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oracle动态注册参数local_listener
local_listener参数有两种书写格式，提供了不同的功能。
监听文件上，1521和1526端口上都有动态监听端口。
[oracle@dbsv admin]$ cat listener.ora
LISTENER=
(DESCRIPTION=
(ADDRESS_LIST=
(ADDRESS=(PROTOCOL=tcp)(HOST=dbsv)(PORT=1521))
(ADDRESS=(PROTOCOL=ipc)(KEY=extproc))))
SID_LIST_LISTENER=
(SID_LIST=
(SID_DESC=
(GLOBAL_DBNAME=PROD)
(ORACLE_HOME=/u01/oracle)
(SID_NAME=PROD))
(SID_DESC=
(GLOBAL_DBNAME=EMREP)
(ORACLE_HOME=/u01/oracle)
(SID_NAME=EMREP))
(SID_DESC=
(SID_NAME=plsextproc)
(ORACLE_HOME=/u01/oracle)
(PROGRAM=extproc)))
LSNR2=
(DESCRIPTION=
(ADDRESS_LIST=
(ADDRESS=(PROTOCOL=tcp)(HOST=dbsv)(PORT=1526))
(ADDRESS=(PROTOCOL=ipc)(KEY=extproc2))))[oracle@dbsv admin]$ cat tnsnames.ora
prod=
(DESCRIPTION=
(ADDRESS_LIST=
(ADDRESS=(PROTOCOL=tcp)(HOST=dbsv)(port=1521)))
(CONNECT_DATA=http://www.mamicode.com/(SERVICE_NAME=PROD)(SERVER=dedicated)))>
写法一：将数据库动态注册到单独端口的监听上alter system set local_listener='(ADDRESS=(PROTOCOL=TCP)(HOST=dbsv)(PORT=1526))';
验证：[oracle@dbsv admin]$ lsnrctl stat
LSNRCTL for Linux: Version 10.2.0.2.0 - Production on 21-JUN-2014 12:09:47
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=dbsv)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 10.2.0.2.0 - Production
Start Date 21-JUN-2014 10:42:29
Uptime 0 days 1 hr. 27 min. 17 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/oracle/network/admin/listener.ora
Listener Log File /u01/oracle/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=dbsv)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=extproc)))
Services Summary...
Service "EMREP" has 1 instance(s).
Instance "EMREP", status UNKNOWN, has 1 handler(s) for this service...
Service "PROD" has 1 instance(s).
Instance "PROD", 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@dbsv admin]$ lsnrctl stat lsnr2
LSNRCTL for Linux: Version 10.2.0.2.0 - Production on 21-JUN-2014 12:09:59
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=dbsv)(PORT=1526)))
STATUS of the LISTENER
------------------------
Alias LSNR2
Version TNSLSNR for Linux: Version 10.2.0.2.0 - Production
Start Date 21-JUN-2014 10:40:53
Uptime 0 days 1 hr. 29 min. 5 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/oracle/network/admin/listener.ora
Listener Log File /u01/oracle/network/log/lsnr2.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=dbsv)(PORT=1526)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=extproc2)))
Services Summary...
Service "PROD" has 1 instance(s).
Instance "PROD", status READY, has 1 handler(s) for this service...
Service "PROD_XPT" has 1 instance(s).
Instance "PROD", status READY, has 1 handler(s) for this service...
The command completed successfully
1521上没有动态注册的监听库（READY），1526端口上有READY
方法二：将数据库动态注册到一个或多个开通动态注册服务的监听端口上
在tnsnames.ora文件中写出network_name描述的监听信息，如上面的lsnr2
alter system set local_listener=lsnr2;
验证：[oracle@dbsv admin]$ lsnrctl stat
LSNRCTL for Linux: Version 10.2.0.2.0 - Production on 21-JUN-2014 12:13:26
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=dbsv)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 10.2.0.2.0 - Production
Start Date 21-JUN-2014 10:42:29
Uptime 0 days 1 hr. 30 min. 56 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/oracle/network/admin/listener.ora
Listener Log File /u01/oracle/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=dbsv)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=extproc)))
Services Summary...
Service "EMREP" has 1 instance(s).
Instance "EMREP", status UNKNOWN, has 1 handler(s) for this service...
Service "PROD" has 2 instance(s).
Instance "PROD", status UNKNOWN, has 1 handler(s) for this service...
Instance "PROD", status READY, has 1 handler(s) for this service...
Service "PROD_XPT" has 1 instance(s).
Instance "PROD", 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
[oracle@dbsv admin]$ lsnrctl stat lsnr2
LSNRCTL for Linux: Version 10.2.0.2.0 - Production on 21-JUN-2014 12:13:30
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=dbsv)(PORT=1526)))
STATUS of the LISTENER
------------------------
Alias LSNR2
Version TNSLSNR for Linux: Version 10.2.0.2.0 - Production
Start Date 21-JUN-2014 10:40:53
Uptime 0 days 1 hr. 32 min. 37 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/oracle/network/admin/listener.ora
Listener Log File /u01/oracle/network/log/lsnr2.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=dbsv)(PORT=1526)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=extproc2)))
Services Summary...
Service "PROD" has 1 instance(s).
Instance "PROD", status READY, has 1 handler(s) for this service...
Service "PROD_XPT" has 1 instance(s).
Instance "PROD", status READY, has 1 handler(s) for this service...
The command completed successfully
两个端口上的监听，就都有数据库的动态注册（READY）了。
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