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首页 »数据库 » pidrman:使用Rman的Plus archvielog选项简化数据库备 »正文

pidrman:使用Rman的Plus archvielog选项简化数据库备

来源: 发布时间:星期二, 2009年5月5日 浏览:0次 评论:0
="t18"> Oracle9i开始Rman提供plus archivelog选项极大简化了Rman备份操作 当你定义plus archivelog语句时RMAN执行如下步骤操作:
1运行个ALTER SYSTEM ARCHIVELOG CURRENT命令
2运行BACKUP ARCHIVELOG ALL命令注重假如备份优化被启用RMAN只会备份未备份过日志
3备份BACKUP命令中定义文件
4运行ALTER SYSTEM ARCHIVELOG CURRENT命令
5备份所有剩下归档日志 测试备份脚本:
backup database format '/opt/oracle/orabak/full_%d_%T_%s' plus archivelog format '/opt/oracle/orabak/arch_%d_%T_%s' delete all input;

测试日志:
[oracle@jumper oracle]$ rman target / Recovery Manager: Release 9.2.0.4.0 - ProdUCtion Copyright (c) 1995, 2002, Oracle Corporation. All rights reserved. connected to target database: CONNER (DBID=3152029224) RMAN> run { 2> backup database 3> format '/opt/oracle/orabak/full%d_%T_%s' 4> plus archivelog 5> format '/opt/oracle/orabak/arch_%d_%T_%s' 6> delete all input; } Starting backup at 04-NOV-04 current log archived using target database controlfile instead of recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=12 devtype=DISK channel ORA_DISK_1: starting archive log backup channel ORA_DISK_1: specying archive log(s) in backup input archive log thread=1 sequence=163 recid=6 stamp=541351580 channel ORA_DISK_1: starting piece 1 at 04-NOV-04 channel ORA_DISK_1: finished piece 1 at 04-NOV-04 piece handle=/opt/oracle/orabak/arch_CONNER_20041104_7 comment=NONE channel ORA_DISK_1: backup complete, elapsed time: 00:00:02 channel ORA_DISK_1: deleting archive log(s) archive log filename=/opt/oracle/oradata/conner/archive/1_163.dbf recid=6 stamp=541351580 Finished backup at 04-NOV-04 Starting backup at 04-NOV-04 using channel ORA_DISK_1 channel ORA_DISK_1: starting full datafile backup channel ORA_DISK_1: specying datafile(s) in backup including current SPFILE in backup including current controlfile in backup input datafile fno=00004 name=/opt/oracle/oradata/conner/eygle01.dbf input datafile fno=00001 name=/opt/oracle/oradata/conner/system01.dbf input datafile fno=00002 name=/opt/oracle/oradata/conner/undotbs01.dbf input datafile fno=00003 name=/opt/oracle/oradata/conner/users01.dbf channel ORA_DISK_1: starting piece 1 at 04-NOV-04 aaaachannel ORA_DISK_1: finished piece 1 at 04-NOV-04 piece handle=/opt/oracle/orabak/full_CONNER_20041104_8 comment=NONE channel ORA_DISK_1: backup complete, elapsed time: 00:04:04 Finished backup at 04-NOV-04 Starting backup at 04-NOV-04 current log archived using channel ORA_DISK_1 channel ORA_DISK_1: starting archive log backup channel ORA_DISK_1: specying archive log(s) in backup input archive log thread=1 sequence=164 recid=7 stamp=541351832 channel ORA_DISK_1: starting piece 1 at 04-NOV-04 channel ORA_DISK_1: finished piece 1 at 04-NOV-04 piece handle=/opt/oracle/orabak/arch_CONNER_20041104_9 comment=NONE channel ORA_DISK_1: backup complete, elapsed time: 00:00:02 channel ORA_DISK_1: deleting archive log(s) archive log filename=/opt/oracle/oradata/conner/archive/1_164.dbf recid=7 stamp=541351832 Finished backup at 04-NOV-04 RMAN>


通过plus archivelog,简化了备份操作同时确保需要日志都被备份
[oracle@jumper orabak]$ ls -l total 751628 -rw-r----- 1 oracle dba 156160 Nov 4 15:26 arch_CONNER_20041104_7 -rw-r----- 1 oracle dba 60928 Nov 4 15:30 arch_CONNER_20041104_9 -rw-r----- 1 oracle dba 768679936 Nov 4 15:30 full_CONNER_20041104_8

本文作者:
eygle,Oracle技术关注者,来自中国最大Oracle技术论坛itpub.
www.eygle.com是作者个人站点.你可通过[email protected]来联系作者.欢迎技术探讨交流以及链接交换.
原文出处: http://www.eygle.com/ha/Use.Rman.Plus.Archivelog.Option.htm

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