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記錄一次現場“數據庫遷移”的筆記

2019-11-18 13:08:34
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  剛開始出現了些問題,搞得我既郁悶又著急。都不知道我在記什么了,大家將就著看吧!
  
  一個10G數據庫的真實遷移過程(也可以說是一個數據庫系統崩潰下的恢復過程),要求停機的時間最短
  
  前提:擁有完整的數據庫備份和歸檔日志,遷移的主機所有的目錄結構和原主機一樣。
  
  Oracle版本: 10.1.0.3.0
  
  操作系統: linux2.6.11
  
  備份程序:rman,沒用恢復目錄
  
  把所有rman的備份(包括控制文件的自動備份)拷貝到新的服務器上,路徑要和原來的一模一樣。
  
  遷移過程如下:
  
  1、把參數文件,tns等文件拷貝到新服務器上,原數據庫停機,開始把數據庫遷移到新的服務器上。
  
  $set oracle_sid=service
  
  SQL> conn / as sysdba
  
  Connected.
  
  SQL>startup nomount;
  
  2、--恢復控制文件
  
  SQL> declare
  
  devtype varchar2(256);
  
  done boolean;
  
  begin
  
  devtype :=dbms_backup_restore.deviceallocate(NULL);
  
  dbms_backup_restore.restoresetdatafile;
  
  dbms_backup_restore.restorecontrolfileto('/opt/data/SERVICE/control01.ctl'); dbms_backup_restore.restorebackuppiece('/opt/backup/control_c-4194659530-20050805-01',DONE => done);
  
  end;
  
  /
  
  PL/SQL PRocedure sUCcessfully completed.
  
  --這個過程我到現在還解,應該是只要控制文件自動備份,通過restore controlfile from autobackup就能恢復過來,但我在現場怎么實現不了。沒辦法,只要用dbms_backup_restore包了。
  
  3、--把控制文件復制成三個文件
  
  $ cp control01.ctl control02.ctl
  
  $ cp control01.ctl control03.ctl
  
  SQL>alter database mount --數據庫啟動到mount狀態預備進行數據文件的恢復
  
  4、--啟動rman
  
  Recovery Manager: Release 10.1.0.3.0 - Production
  
  Copyright (c) 1995, 2004, Oracle. All rights reserved.
  
  RMAN> connect target /
  
  connected to target database: SERVICE (DBID=667643333)
  
  RMAN> restore database ;
  
  Starting restore at 05-AUG-05
  
  using target database controlfile instead of recovery catalog
  
  allocated channel: ORA_DISK_1
  
  channel ORA_DISK_1: sid=159 devtype=DISK
  
  channel ORA_DISK_1: starting datafile backupset restore
  
  channel ORA_DISK_1: specifying datafile(s) to restore from backup set
  
  restoring datafile 00001 to /opt/data/SERVICE/system01.dbf
  
  restoring datafile 00002 to /opt/data/SERVICE/undotbs01.dbf
  
  restoring datafile 00003 to /opt/data/SERVICE/sysaux01.dbf
  
  restoring datafile 00004 to /opt/data/SERVICE/users01.dbf
  
  restoring datafile 00005 to /opt/data/SERVICE/business01.dbf
  
  restoring datafile 00006 to /opt/data/SERVICE/advertise.dbf
  
  restoring datafile 00007 to /opt/data/SERVICE/backup.dbf
  
  channel ORA_DISK_1: restored backup piece 1
  
  piece handle=/opt/backup/service_mpgr881f_1_1_565452847 tag=TAG20050804T141407
  
  channel ORA_DISK_1: restore complete
  
  Finished restore at 05-AUG-05
  
  5、--查看歸檔日志
  
  RMAN> list backup archivelog all;
  
  6、進行數據庫的恢復
  
  RMAN> recover database;
  
  Starting recover at 05-AUG-05
  
  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=15553
  
  channel ORA_DISK_1: restored backup piece 1
  
  piece handle=/opt/backup/service_mqgr88jj_1_1_565453427 tag=TAG20050804T142347
  
  channel ORA_DISK_1: restore complete
  
  archive log filename=/opt/archive/SERVICE1_15553_552391870.dbf thread=1 sequence=15553
  
  channel ORA_DISK_1: starting archive log restore to default destination
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15554
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15555
  
  channel ORA_DISK_1: restored backup piece 1
  
  piece handle=/opt/backup/service_msgr88om_1_1_565453590 tag=TAG20050804T142629
  
  channel ORA_DISK_1: restore complete
  
  archive log filename=/opt/archive/SERVICE1_15554_552391870.dbf thread=1 sequence=15554
  
  archive log filename=/opt/archive/SERVICE1_15555_552391870.dbf thread=1 sequence=15555
  
  channel ORA_DISK_1: starting archive log restore to default destination
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15556
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15557
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15558
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15559
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15560
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15561
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15562
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15563
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15564
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15565
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15566
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15567
  
  channel ORA_DISK_1: restored backup piece 1
  
  piece handle=/opt/backup/service_mvgraf8g_1_1_565525776 tag=TAG20050805T102935
  
  channel ORA_DISK_1: restore complete
  
  archive log filename=/opt/archive/SERVICE1_15556_552391870.dbf thread=1 sequence=15556
  
  archive log filename=/opt/archive/SERVICE1_15557_552391870.dbf thread=1 sequence=15557
  
  archive log filename=/opt/archive/SERVICE1_15558_552391870.dbf thread=1 sequence=15558
  
  archive log filename=/opt/archive/SERVICE1_15559_552391870.dbf thread=1 sequence=15559
  
  archive log filename=/opt/archive/SERVICE1_15560_552391870.dbf thread=1 sequence=15560
  
  archive log filename=/opt/archive/SERVICE1_15561_552391870.dbf thread=1 sequence=15561
  
  archive log filename=/opt/archive/SERVICE1_15562_552391870.dbf thread=1 sequence=15562
  
  archive log filename=/opt/archive/SERVICE1_15563_552391870.dbf thread=1 sequence=15563
  
  archive log filename=/opt/archive/SERVICE1_15564_552391870.dbf thread=1 sequence=15564
  
  archive log filename=/opt/archive/SERVICE1_15565_552391870.dbf thread=1 sequence=15565
  
  archive log filename=/opt/archive/SERVICE1_15566_552391870.dbf thread=1 sequence=15566
  
  archive log filename=/opt/archive/SERVICE1_15567_552391870.dbf thread=1 sequence=15567
  
  channel ORA_DISK_1: starting archive log restore to default destination
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15568
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15569
  
  channel ORA_DISK_1: restoring archive log
  
  archive log thread=1 sequence=15570
  
  channel ORA_DISK_1: restoring archive log
  
  archive log

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