oracle exp 备份脚本

#!/bin/bash
#Oracle 环境变量
NLS_LANG=AMERICAN_AMERICA.AL32UTF8
ORACLE_SID=zgw
ORACLE_BASE=/opt/oracle
ORACLE_HOME=/opt/oracle/11g
PATH=$PATH:$ORACLE_HOME/bin:$HOME/bin
export ORACLE_SID ORACLE_BASE ORACLE_HOME NLS_LANG PATH

#取时间戳
export BAKUPTIME=`date +%Y%m%d%H%M%S`
#dump生成目录
export DATA_DIR=/home/oracle/backup/dump
#压缩文件存放目录
export TAR_DIR=/home/oracle/backup/tars
mkdir -p $DATA_DIR
mkdir -p $TAR_DIR
cd $DATA_DIR         
echo "Starting bakup..."
echo "Bakup file path $DATA_DIR/SCOTT_$BAKUPTIME.dmp"
#具体备份语句
exp scott/scott file=$DATA_DIR/SCOTT_$BAKUPTIME.dmp log=$DATA_DIR/SCOTT_$BAKUPTIME.log
echo "Starting tar..."
echo "Tar file path $TAR_DIR/SCOTT_$BAKUPTIME.tar.gz"
tar -zcvf $TAR_DIR/SCOTT_$BAKUPTIME.tar.gz SCOTT*
echo "Bakup job is done!"
#删除7天前的dump文件
find  $DATA_DIR -type f -mtime +7 -exec rm -rf {} ;

任务计划设定：

#每天01:30执行自动备份，并将任务计划产生的日志信息和错误信息输出到backup.log日志中
30 01 * * * /home/oracle/scripts/backup.sh >>/home/oracle/scripts/backup.log 2>&1