Listener的动态注册与service_name
动态注册是由数据库的pmon进程完成的，如果实例启动时，没有启动listener，那么pmon就无法立即进行service的注册，而是在一定的时间间隔后再次进行注册。
重启监听后要重新register:
alter system register;
修改service_names:
alter system set service_name='TESTDB,LGX' scope=both;
静态注册的监听的状态是UNKNOWN,动态注册的监听服务中READY
[oracle@node1 ~]$ cat /opt/ora10g/product/10.2.0/db_1/network/admin/listener.ora
# listener.ora Network Configuration File: /opt/ora10g/product/10.2.0/db_1/network/admin/listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = /opt/ora10g/product/10.2.0/db_1)
(PROGRAM = extproc)
)
)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
)
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = node1)(PORT = 1521))
)
)
[oracle@node1 ~]$
+++启动监听(没有监听SID)
[oracle@node1 ~]$ lsnrctl start
LSNRCTL for Linux: Version 10.2.0.4.0 - Production on 29-AUG-2010 06:42:00
Copyright (c) 1991, 2007, Oracle. All rights reserved.
Starting /opt/ora10g/product/10.2.0/db_1/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 10.2.0.4.0 - Production
System parameter file is /opt/ora10g/product/10.2.0/db_1/network/admin/listener.ora
Log messages written to /opt/ora10g/product/10.2.0/db_1/network/log/listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC0)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=node1)(PORT=1521)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC0)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 10.2.0.4.0 - Production
Start Date 29-AUG-2010 06:42:00
Uptime 0 days 0 hr. 0 min. 0 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /opt/ora10g/product/10.2.0/db_1/network/admin/listener.ora
Listener Log File /opt/ora10g/product/10.2.0/db_1/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC0)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=node1)(PORT=1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
+++启动监听后，对service_names进行注册
[oracle@node1 ~]$ sqlplus /nolog
SQL*Plus: Release 10.2.0.4.0 - Production on Sun Aug 29 06:42:04 2010
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
SQL> conn /as sysdba
Connected.
SQL> show parameter names
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
global_names boolean TRUE
service_names string TESTDB
SQL> alter system register;
System altered.
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@node1 ~]$ lsnrctl status
LSNRCTL for Linux: Version 10.2.0.4.0 - Production on 29-AUG-2010 06:42:17
Copyright (c) 1991, 2007, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC0)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 10.2.0.4.0 - Production
Start Date 29-AUG-2010 06:42:00
Uptime 0 days 0 hr. 0 min. 16 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /opt/ora10g/product/10.2.0/db_1/network/admin/listener.ora
Listener Log File /opt/ora10g/product/10.2.0/db_1/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC0)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=node1)(PORT=1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "TESTDB" has 1 instance(s).
Instance "TESTDB", status READY, has 1 handler(s) for this service...
Service "TESTDB_XPT" has 1 instance(s).
Instance "TESTDB", status READY, has 1 handler(s) for this service...
The command completed successfully
[oracle@node1 ~]$
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