RMAN Offline Backups
From Oracle FAQ
This articles describes how to do off-line backups with RMAN. RMAN can be used for offline backups regardless if the database is in ARCHIVELOG or NOARCHIVELOG mode.
SQL> select LOG_MODE from v$database; LOG_MODE ------------ NOARCHIVELOG 1 row selected.
Ensure the database is in MOUNT mode[edit]
Shutdown the database and start the instance in mount mode:
SQL> shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down.
SQL> startup mount; ORACLE instance started. Total System Global Area 209715200 bytes Fixed Size 1289748 bytes Variable Size 138412524 bytes Database Buffers 67108864 bytes Redo Buffers 2904064 bytes Database mounted. SQL> exit Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Production With the Partitioning, Oracle Label Security, OLAP and Data Mining options
Use RMAN to backup[edit]
Now, let's use RMAN to backup the database:
$ rman target / Recovery Manager: Release 10.2.0.1.0 - Production on Wed May 30 20:23:56 2007 Copyright (c) 1982, 2005, Oracle. All rights reserved. connected to target database: O10GR2 (DBID=1094333359, not open) RMAN> backup database; Starting backup at 30-MAY-07 using target database control file instead of recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=156 devtype=DISK channel ORA_DISK_1: starting full datafile backupset channel ORA_DISK_1: specifying datafile(s) in backupset input datafile fno=00001 name=/app/oracle/product/10.2.0/db_1/oradata/o10gr2/system01.dbf input datafile fno=00003 name=/app/oracle/product/10.2.0/db_1/oradata/o10gr2/sysaux01.dbf input datafile fno=00005 name=/app/oracle/product/10.2.0/db_1/oradata/o10gr2/example01.dbf input datafile fno=00004 name=/app/oracle/product/10.2.0/db_1/oradata/o10gr2/users01.dbf input datafile fno=00002 name=/app/oracle/product/10.2.0/db_1/oradata/o10gr2/undotbs01.dbf channel ORA_DISK_1: starting piece 1 at 30-MAY-07 channel ORA_DISK_1: finished piece 1 at 30-MAY-07 piece handle=/app/oracle/product/10.2.0/db_1/flash_recovery_area/O10GR2/backupset/2007_05_30/o1_mf_nnndf_TAG20070530T202407_35vjb7cs_.bkp tag=TAG20070530T202407 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:01:15 channel ORA_DISK_1: starting full datafile backupset channel ORA_DISK_1: specifying datafile(s) in backupset including current control file in backupset including current SPFILE in backupset channel ORA_DISK_1: starting piece 1 at 30-MAY-07 channel ORA_DISK_1: finished piece 1 at 30-MAY-07 piece handle=/app/oracle/product/10.2.0/db_1/flash_recovery_area/O10GR2/backupset/2007_05_30/o1_mf_ncsnf_TAG20070530T202407_35vjdny9_.bkp tag=TAG20070530T202407 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:00:03 Finished backup at 30-MAY-07
