« 两只蝴蝶 | Blog首页 | 如何从结果集中获得随机结果 »
用Rman的Plus archvielog选项简化数据库备份
作者:eygle | 【转载请注出处】|【云和恩墨 领先的zData数据库一体机 | zCloud PaaS云管平台 | SQM SQL审核平台 | ZDBM 数据库备份一体机】
链接:https://www.eygle.com/archives/2004/11/use_rman_plusarchivelog_option.html
链接:https://www.eygle.com/archives/2004/11/use_rman_plusarchivelog_option.html
Oracle9i开始Rman提供plus archivelog选项,极大的简化了Rman备份的操作。
当你定义plus archivelog语句时,RMAN执行如下步骤的操作:
1。运行一个ALTER SYSTEM ARCHIVELOG CURRENT命令
2。运行BACKUP ARCHIVELOG ALL命令。注意如果备份优化被启用,RMAN只会备份未备份过的日志
3。备份BACKUP命令中定义的文件
4。运行ALTER SYSTEM ARCHIVELOG CURRENT命令
5。备份所有的剩下的归档日志
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 backupset channel ORA_DISK_1: specifying archive log(s) in backup set 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 set 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 backupset channel ORA_DISK_1: specifying datafile(s) in backupset including current SPFILE in backupset including current controlfile in backupset 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 set 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 backupset channel ORA_DISK_1: specifying archive log(s) in backup set 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 set 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,同时确保需要的日志都被备份。
[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
|
历史上的今天...
>> 2015-11-04文章:
>> 2009-11-04文章:
>> 2005-11-04文章:
By eygle on 2004-11-04 11:58 | Comments (1) | Backup&Recovery | 1281 |
我有次就没有备份到该备份的归档日志了
估计是控制文件还保留不存在的归档日志记录,备份的时候就把这些信息也带进去了。恢复的时候就拼命的要这些文件