利用rman進行異機還原(目錄相同)
源始庫：192.168.201.2
目標庫：192.168.201.3
--192.168.201.2
--rman
[oracle@db01 ~]$ rman target /
Recovery Manager: Release 10.2.0.1.0 - Production on Wed Sep 18 08:52:25 2013
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: ORCL (DBID=1354163930)--dbid
--備份數據文件
RMAN> backup database format '/u02/backup/dbf_%T_%U.bak';
Starting backup at 18-SEP-13
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=140 devtype=DISK
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00001 name=/u02/oradata/orcl/system01.dbf
input datafile fno=00002 name=/u02/oradata/orcl/undotbs01.dbf
input datafile fno=00003 name=/u02/oradata/orcl/sysaux01.dbf
input datafile fno=00005 name=/u02/oradata/orcl/app01.dbf
input datafile fno=00004 name=/u02/oradata/orcl/users01.dbf
channel ORA_DISK_1: starting piece 1 at 18-SEP-13
channel ORA_DISK_1: finished piece 1 at 18-SEP-13
piece handle=/u02/backup/dbf_20130918_05ok565a_1_1.bak tag=TAG20130918T085402
comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:01:25
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 18-SEP-13
channel ORA_DISK_1: finished piece 1 at 18-SEP-13
piece handle=/u02/backup/dbf_20130918_06ok567v_1_1.bak tag=TAG20130918T085402
comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:03
Finished backup at 18-SEP-13
--備份歸檔日誌
RMAN> backup archivelog all format '/u02/backup/arc_%T_%U.bak' delete input;
Starting backup at 18-SEP-13
current log archived
using channel ORA_DISK_1
channel ORA_DISK_1: starting archive log backupset
channel ORA_DISK_1: specifying archive log(s) in backup set
input archive log thread=1 sequence=33 recid=6 stamp=826448032
input archive log thread=1 sequence=34 recid=7 stamp=826448303
channel ORA_DISK_1: starting piece 1 at 18-SEP-13
channel ORA_DISK_1: finished piece 1 at 18-SEP-13
piece handle=/u02/backup/arc_20130918_07ok56dg_1_1.bak tag=TAG20130918T085823
comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:02
channel ORA_DISK_1: deleting archive log(s)
archive log filename=/u02/archivelog/1_33_826383194.dbf recid=6 stamp=826448032
archive log filename=/u02/archivelog/1_34_826383194.dbf recid=7 stamp=826448303
Finished backup at 18-SEP-13
--備份控制文件
RMAN> backup current controlfile format '/u02/backup/ctl_%T_%U.bak';
Starting backup at 18-SEP-13
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
including current control file in backupset
channel ORA_DISK_1: starting piece 1 at 18-SEP-13
channel ORA_DISK_1: finished piece 1 at 18-SEP-13
piece handle=/u02/backup/ctl_20130918_08ok56fa_1_1.bak tag=TAG20130918T085922
comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 18-SEP-13
--192.168.201.3
--關閉數據庫
[oracle@db02 orcl]$ sqlplus /nolog
SQL*Plus: Release 10.2.0.1.0 - Production on Wed Sep 18 07:39:50 2013
Copyright (c) 1982, 2005, Oracle. All rights reserved.
SQL> conn /as sysdba
Connected.
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
--打開數據庫到nomount狀態
SQL> startup nomount;
ORACLE instance started.
Total System Global Area 734003200 bytes
Fixed Size 1221564 bytes
Variable Size 213912644 bytes
Database Buffers 515899392 bytes
Redo Buffers 2969600 bytes
--rman
[oracle@db02 bdump]$ rman target /
Recovery Manager: Release 10.2.0.1.0 - Production on Wed Sep 18 09:02:02 2013
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: orcl (not mounted)
--設置dbid(與源庫保持一致，如果與源庫不同，則會無法恢復，後面再演示)
RMAN> set dbid=1354163930
executing command: SET DBID
--還原控制文件
RMAN> restore controlfile from '/u02/backup/ctl_20130918_0cok56kv_1_1.bak';
Starting restore at 18-SEP-13
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=155 devtype=DISK
channel ORA_DISK_1: restoring control file
channel ORA_DISK_1: restore complete, elapsed time: 00:00:02
output filename=/u02/oradata/orcl/control01.ctl
output filename=/u02/oradata/orcl/control02.ctl
output filename=/u02/oradata/orcl/control03.ctl
Finished restore at 18-SEP-13
--打開數據庫到mount狀態
RMAN> alter database mount;
database mounted
released channel: ORA_DISK_1
--還原數據庫
RMAN> restore database;
Starting restore at 18-SEP-13
Starting implicit crosscheck backup at 18-SEP-13
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=155 devtype=DISK
Crosschecked 11 objects
Finished implicit crosscheck backup at 18-SEP-13
Starting implicit crosscheck copy at 18-SEP-13
using channel ORA_DISK_1
Finished implicit crosscheck copy at 18-SEP-13
searching for all files in the recovery area
cataloging files...
no files cataloged
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile backupset restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
restoring datafile 00001 to /u02/oradata/orcl/system01.dbf
restoring datafile 00002 to /u02/oradata/orcl/undotbs01.dbf
restoring datafile 00003 to /u02/oradata/orcl/sysaux01.dbf
restoring datafile 00004 to /u02/oradata/orcl/users01.dbf
restoring datafile 00005 to /u02/oradata/orcl/app01.dbf
channel ORA_DISK_1: reading from backup piece /u02/backup/dbf_20130918_09ok56i6_1_1.bak
channel ORA_DISK_1: restored backup piece 1
piece handle=/u02/backup/dbf_20130918_09ok56i6_1_1.bak tag=TAG20130918T090054
channel ORA_DISK_1: restore complete, elapsed time: 00:00:45
Finished restore at 18-SEP-13
--恢復數據庫
RMAN> recover database;
Starting recover at 18-SEP-13
using channel ORA_DISK_1
starting media recovery
channel ORA_DISK_1: starting archive log restore to default destination
channel ORA_DISK_1: restoring archive log
archive log thread=1 sequence=35
channel ORA_DISK_1: restoring archive log
archive log thread=1 sequence=36
channel ORA_DISK_1: reading from backup piece /u02/backup/arc_20130918_0bok56kj_1_1.bak
channel ORA_DISK_1: restored backup piece 1
piece handle=/u02/backup/arc_20130918_0bok56kj_1_1.bak tag=TAG20130918T090211
channel ORA_DISK_1: restore complete, elapsed time: 00:00:01
archive log filename=/u02/archivelog/1_35_826383194.dbf thread=1 sequence=35
archive log filename=/u02/archivelog/1_36_826383194.dbf thread=1 sequence=36
unable to find archive log
archive log thread=1 sequence=37
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of recover command at 09/18/2013 09:05:45
RMAN-06054: media recovery requesting unknown log: thread 1 seq 37 lowscn 372817
--注：此處報錯屬於正常現象，因爲前面創建的備份非一致性備份
--打開數據庫
RMAN> alter database open resetlogs;
database opened
--注：至此，恢復完成。
--下面演示目標庫的dbid與原始庫的dbid設置的不一致所出現的問題
--關閉數據庫
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
--打開數據庫到nomount狀態
SQL> startup nomount;
ORACLE instance started.
Total System Global Area 734003200 bytes
Fixed Size 1221564 bytes
Variable Size 213912644 bytes
Database Buffers 515899392 bytes
Redo Buffers 2969600 bytes
--rman
[oracle@db02 bdump]$ rman target /
Recovery Manager: Release 10.2.0.1.0 - Production on Wed Sep 18 09:10:37 2013
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: orcl (not mounted)
--設置dbid
RMAN> set dbid=546330155
executing command: SET DBID
--還原控制文件
RMAN> restore controlfile from '/u02/backup/ctl_20130918_0cok56kv_1_1.bak';
Starting restore at 18-SEP-13
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=155 devtype=DISK
channel ORA_DISK_1: restoring control file
channel ORA_DISK_1: restore complete, elapsed time: 00:00:01
output filename=/u02/oradata/orcl/control01.ctl
output filename=/u02/oradata/orcl/control02.ctl
output filename=/u02/oradata/orcl/control03.ctl
Finished restore at 18-SEP-13
--打開數據庫到mount狀態
RMAN> alter database mount;
database mounted
released channel: ORA_DISK_1
RMAN> restore database;
Starting restore at 18-SEP-13
Starting implicit crosscheck backup at 18-SEP-13
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of restore command at 09/18/2013 09:12:30
RMAN-12010: automatic channel allocation initialization failed
RMAN-06189: current DBID 546330155 does not match target mounted database (1354163930)
--注：這裏還原數據庫的時候報錯。