手动配置监听

一、手动配置监听
1、查看当前系统参数信息
[oracle@OL541 admin]$ hostname
OL541.localdomain
[oracle@OL541 admin]$ echo $ORACLE_HOME
/u01/app/oracle/product/11.2.0/db_1
SYS@orcl>show parameter name

NAME                                 TYPE               VALUE
------------------ ----------- ----------
db_name                      string          orcl
db_unique_name               string             orcl
global_names                 boolean      FALSE
instance_name                 string             orcl
service_names                 string             orcl


cd $ORACLE_HOME/network/admin
[oracle@OL541 admin]$ cd /u01/app/oracle/product/11.2.0/db_1/network/admin/

[oracle@OL541 admin]$ ll
total 16
drwxr-xr-x 2 oracle oinstall 4096 Feb  3 14:47 samples
-rw-r--r-- 1 oracle oinstall  205 May 11  2011 shrept.lst

2、创建默认监听

[oracle@OL541 admin]$ vi listener.ora

LISTENER=
  (DESCRIPTION=
    (ADDRESS_LIST=
      (ADDRESS=(PROTOCOL=tcp)(HOST=OL541.localdomain)(PORT=1521))
      (ADDRESS=(PROTOCOL=ipc)(KEY=extproc))))
SID_LIST_LISTENER=
  (SID_LIST=
    (SID_DESC=
      (GLOBAL_DBNAME=orcl)
      (ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1)
      (SID_NAME=orcl))
    (SID_DESC=
      (SID_NAME=plsextproc)
      (ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1)
      (PROGRAM=extproc)))

启动监听

[oracle@OL541 ~]$ lsnrctl start

LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 06-FEB-2015 10:49:59

Copyright (c) 1991, 2011, Oracle.  All rights reserved.

Starting /u01/app/oracle/product/11.2.0/db_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 11.2.0.3.0 - Production
System parameter file is /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/OL541/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=OL541.localdomain)(PORT=1521)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=extproc)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=OL541.localdomain)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.3.0 - Production
Start Date                06-FEB-2015 10:49:59
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/11.2.0/db_1/network/admin/listener.ora
Listener Log File         /u01/app/oracle/diag/tnslsnr/OL541/listener/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=OL541.localdomain)(PORT=1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=extproc)))
Services Summary...
Service "orcl" has 1 instance(s).
  Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
Service "plsextproc" has 1 instance(s).
  Instance "plsextproc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
[oracle@OL541 ~]$


3、创建一个非默认监听，监听名为lsnr2，端口号为1621，key为extproc1；
listener.ora中添加内容：

LSNR2=
  (DESCRIPTION=
    (ADDRESS_LIST=
      (ADDRESS=(PROTOCOL=tcp)(HOST=OL541.localdomain)(PORT=1621))
      (ADDRESS=(PROTOCOL=ipc)(KEY=extproc1))))
      

将orcl实例注册到监听lsnr2中；
SYS@orcl>show parameter local

NAME                     TYPE     VALUE
------------------------------------ ----------- ------------------------------
local_listener                 string
    
      
SQL>alter system set local_listener='(ADDRESS = (PROTOCOL=TCP)(HOST=OL541.localdomain)(PORT=1621))';     
      
启动lsnr2
[oracle@OL541 ~]$ lsnrctl start lsnr2
[oracle@OL541 ~]$ lsnrctl status
如看lsnr2服务oracle进程，则需要在系统中重新注册一下
sql》alter system register;
      
      
4、启动关闭监听

启动默认监听：
lsnrctl start
启动lsnr2
lsnrctl start lsnr2

停止默认监听：
lsnrctl stop
停止lsnr2
lsnrctl stop lsnr2

查看监听状态
lsnrctl status
lsnrctl status lsnr2

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