ORA-00265: instance recovery required, cannot set ARCHIVELOG mode

SQL> shutdown immediate ;
ORA-01109: database not open

Database dismounted.
ORACLE instance shut down.
SQL> startup mount ;
ORACLE instance started.

Total System Global Area  285212672 bytes
Fixed Size                  2095704 bytes
Variable Size             155190696 bytes
Database Buffers          121634816 bytes
Redo Buffers                6291456 bytes
Database mounted.
SQL> alter database archivelog ;
alter database archivelog
*
ERROR at line 1:
ORA-00265: instance recovery required, cannot set ARCHIVELOG mode

SQL> shutdown immediate ;
ORA-01109: database not open

Database dismounted.
ORACLE instance shut down.
SQL> startup ;
ORACLE instance started.

Total System Global Area  285212672 bytes
Fixed Size                  2095704 bytes
Variable Size             155190696 bytes
Database Buffers          121634816 bytes
Redo Buffers                6291456 bytes
Database mounted.
Database opened.
SQL>

SQL> SQL> shutdown immediate ;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount ;
ORACLE instance started.

Total System Global Area  285212672 bytes
Fixed Size                  2095704 bytes
Variable Size             155190696 bytes
Database Buffers          121634816 bytes
Redo Buffers                6291456 bytes
Database mounted.
SQL> alter database archivelog;

Database altered.

8 thoughts on “ORA-00265: instance recovery required, cannot set ARCHIVELOG mode

  1. shut immediate;ORA-01109: database not openDatabase dismounted.ORACLE instance shut down.SQL> startup mount;ORACLE instance started.Total System Global Area 414298112 bytesFixed Size 1336904 bytesVariable Size 247466424 bytesDatabase Buffers 159383552 bytesRedo Buffers 6111232 bytesDatabase mounted.SQL> alter database archivelog;alter database archivelog*ERROR at line 1:ORA-00265: instance recovery required, cannot set ARCHIVELOG modeSQL> alter database archivelog ;alter database archivelog*ERROR at line 1:ORA-00265: instance recovery required, cannot set ARCHIVELOG mode

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  2. Follow the below :-SQL> startup mount force;SQL> select status from v$instance;SQL> alter database open;SQL> shutdown immediate;SQL> startup mount;SQL> alter database archivelog;SQL> alter database open;

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