#dump文件生成目录 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_DIRmkdir -p $TAR_DIR cd $DATA_DIR echo "Starting bakup..." echo "Bakup file path $DATA_DIR/scott_expdp_$BAKUPTIME.dmp"
#使用expdp时需要先指定转储文件和日志文件所在的目录,可以通过如下命令实现
#SQL>CREATE OR REPLACE DIRECTORY scott_backup as ‘/home/oracle/backup/dump‘;
#SQL>grant read,write on directory scott_backup to SCOTT;
expdp scott/scott directory=scott_backup dumpfile=scott_expdp_$BAKUPTIME.dump logfile=scott_expdp_$BAKUPTIME.log parallel=4
#parallel=4 为并行度,对于备份大数据库有助于减少备份时间,但会增加CPU负载。
echo "Starting tar..." echo "Tar file path $TAR_DIR/SCOTT_$BAKUPTIME.tar.gz" tar -zcvf $TAR_DIR/scott_expdp_$BAKUPTIME.tar.gz scott_expdp* echo "Bakup job is done!" #历史dump文件保留7天 find $DATA_DIR -type f -mtime +7 -exec rm -rf {} ;
参考:http://blog.itpub.net/235507/viewspace-704379/
oracle expdp 备份脚本
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