Linux下自动执行Oracle数据库的备份

备份策略:星期天 0 级
星期一,二,四,五,六 2 级
星期三 1 级
--创建本地管理路径mkdir -p /dinglp/ora_managed/backup
mkdir -p /dinglp/ora_managed/backup
mkdir -p /dinglp/ora_managed/backup/export
mkdir -p /dinglp/ora_managed/backup/log
mkdir -p /dinglp/ora_managed/backup/rman_backup
mkdir -p /dinglp/ora_managed/scripts--创建rman表空间和rman用户create tablespace rman_tbs datafile "/oradata/luke/rman_tbs01.dbf" size 1024M;
create user rman_dlp identified by dlp default tablespace rman_tbs temporary tablespace temp;
grant connect,resource ,recovery_catalog_owner to rman;--注册catalog 数据库rman catalog rman_dlp/dlp
create catalog tablespace rman_tbs;
connect target sys/dg@priamry
register database;
report schema;--设置备份参数configure retention policy to redundancy 2;
configure retention policy to recovery window of 7 days;--以下是备份脚本（可以通过vi进行编辑）
dlp-> touch exp_rman.par
dlp-> touch exp_rman.sh
dlp-> touch rman_bk_LEVEL0.rcv   （数据库0级备份）
dlp-> touch rman_bk_LEVEL0.sh
dlp-> touch rman_bk_LEVEL1.rcv （数据库1级备份）
dlp-> touch rman_bk_LEVEL1.sh
dlp-> touch rman_bk_LEVEL2.rcv   （数据库2级备份www.linuxidc.com）
dlp-> touch rman_bk_LEVEL2.sh--倒出RMAN用户数据脚本exp_rman.par
##################################################
###               exp_rman.par                 ###
##################################################
userid=rman_dlp/dlp
file=/dinglp/ora_managed/backup/export/rman.dmp
log=/dinglp/ora_managed/backup/log/rman.log--倒出RMAN数据SHELL脚本exp_rman.sh
##################################################
###                 exp_rman.sh                ###
##################################################
#！/bin/bash
source /home/Oracle/.bash_profile
cd /dinglp/ora_managed/scripts
exp parfile=exp_rman.par--零级备份RMAN脚本rman_bk_LEVEL0.rcv
connect catalog rman_dlp/dlp
connect target sys/dg@primary
run {
allocate channel d1 type disk;
allocate channel d2 type disk;
backup incremental level 0 database format "/dinglp/ora_managed/backup/rman_backup/level0_%d_%s_%p_%u.bak"
tag="level 0" include current controlfile;
sql "alter system archive log current";
backup archivelog all format "/dinglp/ora_managed/backup/rman_backup/log_%d_%s_%p_%u.bak" delete all input;
release channel d2;
release channel d1;
}
crosscheck backup;
delete noprompt expired backup;
delete noprompt obsolete;
resync catalog;
exit;--零级备份SHELL脚本的rman_bk_LEVEL0.sh
#####################################################################
###                   rman_bk_LEVEL0.sh                           ###
#####################################################################
#！/bin/bash
source /home/oracle/.bash_profile
cd /dinglp/ora_managed/scripts
rman cmdfile=rman_bk_LEVEL0.rcv msglog=$HOME/backup/log/rman_bk_LEVEL0.log
./dinglp/ora_managed/script/exp_rman.sh--一级差异增量备份RMAN脚本rman_bk_LEVEL1.rcv
connect catalog rman_dlp/dlp
connect target sys/dg@primary
run {
allocate channel d1 type disk;
backup incremental level 1 format "/dinglp/ora_managed/backup/rman_backup/level1_%d_%s_%p_%u.bak" tag = "level 1" database;
sql "alter system archive log current";
backup archivelog all format "/dinglp/ora_managed/backup/rman_backup/log_%d_%s_%p_%u.bak" delete all input;
release channel d1;
}
crosscheck backup;
delete noprompt expired backup;
delete noprompt obsolete;
resync catalog;
exit;--一级差异增量备份SHELL脚本rman_bk_LEVEL1.sh
#####################################################################
###                   rman_bk_LEVEL1.sh                           ###
#####################################################################
#！/bin/bash
source /home/oracle/.bash_profile
cd /dinglp/ora_managed/scripts
rman cmdfile=rman_bk_LEVEL1.rcv msglog=/dinglp/ora_managed/backup/log/rman_bk_LEVEL1.log
. /dinglp/ora_managed/scripts/exp_rman.sh--二级差异增量备份RMAN脚本rman_bk_LEVEL2.rcv
connect catalog rman_dlp/dlp
connect target sys/dg@primary
run {
allocate channel d1 type disk;
backup incremental level 2 format "/dinglp/ora_managed/backup/rman_backup/level2_%d_%s_%p_%u.bak" tag = "level 2" database;
sql "alter system archive log current";
backup archivelog all format "/dinglp/ora_managed/backup/rman_backup/log_%d_%s_%p_%u.bak" delete all input;
release channel d1;
}
crosscheck backup;
delete noprompt expired backup;
delete noprompt obsolete;
resync catalog;
exit;--二级差异增量备份SHELL脚本rman_bk_LEVEL2.sh
#####################################################################
###                   rman_bk_LEVEL2.sh                           ###
#####################################################################
#！/bin/bash
source /home/oracle/.bash_profile
cd /dinglp/ora_managed/scripts
rman cmdfile=rman_bk_LEVEL2.rcv msglog=/dinglp/ora_managed/backup/log/rman_bk_LEVEL2.log
. /dinglp/ora_managed/scripts/exp_rman.sh--提高RMAN增量备份性能alter database enable block change tracking using file "/u01/app/oracle/admin/devdb/bdump/luke.log";desc v$block_change_tracking;--RMAN 动态视图
V$ARCHIVED_LOG             显示在数据库中已经创建、备份或清除的归档文件。
V$BACKUP_CORRUPTION    显示在备份集的备份过程中找到的损坏块。
V$COPY_CORRUPTION    显示映像复制过程中找到的损坏块。
V$BACKUP_DATAFILE    用于通过确定各数据文件中的块数来创建大小相同的备份集。通过它也可以找出数据文件中已损坏的块数。    V$BACKUP_REDOLOG    显示在备份集中存储的归档日志。
V$BACKUP_SET     显示已经创建的备份集。
V$BACKUP_PIECE    显示为备份集创建的备份片。--如何监视复制进程
使用 SET COMMAND ID 命令可将服务器会话与通道联系起来。
查询 V$PROCESS 和 V$SESSION，可以确定会话与哪些 RMAN 通道对应。
查询 V$SESSION_LONGOPS，可以监视备份和复制的进度。--linux下自动运行备份脚本
crontab格式简介
第1列分钟1～59
第2列小时1～23（0表示子夜）
第3列日1～31
第4列月1～12
第5列星期0～6（0表示星期天）
第6列要运行的命令[root@dlp ~]# vi /etc/crontabSHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
HOME=/# run-parts
01 * * * * root run-parts /etc/cron.hourly
02 4 * * * root run-parts /etc/cron.daily
22 4 * * 0 root run-parts /etc/cron.weekly
42 4 1 * * root run-parts /etc/cron.monthly
00 22 * * 0 root /dinglp/ora_managed/scripts/rman_bk_LEVEL0.sh
00 22 * * 3 root /dinglp/ora_managed/scripts/rman_bk_LEVEL1.sh
00 22 * * 1,2,4,5,6 root /dinglp/ora_managed/scripts/rman_bk_LEVEL2.sh--完毕，RYOHEI，2010-08-04。MySQL内置函数表（包括字符串函数,数学函数和日期时间函数）用RedHat Linux完成Oracle自动物理备份相关资讯 oracle

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