【错误更正】oracle 备份： 每天备份，全备份，保留七天。

1. 保留七天 只保留七天的备份是这样设置的 RMAN connect target/ connected to target database: DBSID (DBID=3100778490) RMAN configure retention policy to recovery window of 7 days; 2. 备份脚本 vi /root/rmanbak.sh #! /bin/bash su - oracle ! rm

1. 保留七天

只保留七天的备份是这样设置的

RMAN> connect target/

 

connected to target database: DBSID (DBID=3100778490)

RMAN> configure retention policy to recovery window of 7 days; 

2. 备份脚本

vi /root/rmanbak.sh

#! /bin/bash

su - oracle

rman target /

backup AS COMPRESSED BACKUPSET   database

include current controlfile format '/orabak/db_%d_%T_%s'

plus archivelog format '/orabak/arch_%d_%T_%s' ;

#delete obsolete;（使用此脚本会提示输入yes or no，造成自动删除失败）

delete noprompt obsolete;

#（不提示输入yes or no）
exit; 

EOF

3. 每天凌晨2点备份

crontab设值为

00 2 * * * /root/rmanbak.sh