[ORACLE] Archive mode 변경

1. Parameter 확인

2. Archive Log Mode 확인

3. Archive Log File이 쌓일 Directory 확인

4. Parameter 변경

5. DB Shutdown

6. DB Mount 후, Archive Log Mode 변경

7. DB Open

8. Archive Log Mode 확인

 

 

1. 사용 중인 Parameter File을 확인 합니다. (SPFILE 사용 중)

 

SQL> show parameter pfile;

 

NAME       TYPE           VALUE

---------- -------------- ---------------------------------------------

spfile     string         /home/oracle/product/10g/dbs/spfileORA11.ora

 

2. Archive Log Mode를 확인 합니다. (현재는 No Archive Log Mode)

 

SQL> archive log list;

 

Database log mode              No Archive Mode

Automatic archival             Disabled

Archive destination            USE_DB_RECOVERY_FILE_DEST

Oldest online log sequence     1

Current log sequence           1

 

3. Archive File이 쌓일 Directory를 확인 합니다. (/arch 로 권한은 oracle:dba 권한을 부여)

[root@oracle ~]# chown -R oracle:dba /arch

 

4. Parameter를 변경 합니다. (Archive Log Dest 및 Archive Log File의 Format 설정)

[ORA11]oracle:/home/oracle>sqlplus "/as sysdba"

 

SQL*Plus: Release 11.2.0.4.0 Production on Fri Oct 2 13:56:46 2015

 

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, OLAP, Data Mining and Real Application Testing options

 

SQL> alter system set log_archive_dest_1='location=/arch' scope=spfile;

 

System altered.

 

SQL> alter system set log_archive_format='%t_%s_%r.arc' scope=spfile;

 

System altered.

5. DB를 Shutdown 합니다. (Parameter 변경 적용)

SQL> shutdown immediate;

Database closed.

Database dismounted.

ORACLE instance shut down.

 

6. Archive Log Mode로 변경 합니다. (DB Mount 상태에서 변경 후, DB Open)

 

SQL> startup mount;

ORACLE instance started.

 

Total System Global Area  313159680 bytes

Fixed Size                  2252824 bytes

Variable Size             222302184 bytes

Database Buffers           83886080 bytes

Redo Buffers                4718592 bytes

Database mounted.

 

SQL> alter database archivelog;

SQL> alter database noarchivelog;

 

Database altered.

 

SQL> alter database open;

 

Database altered.

 

8. Archive Log Mode 확인 (정상적으로 변경)

SQL> archive log list;

Database log mode              Archive Mode

Automatic archival             Enabled

Archive destination            /arch

Oldest online log sequence     63

Next log sequence to archive   65

Current log sequence           65

 

9. Archive Log Mode 변동 확인 작업

SQL> alter system switch logfile;

 

SQL> /

SQL> /