linux下设置自动启动和关闭oracle实例、监听

 

linux下设置自动启动和关闭oracle实例、监听

1.设置/etc/oratab   vi /etc/oratab 

testdb2:/opt/oracle/product/9.2.0:Y

要把最后一个选项从N改为Y

2.测试dbstart和dbshut命令

dbstart和dbshut会检查/etc/oratab的设置,如果设置为Y,则执行启动或关闭,如果设置成N,则不做任何操作

测试方法:su - oracle

         dbstart or dbshut

我在测试过程中,报错,意思是找不到init文件,进入sqlplus创建一个init文件即可:

        sqlplus /nolog

         conn /as sysdba

        create pfile from spfile;

再次测试则成功

3.创建操作系统启动和关闭时调用的文件

3.1)修改/etc/rc.d/init.d/oracle文件

              su - root

要在开机关机时自动启动和关闭数据库的话,需要修改 Linux 的启动脚本文件,这里要创建/etc/rc.d/init.d/oracle文件,这个文件的脚本会调用 dbshut 及 dbstart,内容如下:

# !/bin/sh

#

# /etc/rc.d/init.d/oracle

# 解说∶启动及停止 Oracle 数据库和监听程序

# 检查如何执行脚本文件

case "$1" in

  start)

        echo -n "Starting Oracle Databases: "

        echo "----------------------------------------------------" >> /var/log/oracle

        date +"! %T %a %D : Starting Oracle Databases as part of system up." >> /var/log/oracle

        echo "----------------------------------------------------" >> /var/log/oracle

        su - oracle -c dbstart >> /var/log/oracle

        echo "Done."

        echo -n "Starting Oracle Listeners: "

        su - oracle -c "lsnrctl start" >> /var/log/oracle

        echo "Done."

        echo ""

        echo "----------------------------------------------------" >> /var/log/oracle

        date +"! %T %a %D : Finished." >> /var/log/oracle

        echo "----------------------------------------------------" >> /var/log/oracle

        touch /var/lock/subsys/oracle

        ;;

  stop)

        echo -n "Shutting Down Oracle Listeners: "

        echo "----------------------------------------------------" >> /var/log/oracle

        date +"! %T %a %D : Shutting Down Oracle Databases as part of system down." >> /var/log/oracle

        echo "----------------------------------------------------" >> /var/log/oracle

        su - oracle -c "lsnrctl stop" >> /var/log/oracle

        echo "Done."

        rm -f /var/lock/subsys/oracle

        echo -n "Shutting Down Oracle Databases: "

        su - oracle -c dbshut >> /var/log/oracle

        echo "Done."

        echo ""

        echo "----------------------------------------------------" >> /var/log/oracle

        date +"! %T %a %D : Finished." >> /var/log/oracle

        echo "----------------------------------------------------" >> /var/log/oracle

        ;;

  restart)

        echo -n "Restarting Oracle Databases: "

        echo "----------------------------------------------------" >> /var/log/oracle

        date +"! %T %a %D : Restarting Oracle Databases as part of system up." >> /var/log/oracle

        echo "----------------------------------------------------" >> /var/log/oracle

        su - oracle -c dbshut >> /var/log/oracle

        su - oracle -c dbstart >> /var/log/oracle

        echo "Done."

        echo -n "Restarting Oracle Listeners: "

        su - oracle -c "lsnrctl stop" >> /var/log/oracle

        su - oracle -c "lsnrctl start" >> /var/log/oracle

        echo "Done."

        echo ""

        echo "----------------------------------------------------" >> /var/log/oracle

        date +"! %T %a %D : Finished." >> /var/log/oracle

        echo "----------------------------------------------------" >> /var/log/oracle

        touch /var/lock/subsys/oracle

        ;;

  *)

        echo "Usage: oracle {start|stop|restart}"

        exit 1

esac

编辑完这个文件后,要将其改为可执行

chmod +x oracle

chmod 777 oracle

然后测试一下,保证该脚本可以正常执行

cd /etc/rc.d/init.d

./oracle start

./oracle stop

./oracle restart

 

3.2)在相应的runlevel目录里建立符号连接

要在正确的执行等级目录 (runlevel ctories) /etc/rc.d/rcX.d 中建立及删除符号连结 (symbolic links)。

 

以下指令确保在执行等级 2, 3 及 5 下会启动数据库,级别4没有使用,所以不管。∶

  ln -s /etc/rc.d/init.d/oracle /etc/rc.d/rc2.d/S99oracle
  ln -s /etc/rc.d/init.d/oracle /etc/rc.d/rc3.d/S99oracle
  ln -s /etc/rc.d/init.d/oracle /etc/rc.d/rc5.d/S99oracle

要在重新启动时停止数据库,我们需要以下连结∶

  ln -s /etc/rc.d/init.d/oracle /etc/rc.d/rc0.d/K01oracle
  ln -s /etc/rc.d/init.d/oracle /etc/rc.d/rc6.d/K01oracle

3.2)修改dbshut文件

因为dbshut命令默认是用shutdown normal方式关闭数据库,但实际情况下这种方式很难关掉数据库,因此需要更改dbshut脚本,将其中的shutdown命令改为 shutdown immediate

su - oracle

cd $ORACLE_HOME/bin

vi dbshut

按shift+:  输入 /shuwdown 查找 将其替换为shutdown immediate;保存退出 OK

 

 

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