserved. Enter password: Connected to: Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production SQL> SQL> select name, open_mode from v$database; NAME OPEN_MODE --------- -------------------- ORCL MOUNTED SQL> ALTER DATABASE ARCHIVELOG; Database altered. SQL> Restart the database, grid12c@racbprdb1:~$ srvctl stop database -d ORCL grid12c@racbprdb1:~$ grid12c@racbprdb1:~$ srvctl start database -d ORCL grid12c@racbprdb1:~$ Check the archivelog mode SQL> sel...