Home Database Mysql Tutorial ORACLE自启设置与导入导出的方法

ORACLE自启设置与导入导出的方法

Jun 07, 2016 pm 04:22 PM
oracle import Export method set up

linux下系统开机oracle自启动 以root身份登录: $su - root 1、linux下oracle自带的dbstart和dbshut没反应: 修改Oracle系统配置文档/etc/oratab文档: #vi /etc/oratab /etc/oratab 格式为: SID:ORACLE_HOME:AUTO 把AUTO域配置为Y(大写),我的为: oradb:/

   linux下系统开机oracle自启动

  以root身份登录:

  $su - root

  1、linux下oracle自带的dbstart和dbshut没反应:

  修改Oracle系统配置文档/etc/oratab文档: #vi /etc/oratab

  /etc/oratab 格式为: SID:ORACLE_HOME:AUTO

  把AUTO域配置为Y(大写),我的为:

  oradb:/opt/u01/app/oracle/product/9.2.0.4:Y

  只有这样,oracle 自带的dbstart和dbshut才能够发挥作用。

  2、修改/etc/rc.d/rc.local配置文档

  在/etc/rc.d/rc.local中加入如下内容: #vi /etc/rc.d/rc.local

  su - oracle -c "/u01/app/oracle/product/9.2.0.4/bin/lsnrctl start"

  su - oracle -c "/u01/app/oracle/product/9.2.0.4/bin/dbstart start"

  3、重新启动

  #reboot

  、

  ORACLE11G 导入、导出::

  oracle11g用exp导出数据库的时候,空表是导不出来的,所以必须用数据泵导入导出oracle数据库。

  1、expdp

  SQL> create directory 目录名(如:dmpbx) as 存储地址(如:'/root/usr/……');

  目录已创建。

  SQL> grant read,write on directory 目录名 to public;

  授权成功。

  SQL> exit

  expdp 用户名1/密码@实例 dumpfile=备份文件名(ecology.dmp) directory= 目录名(dmpbx)

  2、impdp

  SQL> create directory 目录名(如:dmpbx) as 存储地址(如:'/root/usr/……');

  目录已创建。

  SQL> grant read,write on directory 目录名 to public;

  授权成功。

  SQL> exit

  impdp 用户名2/密码@实例 directory=目录名 dumpfile=备份文件名.dmp logfile=日志名.log REMAP_SCHEMA=用户名1:用户名2

  如果impdp是在同一台机器上操作的,则impdp前的创建目录和赋权的步骤都可以省略。

  注意::文件权限问题,,实例名=服务名

  chown,chmod设置

  一些ORA错误::

  ORA-00845: MEMORY_TARGET not supported on this system

  修改/dev/shm的大小可以通过修改/etc/fstab来实现:

  [root@db2 ~]# df -h /dev/shm //查看/dev/shm大小

  tmpfs 1.0G 500M 500M 50% /dev/shm

  [root@db2 ~]#vi /etc/fstab //更换/dev/shm默认大小为2G

  LABEL=/ / ext3 defaults 1 1

  LABEL=/boot /boot ext3 defaults 1 2

  #tmpfs /dev/shm tmpfs defaults 0 0

  tmpfs /dev/shm tmpfs defaults,size=2048M 0 0

  devpts /dev/pts devpts gid=5,mode=620 0 0

  sysfs /sys sysfs defaults 0 0

  proc /proc proc defaults 0 0

  LABEL=SWAP-hda3 swap swap defaults 0 0

  mount -o remount /dev/shm

  ORA-01102: cannot mount database in EXCLUSIVE mode

  /opt/oracle/ordata/orcl200

  fuser -u lk*

  fuser -k lk*

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