On a test RAC environment, while archiving is being enabled, “ALTER DATABASE ARCHIVELOG” command errored with ORA-00265: instance recovery required, cannot set ARCHIVELOG mode
Below are the steps performed to enable Archivelog mode on a 3-node RAC database environment.
test0115:TEST1011 $ srvctl status database -d TEST101
Instance TEST1011 is running on node test0115
Instance TEST1012 is running on node test0116
Instance TEST1013 is running on node test0117
test0115:TEST1011 $
test0115:TEST1011 $ srvctl stop database -d TEST101
test0115:TEST1011 $ srvctl status database -d TEST101
Instance TEST1011 is not running on node test0115
Instance TEST1012 is not running on node test0116
Instance TEST1013 is not running on node test0117
test0115:TEST1011 $
test0115:TEST1011 $ srvctl start database -d TEST101 -o mount
test0115:TEST1011 $ srvctl status database -d TEST101
Instance TEST1011 is running on node test0115
Instance TEST1012 is running on node test0116
Instance TEST1013 is running on node test0117
test0115:TEST1011 $
test0115:TEST1011 $ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.4.0 Production on Sat May 9 14:13:54 2020
Copyright (c) 1982, 2013, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 – 64bit Production
With the Partitioning, Real Application Clusters and Automatic Storage Management options
SQL> select name,open_mode from gv$database;
NAME OPEN_MODE
——— ——————–
TEST101 MOUNTED
TEST101 MOUNTED
TEST101 MOUNTED
SQL>SQL> alter database archivelog;
alter database archivelog
*
ERROR at line 1:
ORA-00265: instance recovery required, cannot set ARCHIVELOG mode
Solution:
=========
1. Shutdown the database cleanly
SQL> shutdown immediate (on 3 RAC nodes)
2. Startup the database in mount stage
SQL> startup mount
3. Enable Archivelog mode
SQL> Alter database archivelog;
Database altered.
4. Open the database
SQL> Alter database open.
5. Verify archielog mode is enabled.
SQL> ARCHIVE LOG LIST;