第一步先做一个备份
#!/bin/sh export ORACLE_BASE=/home/oracle/app export ORACLE_HOME=$ORACLE_BASE/oracle/product/11.2.0/dbhome_1 export ORACLE_SID=orcl export LD_LIBRARY_PATH=$ORACLE_HOME/bin:$PATH:$HOME/bin //注意是冒号 rq=`date '+%Y%M%D%H%M'` /home/oracle/app/oracle/product/11.2.0/dbhome_1/bin/exp oracle/oracle@orcl12 owner=oracle file=/home/oracle/backup/oracleBack_$rq.dmp log=/home/oracle/backup/oracleBack_$rq.log //压缩文件名 ordatabak=oracleBack_$rq.tar.gz dmpbak=oracleBack_$rq.dmp logbak=oracleBack_$rq.log days=7 cd /home/oracle/backup tar -zcvf $ordatabak $dmpbak $logbak find "/home/oracle/backup" -type f -name "*.dmp" -exec rm {} ; find "/home/oracle/backup" -type f -name "*.log" -exec rm {} ; find "/home/oracle/backup" -type f -name "*.tar.gz" -mtime +$days -exec rm -rf {} ; //这里需要注意 {} ;之间有空格 -mtime +$days之间有空格