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对监听静态注册配置的理解


Listener.ora 配置文件 中global_dbname 可以随便配置;

SID_LIST_LISTENER =

(SID_LIST =

(SID_DESC =

(GLOBAL_DBNAME = ora11gbak)----可以自定义

(ORACLE_HOME = /u01/app/ora11/product/11.2.0/dbhome_1)

(SID_NAME = ora11g)

)

(SID_DESC =

(GLOBAL_DBNAME = lixorabak) ----可以自定义

(ORACLE_HOME = /oracle)

(SID_NAME = lixora)

)

)

LSNRCTL> status

Services Summary...

Service "PLSExtProc" has 1instance(s).

Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) forthis service...

Service "lixora" has 1instance(s).

Instance "lixora", status READY, has 1 handler(s) for thisservice... ----------动态注册

Service "lixorabak" has 1 instance(s).

Instance "lixora", status UNKNOWN, has 1 handler(s) for this service...----------静态注册

Service "ora11g" has 1instance(s).

Instance "ora11g", status READY, has 1 handler(s) for thisservice... --------------动态注册

Service "ora11gbak" has 1 instance(s).

Instance "ora11g", status UNKNOWN, has 1 handler(s) for this service... ----------静态注册

The command completed successfully

NAME TYPE VALUE

---------------------------------------------------------- ------------------------------

db_name string ora11g

db_unique_name string ora11g

global_names boolean FALSE

instance_name string ora11g

service_names string ora11g

客户端连接测试:---可以正常连接

C:\Users\hlj>sqlplus system/oracle@10.80.18.241/ora11gbak

SQL*Plus: Release 10.2.0.1.0 - Productionon 星期五 6月 19 16:56:15 2015

Copyright (c) 1982, 2005, Oracle. All rights reserved.

连接到:

Oracle Database 11g Enterprise EditionRelease 11.2.0.1.0 - 64bit Production

With the Partitioning, OLAP, Data Miningand Real Application Testing options

SQL> select * from dual;

DU

--

X

racle Net Manager Field

listener.ora File Parameter

Description

SID

SID_NAME

The Oracle system identifier (SID) of the instance. You can obtain the SID value from theINSTANCE_NAME parameter in the initialization parameter file.

Service Name

GLOBAL_DBNAME

The database service.

While processing a client connection request, the listener tries to match the value of this parameter with the value of the SERVICE_NAMEparameter in the client connect descriptor. If the client connect descriptor uses the SIDparameter, then the listener does not attempt to map the values. This parameter is primarily intended for configurations with Oracle8 databases (where dynamic service registration is not supported for dedicated servers). This parameter may also be required for use with Oracle8i and later database services by some configurations.

The value for this parameter is typically obtained from the combination of the DB_NAMEand DB_DOMAIN parameters (DB_NAME.DB_DOMAIN) in the initialization parameter file, but the value can also contain any valid name used by clients to identify the service.

缺省是从pfile 中取 DB_NAME.DB_DOMAIN ;

但是我们也可以自己取一个有意义的名字;

Oracle Home Directory

ORACLE_HOME

The Oracle home location of the instance. Without this setting, the listener assumes its Oracle home for the instance.

On Linux and UNIX, this setting is optional.

On Microsoft Windows, this setting is ignored. The Oracle home specified by theORACLE_HOME parameter inHKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\HOMEID of the Microsoft Windows registry is used.

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