rman备份与脚本

1. 建立rman表空间

SQL> create tablespace rman  logging datafile '/u01/app/oracle/oradata/TBDB/rman.dbf'  size 1024M  extent management local segment space  management auto;

 

2.创建rman备份账号

create user rman identified by rman default  tablespace rman; grant connect,resource to rman; grant recovery_catalog_owner to rman; grant unlimited tablespace to rman; grant sysdba to rman;

3.建立catalog数据库及注册数据库

rman catalog rman/rman RMAN> create catalog tablespace  "RMAN"; RMAN> exit

  

  注: 需启动连接器，node222 为客户端连接服务器的标识符

rman target sys/oracle@node222 catalog rman/rman@node222 connected to target database: NODE222 (DBID=3694045568) connected to recovery catalog database RMAN> register database; database registered in recovery catalog starting full resync of recovery catalog full resync complete

4.rman环境设置

   1) 设置保留30天的备份信息

   2）启用控制文件自动备份及备份存放位置配置

RMAN> configure retention policy to  recovery window of 30 days; RMAN> configure controlfile autobackup  on;

5.查看配置信息

RMAN>show all;

6.备份策略

  每日00：00进行一次全库备份 系统自动清除30天以前的备份信息

 

7. 创建备份必要目录(以oracle身份创建)

mkdir /u01/app/oracle/backup cd /u01/app/oracle/backup mkdir controlfileback 存放备份的控制文件 mkdir dbback        存放备份的数据文件 mkdir log           存放备份生成的日志，坚持该日志查看备份是否成功 mkdir logback       存放归档日志文件

 

8. 备份脚本 cat /u01/app/oracle/backup/script/dbback.sh

#!/bin/bash #this is rman auto full backup script # Copyright by terrytsang   ORACLE_HOME=/u01/app/oracle/product/11.2.0/db1 NLS_LANG=AMERICAN_AMERICA.AL32UTF8 LD_LIBRARY_PATH=$ORACLE_HOME/lib ORACLE_BASE=/u01/app/oracle ORACLE_SID=TBDB export ORACLE_HOME  LD_LIBRARY_PATH NLS_LANG ORACLE_BASE  ORACLE_SID     backtime=`date +"20%y%m%d%H%M%S"`  cd $ORACLE_HOME/bin rman target / catalog rman/rman log=/u01/app/oracle/backup/log/backupall_$backtime.log  <<EOF run{    allocate channel c1 device type disk;    allocate channel c2 device type disk;    allocate channel c3 device type disk;    allocate channel c4 device type disk;    allocate channel c5 device type disk;    crosscheck backup;      sql 'alter system archive log current';      backup database format '/u01/app/oracle/backup/dbback/db_%d_%T_%U';    sql 'alter system archive log current';      backup archivelog all format '/u01/app/oracle/backup/logback/arc_%t_%s'  delete all input;       backup current controlfile format '/u01/app/oracle/backup/controlfileback/cntrl_%s_%p_%s';     crosscheck archivelog all;     delete  noprompt expired backup;   delete  noprompt obsolete;   delete  noprompt backup of database completed before 'sysdate - 30';   release  channel c1;    release channel c2;    release channel c3;    release channel c4;    release channel c5; } EOF echo "backup complete!"

9. 定义备份时间间隔

crontab 0 0 * * * /u01/app/oracle/backup/script/dbback.sh  2>&1 >/dev/null