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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