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expdp导出dmp到本地

news 2025/8/26 10:02:06

部署192.168.103.18 通过expdp备份132.77.64.112的数据库

1. 18机器上创建用户databackup
grant dba,connect,resource,create database link to databackup identified by databackup;

2. 18机器上创建备份目录
create directory admindata as '/home/oracle/backup/';
grant all on direcory admindata to databackup;

3. 18机器上创建dblink
conn databackup/databackup
create database link data_jxdb
connect to system identified by xxxxxx
using '(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 132.77.64.114)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SID = jxdb2)
    )
)';

验证dblink
select * from dual@data_jxdb;

4. 创建备份脚本
-------------备份脚本----/home/oracle/-----------
vi adminsdeautoexpdp.sh

DMP_FILE=LYGLGIS_`date +"%d_%H_%M_%S"`.dmp
LOG_FILE=LYGLGIS_`date +"%d_%H_%M_%S"`.log
$ORACLE_HOME/bin/expdp databackup/databackup schemas=ADMIN,SDE,YXJK,EAPJK,HOUJIANZHONG,LXDBLINK_USER,LYCX,NRMJK,OGGADM DIRECTORY=ADMINDATA network_link=data_jxdb DUMPFILE=$DMP_FILE LOGFILE=$LOG_FILE PARALLEL=4 CLUSTER=N

5. 定时任务时间：
01 07 * * * su - oracle -c /home/oracle/adminsdeautoexpdp.sh

6. 定时删除一天前的备份文件脚本内容
/usr/bin/find /home/oracle/backup/ -ctime +1 -exec rm {} \

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