Simple example for restore and recover database from RMAN backup.
Assuming that : I have a need to restore my DB as some important tables/data was dropped/removed and its really mission critical. I have already got some RMAN backups from past.
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.
Total System Global Area 1728053248 bytes
Fixed Size 3046512 bytes
Variable Size 1224737680 bytes
Database Buffers 486539264 bytes
Redo Buffers 13729792 bytes
Database mounted.
C:\Users\oracle>rman target /
Recovery Manager: Release 12.1.0.2.0 - Production on Fri Feb 19 12:46:12 2016
Copyright (c) 1982, 2014, Oracle and/or its affiliates. All rights reserved.
connected to target database: ORCLDB (DBID=1196XXXX70)
RMAN> list backup summary;
using target database control file instead of recovery catalog
List of Backups
===============
Key TY LV S Device Type Completion Time #Pieces #Copies Compressed Tag
------- -- -- - ----------- --------------- ------- ------- ---------- ---
20 B F A DISK 05-FEB-15 1 1 NO TAG20160205T155541
21 B F A DISK 05-FEB-15 1 1 YES FULL_ORCLDB
22 B F A DISK 05-FEB-15 1 1 YES FULL_ORCLDB
23 B F A DISK 05-FEB-15 1 1 YES FULL_ORCLDB
24 B F A DISK 05-FEB-15 1 1 NO TAG20160205T160507
RMAN> restore database from TAG='FULL_ORCLDB';
Starting restore at 19-FEB-15
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile backup set restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
channel ORA_DISK_1: restoring datafile 00003 to E:\APP\ORADATA\ORCLDB\UNDOTBS01.DBF
:
:
:
channel ORA_DISK_1: restoring datafile 00119 to E:\APP\ORADATA\TLAPP.DBF
channel ORA_DISK_1: reading from backup piece E:\APP\BACKUP\ORCLDB_BKP_0UQT63BQ_1_1
channel ORA_DISK_1: piece handle=E:\APP\BACKUP\ORCLDB_BKP_0UQT63BQ_1_1 tag=FULL_ORCLDB
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:03:15
channel ORA_DISK_1: starting datafile backup set restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
:
:
:
channel ORA_DISK_1: restoring datafile 00120 to E:\APP\ORADATA\TLLARGE.DBF
channel ORA_DISK_1: restoring datafile 00121 to E:\APP\ORADATA\TLWORK.DBF
channel ORA_DISK_1: restoring datafile 00122 to E:\APP\ORADATA\WAAPP.DBF
channel ORA_DISK_1: restoring datafile 00123 to E:\APP\ORADATA\ORCLDB\PSMATVW.DBF
channel ORA_DISK_1: reading from backup piece E:\APP\BACKUP\ORCLDB_BKP_0VQT63ER_1_1
channel ORA_DISK_1: piece handle=E:\APP\BACKUP\ORCLDB_BKP_0VQT63ER_1_1 tag=FULL_ORCLDB
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:04:36
Finished restore at 19-FEB-15
Now lets try opening DB (I know it wont work but lets try..)
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01113: file 1 needs media recovery
ORA-01110: data file 1: 'E:\APP\ORADATA\ORCLDB\SYSTEM01.DBF'
Now lets Recover DB
RMAN> recover database;
Starting recover at 19-FEB-15
using channel ORA_DISK_1
starting media recovery
archived log for thread 1 with sequence 3390 is already on disk as file E:\APP\ORADATA\ORCLDB\REDO03.LOG
archived log for thread 1 with sequence 3391 is already on disk as file E:\APP\ORADATA\ORCLDB\REDO01.LOG
archived log for thread 1 with sequence 3392 is already on disk as file E:\APP\ORADATA\ORCLDB\REDO02.LOG
RMAN-08187: WARNING: media recovery until SCN 69107847 complete
Finished recover at 19-FEB-15
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01589: must use RESETLOGS or NORESETLOGS option for database open
SQL>
We must open the database in open resetlogs mode. in order for recover to be completed. (WE CAN DO OPEN RESET LOGS FROM RMAN or SQLPLUS PROMPT)
RMAN> alter database open resetlogs;
Statement processed
RMAN> exit
Recovery Manager complete.
C:\Users\oracle>
