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