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Oracle数据库中rman备份脚本非常实用

[日期:2014-11-17] 来源:Linux公社  作者:jxzhfei [字体: ]

Oracle数据库中rman备份脚本非常实用

查询字符集

SQL> select * from nls_database_parameters; 

NLS_CHARACTERSET
AL32UTF8 

备份时字符集很重要,不然会出乱码

一、0级备份(全备)红色是要修改的,根据个人的存放位置。

[oracle@oracle122 script]$ cat db_bak0.rman
run
{
    configure retention policy to recovery window of 8 days;
    configure controlfile autobackup on;
    configure controlfile autobackup format for device type disk to '/home/oracle/rmanbak/%F';
    allocate channel ch1 device type disk format '/home/oracle/rmanbak/inc0_%d_%s_%p_%u_%T';
    backup incremental level 0 tag='level 0' database skip inaccessible filesperset 10 plus archivelog filesperset 20;
    release channel ch1;
}
allocate channel for maintenance device type disk;
crosscheck backup;
delete noprompt expired backup;
delete noprompt obsolete;
delete noprompt archivelog until time 'sysdate-30';

0级运行脚本

[oracle@oracle122 script]$ cat exec_0_level.sh
ORACLE_HOSTNAME=oracle122; export ORACLE_HOSTNAME
ORACLE_BASE=/u01/app; export ORACLE_BASE
ORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1; export ORACLE_HOME

ORACLE_SID=orcl; export ORACLE_SID
ORACLE_TERM=xterm; export ORACLE_TERM
PATH=/usr/sbin:$PATH; export PATH
PATH=$ORACLE_HOME/bin:$PATH; export PATH
export DATE=$(date +%Y_%m_%d)
export NLS_LANG="Simplified Chinese_china".AL32UTF8

/u01/app/oracle/product/11.2.0/dbhome_1/bin/rman target sys/sys_admin cmdfile /home/oracle/rmanbak/script/db_bak0.rman log /home/oracle/rmanbak/script/log/rman_$DATE.log append

二、1级备份(增量)

[oracle@oracle122 script]$ cat db_bak1.rman
run
{
    configure retention policy to recovery window of 8 days;
    configure controlfile autobackup on;
    configure controlfile autobackup format for device type disk to '/home/oracle/rmanbak/%F';
    allocate channel ch1 device type disk format '/home/oracle/rmanbak/inc1_%d_%s_%p_%u_%T';
    backup incremental level 1 tag='level 1' database skip inaccessible filesperset 10 plus archivelog filesperset 20;
    release channel ch1;
}
allocate channel for maintenance device type disk;
crosscheck backup;
delete noprompt expired backup;
delete noprompt obsolete;
delete noprompt archivelog until time 'sysdate-30';

1级运行脚本

[oracle@oracle122 script]$ cat exec_1_level.sh
ORACLE_HOSTNAME=oracle122; export ORACLE_HOSTNAME
ORACLE_BASE=/u01/app; export ORACLE_BASE
ORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1; export ORACLE_HOME
ORACLE_SID=orcl; export ORACLE_SID
ORACLE_TERM=xterm; export ORACLE_TERM
PATH=/usr/sbin:$PATH; export PATH
PATH=$ORACLE_HOME/bin:$PATH; export PATH
export DATE=$(date +%Y_%m_%d)
export NLS_LANG="Simplified Chinese_china".AL32UTF8

/u01/app/oracle/product/11.2.0/dbhome_1/bin/rman target sys/sys_admin cmdfile /home/oracle/rmanbak/script/db_bak1.rman log /home/oracle/rmanbak/script/log/rman_$DATE.log append

 

三、2级备份(从0级追加到现在的备份)

[oracle@oracle122 script]$ cat db_bak2.rman
run
{
    configure retention policy to recovery window of 8 days;
    configure controlfile autobackup on;
    configure controlfile autobackup format for device type disk to '/home/oracle/rmanbak/%F';
    allocate channel ch1 device type disk format '/home/oracle/rmanbak/inc2_%d_%s_%p_%u_%T';
    backup incremental level 2 tag='level 2' database skip inaccessible filesperset 10 plus archivelog filesperset 20 delete all input;
    release channel ch1;
}
allocate channel for maintenance device type disk;
crosscheck backup;
delete noprompt expired backup;
delete noprompt obsolete;

2级运行脚本

[oracle@oracle122 script]$ cat exec_2_level.sh
ORACLE_HOSTNAME=oracle122; export ORACLE_HOSTNAME
ORACLE_BASE=/u01/app; export ORACLE_BASE
ORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1; export ORACLE_HOME
ORACLE_SID=orcl; export ORACLE_SID
ORACLE_TERM=xterm; export ORACLE_TERM
PATH=/usr/sbin:$PATH; export PATH
PATH=$ORACLE_HOME/bin:$PATH; export PATH
export DATE=$(date +%Y_%m_%d)
export NLS_LANG="Simplified Chinese_china".AL32UTF8

/u01/app/oracle/product/11.2.0/dbhome_1/bin/rman target sys/sys_admin cmdfile /home/oracle/rmanbak/script/db_bak2.rman log /home/oracle/rmanbak/script/log/rman_$DATE.log append 

定时备份星期天为0级全备,星期三为2级备份,星期一,星期二,星期四,星期五,星期六为1级增量备份晚上11点开始备份

[oracle@oracle122 script]$ crontab -l
* 23 * *  0 /home/oracle/rmanbak/script/exec_0_level.sh
* 23 * *  1 /home/oracle/rmanbak/script/exec_1_level.sh
* 23 * *  2 /home/oracle/rmanbak/script/exec_1_level.sh
* 23 * *  3 /home/oracle/rmanbak/script/exec_2_level.sh
* 23 * *  4 /home/oracle/rmanbak/script/exec_1_level.sh
* 23 * *  5 /home/oracle/rmanbak/script/exec_1_level.sh
* 23 * *  6 /home/oracle/rmanbak/script/exec_1_level.sh

--------------------------------------推荐阅读 --------------------------------------

RMAN 配置归档日志删除策略 http://www.linuxidc.com/Linux/2013-11/92670.htm

Oracle基础教程之通过RMAN复制数据库 http://www.linuxidc.com/Linux/2013-07/87072.htm

RMAN备份策略制定参考内容 http://www.linuxidc.com/Linux/2013-03/81695.htm

RMAN备份学习笔记 http://www.linuxidc.com/Linux/2013-03/81892.htm

Oracle数据库备份加密 RMAN加密 http://www.linuxidc.com/Linux/2013-03/80729.htm

--------------------------------------分割线 --------------------------------------

更多Oracle相关信息见Oracle 专题页面 http://www.linuxidc.com/topicnews.aspx?tid=12

本文永久更新链接地址http://www.linuxidc.com/Linux/2014-11/109458.htm

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相关资讯       rman备份  Rman备份脚本 
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