首先建立备份日期，备份目录，再次使用oracle的exp命令就行备份，备份的list存在里脚本的当前目录下。备份完成后会通过ssh远程scp到固定机器上。备份成功和失败都会发邮件提醒用户。可以将该脚本放到crontab列表里。根据数据库的不同建立不同的list即可。

1.[代码]oracle中exp备份脚本

#!/bin/bash

#function: to execute the oracle built-in cmd

#version 1

PATH=$PATH:$HOME/bin

export PATH

export ORACLE_UNQNAME=DB4QIGOU

export ORACLE_SID=db4qigou

export ORACLE_OWNER=oracle

export ORACLE_BASE=/u01/app/oracle

export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db_1

export ORACLE_SID ORACLE_BASE ORACLE_HOME

export ORA_NLS10=$ORACLE_HOME/nls/data

PATH=$PATH:/$ORACLE_HOME/bin:$HOME/bin

export PATH

LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib:/usr/local/lib

export LD_LIBRARY_PATH

CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib

CLASSPATH=$CLASSPATH:$ORACLE_HOME/network/jlib

export CLASSPATH

echo "please run this script on cautiously!!!If you forget sth ,or want to abort the script,now ctrl+c will be abort,if you run it bg,you must now how to abort it."

sleep 10;

echo "now begining"

backupdate=`date +%Y%m%d`

mkdir -p $backupdate

if [[ -d $backupdate ]]&& [[ -f /home/oracle/db_list ]]

then

cd $backupdate

cp /home/oracle/db_list .

else

exit

fi

echo "begining exporting....."

#for db_name in db_list

for db_name in `cat db_list`

do

exp $db_name/123 OWNER=$db_name FILE=$backupdate$db_name.emp

if [ $? -eq 0 ]

then

echo "you succeed backup the database"

else

#or >

echo "you failed backup,you must rerun the script. backup failed"|tee -a error.message

mail -s 16_oracle_bak jinwei.bian@qeegoo.com

exit 12

fi

done

#use scp with no password，you must use ssh-key to generate the key

scp -pv /home/oracle/$backupdate/*.emp root@192.168.11.21:/data/16_ora_backup/

echo -e "backup finished in $backupdate ." >finished.message

mail -s 16_oracle_bak jinwei.bian@qeegoo.com

exit 0