Oracle一个实例配置多个listener或多个端口

一个oracle实例对于多个监听，一个监听对于多个端口。现在我们可以创建一个oracle实例一个监听的两个端口。这一共有两种方法：

oracle一个实例配置多个listener或多个端口

listener.ora文件的内容如下:

SID_LIST_LISTENER =

  (SID_LIST =

    (SID_DESC =

      (SID_NAME = PLSExtProc)

      (ORACLE_HOME = /u01/app/oracle/product/10.2.0/db)

      (PROGRAM = extproc)

    )

    (SID_DESC =

      (GLOBAL_DBNAME = jingyong)

      (ORACLE_HOME =/u01/app/oracle/product/10.2.0/db)

      (SID_NAME = jingyong)

    )

  )

LISTENER =

  (DESCRIPTION_LIST =

    (DESCRIPTION =

      (ADDRESS = (PROTOCOL = TCP)(HOST = jingyong)(PORT = 1521))

    )

  )

上面的配置只配置了一个listener

下面再增加一个listener_2

SID_LIST_LISTENER_2 =

  (SID_LIST =

    (SID_DESC =

      (SID_NAME = PLSExtProc)

      (ORACLE_HOME = /u01/app/oracle/product/10.2.0/db)

      (PROGRAM = extproc)

    )

    (SID_DESC =

      (GLOBAL_DBNAME = jingyong)

      (ORACLE_HOME =/u01/app/oracle/product/10.2.0/db)

      (SID_NAME = jingyong)

    )

  )

LISTENER_2 =

  (DESCRIPTION_LIST =

    (DESCRIPTION =

      (ADDRESS = (PROTOCOL = TCP)(HOST = jingyong)(PORT = 1522))

    )

  )

SID_LIST_ 这里的要和LISTENER名称一致。

SID_DESC则注册要提供服务的数据库实例名。这样LISTENER2 才能够提供服务。

再来启动两个listener

[oracle@jingyong udump]$ lsnrctl stop listener

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 13-JAN-2013 18:06:21

Copyright (c) 1991, 2005, Oracle.  All rights reserved.

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Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=jingyong)(PORT=1521)))

The command completed successfully

[oracle@jingyong udump]$ lsnrctl start listener_2

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 13-JAN-2013 18:06:37

Copyright (c) 1991, 2005, Oracle.  All rights reserved.

Starting /u01/app/oracle/product/10.2.0/db/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 10.2.0.1.0 - Production

System parameter file is /u01/app/oracle/product/10.2.0/db/network/admin/listener.ora

Log messages written to /u01/app/oracle/product/10.2.0/db/network/log/listener_2.log

Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=jingyong)(PORT=1522)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=jingyong)(PORT=1522)))

STATUS of the LISTENER

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

Alias                    listener_2

Version                  TNSLSNR for Linux: Version 10.2.0.1.0 - Production

Start Date                13-JAN-2013 18:06:37

Uptime                    0 days 0 hr. 0 min. 0 sec

Trace Level              off

Security                  ON: Local OS Authentication

SNMP                      OFF

Listener Parameter File  /u01/app/oracle/product/10.2.0/db/network/admin/listener.ora

Listener Log File        /u01/app/oracle/product/10.2.0/db/network/log/listener_2.log

Listening Endpoints Summary...

  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=jingyong)(PORT=1522)))

Services Summary...

Service "PLSExtProc" has 1 instance(s).

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

Service "jingyong" has 1 instance(s).

  Instance "jingyong", status UNKNOWN, has 1 handler(s) for this service...

The command completed successfully

[oracle@jingyong udump]$ lsnrctl start listener

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 13-JAN-2013 18:06:41

Copyright (c) 1991, 2005, Oracle.  All rights reserved.

Starting /u01/app/oracle/product/10.2.0/db/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 10.2.0.1.0 - Production

System parameter file is /u01/app/oracle/product/10.2.0/db/network/admin/listener.ora

Log messages written to /u01/app/oracle/product/10.2.0/db/network/log/listener.log

Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=jingyong)(PORT=1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=jingyong)(PORT=1521)))

STATUS of the LISTENER

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

Alias                    listener

Version                  TNSLSNR for Linux: Version 10.2.0.1.0 - Production

Start Date                13-JAN-2013 18:06:41

Uptime                    0 days 0 hr. 0 min. 0 sec

Trace Level              off

Security                  ON: Local OS Authentication

SNMP                      OFF

Listener Parameter File  /u01/app/oracle/product/10.2.0/db/network/admin/listener.ora

Listener Log File        /u01/app/oracle/product/10.2.0/db/network/log/listener.log

Listening Endpoints Summary...

  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=jingyong)(PORT=1521)))

Services Summary...

Service "PLSExtProc" has 1 instance(s).

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

Service "jingyong" has 1 instance(s).

  Instance "jingyong", status UNKNOWN, has 1 handler(s) for this service...

The command completed successfully