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[经验分享] ORACLE配置动态和静态监听服务

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发表于 2015-12-19 14:43:07 | 显示全部楼层 |阅读模式
  ORACLE配置动态和静态监听服务
  
  部分参考:http://blog.sina.com.cn/s/blog_67be3b4501019s01.html
  
  
  一、动态监听服务
  oracle spfile中有这两个参数:service_names,local_listener;
  service_names参数默认值是数据库sid,当添加其他值时,pmon进程将自动每分钟在listener中注册此服务;如local_listener未设置,则pmon进程只向默认的1521端口进行监听的注册;如local_listener设置了指定端口,则pmon将在指定端口上进行服务名监听注册。
  没有配置listener.ora文件时,动态监听服务会自动注册service_names中的服务名到local_listener指定的端口上;
  
  
  1、设置参数,添加service_names
  SYSTEM@1621>show parameter service;
  
  NAME                     TYPE     VALUE
  ------------------------------------ ----------- ------------------------------
  service_names                 string     orcl
  
  SYSTEM@1621>alter system set service_names='orcl,oral';
  
  SYSTEM@1621oral>show parameter service
  NAME                     TYPE     VALUE
  ------------------------------------ ----------- ------------------------------
  service_names                 string     orcl,oral
  
  SYS@orcl>show parameter local    
  
  NAME                     TYPE     VALUE
  ------------------------------------ ----------- ------------------------------
  local_listener                 string
  
  
  
  2、配置tnsnames连接串
  [oracle@OL541 admin]$ vi tnsnames.ora
  
  1521orcl =
  (DESCRIPTION =
  (ADDRESS_LIST =
  (ADDRESS = (PROTOCOL = tcp)(HOST =OL541.localdomain)(PORT = 1521))
  )
  (CONNECT_DATA =
  (SERVICE_NAME = orcl)
  )
  )
  
  1521oral =
  (DESCRIPTION =
  (ADDRESS_LIST =
  (ADDRESS = (PROTOCOL = tcp)(HOST =OL541.localdomain)(PORT = 1521))
  )
  (CONNECT_DATA =
  (SERVICE_NAME = oral)
  )
  )
  
  1621oral =
  (DESCRIPTION =
  (ADDRESS_LIST =
  (ADDRESS = (PROTOCOL = tcp)(HOST =OL541.localdomain)(PORT = 1621))
  )
  (CONNECT_DATA =
  (SERVICE_NAME = oral)
  )  
  )
  
  1621orcl =
  (DESCRIPTION =
  (ADDRESS_LIST =
  (ADDRESS = (PROTOCOL = tcp)(HOST =OL541.localdomain)(PORT = 1621))
  )
  (CONNECT_DATA =
  (SERVICE_NAME = orcl)
  )  
  )
  
  1621orbl =
  (DESCRIPTION =
  (ADDRESS_LIST =
  (ADDRESS = (PROTOCOL = tcp)(HOST =OL541.localdomain)(PORT = 1621))
  )
  (CONNECT_DATA =
  (SERVICE_NAME = orbl)
  
  
  3、配置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)))
  
  LISTENER2=
  (DESCRIPTION=
  (ADDRESS_LIST=
  (ADDRESS=(PROTOCOL=tcp)(HOST=OL541.localdomain)(PORT=1621))
  (ADDRESS=(PROTOCOL=ipc)(KEY=extproc1))))
  
  
  4、测试:
  当local_listener没有设置参数时,1521orcl和1521oral测试连接有效;
  
  5、设置local_listener参数
  
  SQL>alter system set local_listener='(ADDRESS = (PROTOCOL=TCP)(HOST=OL541.localdomain)(PORT=1621))';   
  SYSTEM@1621oral>show parameter local
  NAME                     TYPE     VALUE
  ------------------------------------ ----------- ------------------------------
  local_listener                 string     (ADDRESS = (PROTOCOL=TCP)(HOST=OL541.localdomain)(PORT=1621)
  
  
  6、测试
  查看监听状态
  
  [oracle@OL541 ~]$ lsnrctl status listener2
  
  LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 06-FEB-2015 15:13:28
  
  Copyright (c) 1991, 2011, Oracle.  All rights reserved.
  
  Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=OL541.localdomain)(PORT=1621)))
  STATUS of the LISTENER
  ------------------------
  Alias                     listener2
  Version                   TNSLSNR for Linux: Version 11.2.0.3.0 - Production
  Start Date                06-FEB-2015 15:10:26
  Uptime                    0 days 0 hr. 3 min. 1 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/listener2/alert/log.xml
  Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=OL541.localdomain)(PORT=1621)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=extproc1)))
  Services Summary...
  Service "oral" has 1 instance(s).
  Instance "orcl", status READY, has 1 handler(s) for this service...
  Service "orcl" has 1 instance(s).
  Instance "orcl", status READY, has 1 handler(s) for this service...
  The command completed successfully
  
  连接测试:
  1521orcl,1621orcl,1621oral都可以连接,只有1521oral不能连接;
  
  
  
  
  二、静态注册
  
  1、在listener.ora中配置监听
  
  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)))
  
  LISTENER2=
  (DESCRIPTION=
  (ADDRESS_LIST=
  (ADDRESS=(PROTOCOL=tcp)(HOST=OL541.localdomain)(PORT=1621))
  (ADDRESS=(PROTOCOL=ipc)(KEY=extproc1))))
  
  SID_LIST_LISTENER2=
  (SID_LIST=
  (SID_DESC=
  (GLOBAL_DBNAME=orbl)
  (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)))
  
  
  2、tnsnames.ora文件配置还用上面的;
  
  3、将local_listener设置为listener2的值;
  alter system set local_listener='(ADDRESS = (PROTOCOL=TCP)(HOST=OL541.localdomain)(PORT=1621))';   
  
  4、监听状态
  
  LSNRCTL> status listener
  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 15:31:18
  Uptime                    0 days 0 hr. 15 min. 1 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
  LSNRCTL>
  LSNRCTL> status listener2
  Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=OL541.localdomain)(PORT=1621)))
  STATUS of the LISTENER
  ------------------------
  Alias                     listener2
  Version                   TNSLSNR for Linux: Version 11.2.0.3.0 - Production
  Start Date                06-FEB-2015 15:26:32
  Uptime                    0 days 0 hr. 20 min. 5 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/listener2/alert/log.xml
  Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=OL541.localdomain)(PORT=1621)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=extproc1)))
  Services Summary...
  Service "oral" has 1 instance(s).
  Instance "orcl", status READY, has 1 handler(s) for this service...
  Service "orbl" has 1 instance(s).
  Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
  Service "orcl" has 1 instance(s).
  Instance "orcl", status READY, 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
  
  5、测试
  SYSTEM@1621orbl>conn system/oracle@1621oral
  Connected.
  SYSTEM@1621oral>conn system/oracle@1621orbl
  Connected.
  SYSTEM@1621orbl>conn system/oracle@1621orcl
  Connected.
  SYSTEM@1621orcl>conn system/oracle@1521orcl
  Connected.
  SYSTEM@1521orcl>conn system/oracle@1521oral
  ERROR:
  ORA-12514: TNS:listener does not currently know of service requested in connect
  descriptor
  
  
  
  
  三、总结:
  1、在监听状态中,动态监听的状态是status READY,静态监听的状态是status UNKNOWN;
  2、动态监听是PMON进程根据service_names参数的值动态注册的,不需要进行手工干预,但是有一定的延迟,在监听启动的之后不会立即生效,对service_names的修改可以稍有延迟的生效,不需要重新启动监听程序。如想加快注册,可执行SQL>alter system regiester;
  3、静态监听不同,在listener.ora文件中的配置,会随着监听的启动而随时启动,但是实时的对listener.ora文件的更改不会立即生效,需要重启监听或使用lsnrctl的reload命令;
  4、动态监听根据local_listener参数设置的端口来注册服务;静态监听根据listener文件中设置的端口来注册;
  
  

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