ORA-00265: instance recovery required, cannot set ARCHIVELOG

OS:

Oracle Linux Server release 5.7

 

DB:

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

 

SQL> startup mount
ORACLE instance started.

Total System Global Area 3340451840 bytes
Fixed Size 2232960 bytes
Variable Size 1912606080 bytes
Database Buffers 1409286144 bytes
Redo Buffers 16326656 bytes
Database mounted.
SQL>

 

SQL> alter database archivelog;
alter database archivelog
*
ERROR at line 1:
ORA-00265: instance recovery required, cannot set ARCHIVELOG mode

SQL>

 

SQL> alter database open;

Database altered.

SQL>

 

SQL> alter system switch logfile;

System altered.

SQL> alter system switch logfile;

System altered.

SQL> alter system switch logfile;

System altered.

SQL>

 

SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL>

 

SQL> startup mount
ORACLE instance started.

Total System Global Area 3340451840 bytes
Fixed Size 2232960 bytes
Variable Size 1912606080 bytes
Database Buffers 1409286144 bytes
Redo Buffers 16326656 bytes
Database mounted.
SQL>

 

SQL> alter database archivelog;

Database altered.

SQL>