Oracle监听器Server端与Client端配置实例

Listener.ora、tnsnames.ora这两个文件常常因为格式问题而不好用,我平时都是配置好了留个备份,以后都是拷贝过去改改就好了!嘿嘿~~~

    因为平时使用linux的时候较多,所以有时还会遇到sqlnet.ora这个文件有问题,直接给它删了就好了~~

    有时在windows下装的oracle的listener服务就启动不了,遇到这种情况,直接去oracle的bin目录下面找到lsnrctl.exe那个文件,直接给它运行,弹出来的窗口不要关闭,就可以了。

    Oracle Server端Listener.ora文件(一个instance):

    LISTENER =
      (DESCRIPTION_LIST =
        (DESCRIPTION =
          (ADDRESS_LIST =
            (ADDRESS = (PROTOCOL=TCP)(HOST=hostname)(PORT=1521))    //主机名或IP及端口设置
          )
        )
      )

    SID_LIST_LISTENER =
      (SID_LIST =
        (SID_DESC =
          (SID_NAME = database1)             // database1为数据库instance名
          (ORACLE_HOME = /opt/oracle/product/10.1.0)                   //oracle安装目录,根据安装情况更改
          (PROGRAM = extproc)
        )
      )

    Oracle Server端Listener.ora文件(两个instance):
    LISTENER =
      (DESCRIPTION_LIST =
        (DESCRIPTION =
          (ADDRESS_LIST =
            (ADDRESS = (PROTOCOL=TCP)(HOST=hostname)(PORT=1521))
          )
        )
      )
    SID_LIST_LISTENER =
      (SID_LIST =
        (SID_DESC =
          (SID_NAME = database1)             // database1为数据库instance1名
          (ORACLE_HOME = /opt/oracle/product/10.1.0)
          (PROGRAM = extproc)
        )
        (SID_DESC =
          (SID_NAME = database2)             // database2为数据库instance2名
          (ORACLE_HOME = /opt/oracle/product/10.1.0)
          (PROGRAM = extproc)
        )
      )

    Oracle Server端监听器启动、停止、查看状态命令:

    $ lsnrctl start

    $ lsnrctl stop

    $ lsnrctl status

    Oracle Client端Tnsnames.ora文件:

    ORALOCAL =                                                            //别名oralocal
      (DESCRIPTION =
        (ADDRESS_LIST =
          (ADDRESS = (PROTOCOL = TCP)(HOST = hostname)(PORT = 1521))
        )
        (CONNECT_DATA =
          (SERVICE_NAME = database1)             //database1为SID名
        )
    )

    Oracle Client端检查监听器连接状态用命令:

    $ tnsping 别名

    例如:用oracle用户执行命令  $ tnsping oralocal

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