Oracle 使用RMAN自动备份

Oracle 使用RMAN自动备份

1、用Oracle身份登陆

2、编写自动备份的脚本并清除归档日志

$ vi /home/oracle/backs.sh

#!/bin/sh
source /home/oracle/.bash_profile
cd $ORACLE_HOME/bin
rman target  / nocatalog msglog=/home/oracle/rman_bk_`date '+%Y%m%d%H%M%S'`.log <<EOF
run{
REPORT OBSOLETE;
DELETE force NOPROMPT OBSOLETE;
allocate channel c1 type disk;
allocate channel c2 type disk;
allocate channel c3 type disk;
backup incremental level=0 database  tag 'level0' format '/home/oracle/dblevel0_%s_%T' ;
backup current controlfile tag 'ctl' format '/home/oracle/ctl_%s_%p_%t';
sql 'alter system archive log current';
crosscheck archivelog all;
backup filesperset 3 archivelog all tag 'arch' format '/home/oracle/oarch_%u_%s_%p' delete input;
release channel c1;
release channel c2;
release channel c3;
}
exit;
EOF

备注：

log日志文件名最后的格式如bk_年月日小时分钟秒.log

rman_bk_20120102101501.log
%s 备份集的号 
%t 备份集时间戳 
%T 年月日格式(YYYYMMDD)
3、设置RMAN自动运行保存数据库的脚本

vi  /home/oracle/runback.sh

#!/bin/sh
source /home/oracle/backs.sh

4、设置RMAN自动备份在脚本的执行时间，这边的时间是每天的10点15分

crontab -e

3 10 * * * /home/oracle/runback.sh