小编给大家分享一下oracle单实例如何监听修改端口，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！

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Oracle 单一主机多个实例多个监听器配置要点  
 1. 一台服务器主机, 有多个实例, 如: TSDB/ORCL; 又需要配置多个监听器
 2. 需要指定不同的LISTENER端口  
 3.pmon只会动态注册port等于1521的监听器, 其它端口则pmon不能动态注册listener, 要想让pmon动态注册listener, 需要设置local_listener参数 

[oracle@12c01 admin]$ cat listener.ora 

ANDYCDB =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 12c01)(PORT = 1521))
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
  )

ANDYCDB_TEST =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 12c01)(PORT = 1522))
    )
  )

[oracle@12c01 admin]$ cat tnsnames.ora 
# tnsnames.ora Network Configuration File: /home/oracle/app/oracle/product/12.2.0/dbhome_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

ANDYCDB =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 12c01)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = andycdb)
    )
  )


LISTENER_ANDYCDB =
  (ADDRESS = (PROTOCOL = TCP)(HOST = 12c01)(PORT = 1521))

PDB01 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 12c01)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = pdb01)
    )
  )

LISTENER_PDB01 =
  (ADDRESS = (PROTOCOL = TCP)(HOST = 12c01)(PORT = 1521)

LISTENER_TEST =  
(DESCRIPTION =  
(ADDRESS = (PROTOCOL = TCP)(HOST = 12c01)(PORT = 1522))  
) 

#################
lsnrctl操作：
LSNRCTL>  set current_listener ANDYCDB_TEST
Current Listener is ANDYCDB_TEST

LSNRCTL> start
Starting /home/oracle/app/oracle/product/12.2.0/dbhome_1/bin/tnslsnr: please wait...


TNSLSNR for Linux: Version 12.2.0.1.0 - Production
System parameter file is /home/oracle/app/oracle/product/12.2.0/dbhome_1/network/admin/listener.ora
Log messages written to /home/oracle/app/oracle/diag/tnslsnr/12c01/andycdb_test/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=12c01)(PORT=1522)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=12c01)(PORT=1522)))
STATUS of the LISTENER
------------------------
Alias                     ANDYCDB_TEST
Version                   TNSLSNR for Linux: Version 12.2.0.1.0 - Production
Start Date                10-APR-2018 21:59:17
Uptime                    0 days 0 hr. 0 min. 0 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /home/oracle/app/oracle/product/12.2.0/dbhome_1/network/admin/listener.ora
Listener Log File         /home/oracle/app/oracle/diag/tnslsnr/12c01/andycdb_test/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=12c01)(PORT=1522)))
The listener supports no services

The command completed successfully

LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=12c01)(PORT=1522)))
STATUS of the LISTENER
------------------------
Alias                     ANDYCDB_TEST
Version                   TNSLSNR for Linux: Version 12.2.0.1.0 - Production
Start Date                10-APR-2018 21:59:17
Uptime                    0 days 0 hr. 1 min. 26 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /home/oracle/app/oracle/product/12.2.0/dbhome_1/network/admin/listener.ora
Listener Log File         /home/oracle/app/oracle/diag/tnslsnr/12c01/andycdb_test/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=12c01)(PORT=1522)))
The listener supports no services
The command completed successfully

-- 设置一个监听端口
SQL> alter system set local_listener='(ADDRESS = (PROTOCOL = TCP)(HOST = 12c01)(PORT = 1522))';
System altered.

[oracle@12c01 admin]$ lsnrctl status andycdb_test

LSNRCTL for Linux: Version 12.2.0.1.0 - Production on 10-APR-2018 22:38:32

Copyright (c) 1991, 2016, Oracle.  All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=12c01)(PORT=1522)))
STATUS of the LISTENER
------------------------
Alias                     ANDYCDB_TEST
Version                   TNSLSNR for Linux: Version 12.2.0.1.0 - Production
Start Date                10-APR-2018 21:59:17
Uptime                    0 days 0 hr. 39 min. 16 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /home/oracle/app/oracle/product/12.2.0/dbhome_1/network/admin/listener.ora
Listener Log File         /home/oracle/app/oracle/diag/tnslsnr/12c01/andycdb_test/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=12c01)(PORT=1522)))
Services Summary...
Service "4f44590eb7b74390e0531018db0a1976" has 1 instance(s).
  Instance "andycdb", status READY, has 1 handler(s) for this service...
Service "andycdb" has 1 instance(s).
  Instance "andycdb", status READY, has 1 handler(s) for this service...
Service "andycdbXDB" has 1 instance(s).
  Instance "andycdb", status READY, has 1 handler(s) for this service...
Service "pdb01" has 1 instance(s).
  Instance "andycdb", status READY, has 1 handler(s) for this service...
The command completed successfully

-- 设置多个监听端口
SQL> alter system set local_listener='(ADDRESS = (PROTOCOL = TCP)(HOST = 12c01)(PORT = 1522)),(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=12c01)(PORT=1521)))';
System altered.

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