静态注册和动态注册-创新互联
创建侦听器
侦听器在listener.ora文件中定义，这个文件的默认存储位置为ORACLE_HOME/network/admin目录。listener.ora文件至少必须声明一个侦听器的名称及其使用的协议与侦听地址。可以在一个文件中配置多个侦听器，不过这些侦听器必须具有不同的名称与地址。
与其他用于配置Oracle Net 的文件一样，listener.ora文件非常在意看似很小的语法问题。
[oracle@localhost admin]$ cat listener.ora
# listener.ora Network Configuration File: /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
# Generated by Oracle configuration tools.
LISTENER =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost.localdomain)(PORT = 1521))
)
ADR_BASE_LISTENER = /u01/app/oracle
[oracle@localhost admin]$ vi ./listener.ora
[oracle@localhost admin]$ cat listener.ora
# listener.ora Network Configuration File: /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
# Generated by Oracle configuration tools.
LISTENER =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost.localdomain)(PORT = 1521))
)
ADR_BASE_LISTENER = /u01/app/oracle
WYH =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost.localdomain)(PORT = 1522))
)
)
[oracle@localhost admin]$
数据库注册
向数据库注册实例的方法有静态注册和动态注册两种。对于静态注册来说，我们可以将一列实例硬编码在listener.ora文件中。动态注册意味着实例在启动时需要定位侦听器并注册到侦听器中。
1、静态注册
在listener.ora文件中添加条目
SID_LIST_WYH =
(SID_LIST =
(SID_DESC =
(ORACLE_HOME = /u01/app/oracle/product/11.2.0/db_1)
(SID_NAME = orcl)
)
)
测试静态注册
[oracle@localhost admin]$ lsnrctl
LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 14-APR-2016 11:17:49
Copyright (c) 1991, 2011, Oracle. All rights reserved.
Welcome to LSNRCTL, type "help" for information.
LSNRCTL> start WYH
Starting /u01/app/oracle/product/11.2.0/db_1/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 11.2.0.3.0 - Production
System parameter file is /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/localhost/wyh/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1522)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost.localdomain)(PORT=1522)))
STATUS of the LISTENER
------------------------
Alias WYH
Version TNSLSNR for Linux: Version 11.2.0.3.0 - Production
Start Date 14-APR-2016 11:17:58
Uptime 0 days 0 hr. 0 min. 0 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/localhost/wyh/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1522)))
Services Summary...
Service "orcl" has 1 instance(s).
Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
LSNRCTL>
2、动态测试
初始化参数local_listener会告知实例其应当进行联系的，从而能够查找到注册实例的侦听器的网络地址。在启动实例时，PMON进程会使用该参数来定位一个侦听器，并向其通知实例名称以及实例提供的服务名称。
[oracle@localhost admin]$ sqlplus /nolog
SQL*Plus: Release 11.2.0.3.0 Production on Thu Apr 14 12:12:37 2016
Copyright (c) 1982, 2011, Oracle. All rights reserved.
SQL> conn / as sysdba
Connected to an idle instance.
SQL> startup pfile='/u01/app/oracle/product/11.2.0/db_1/dbs/initorcl.ora'
ORACLE instance started.
Total System Global Area 1436389376 bytes
Fixed Size 2228384 bytes
Variable Size 855641952 bytes
Database Buffers 570425344 bytes
Redo Buffers 8093696 bytes
Database mounted.
Database opened.
SQL> alter system register ;
System altered.
SQL> ho lsnrctl
LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 14-APR-2016 12:14:17
Copyright (c) 1991, 2011, Oracle. All rights reserved.
Welcome to LSNRCTL, type "help" for information.
LSNRCTL> status
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
Linux Error: 111: Connection refused
LSNRCTL> start
Starting /u01/app/oracle/product/11.2.0/db_1/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 11.2.0.3.0 - Production
System parameter file is /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521)))
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.3.0 - Production
Start Date 14-APR-2016 12:14:38
Uptime 0 days 0 hr. 0 min. 0 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/localhost/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521)))
The listener supports no services
The command completed successfully
LSNRCTL> start
TNS-01106: Listener using listener name LISTENER has already been started
LSNRCTL> status
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.3.0 - Production
Start Date 14-APR-2016 12:14:38
Uptime 0 days 0 hr. 0 min. 43 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/localhost/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521)))
Services Summary...
Service "orcl" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Service "orclXDB" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
The command completed successfully
LSNRCTL>
[oracle@localhost admin]$ sqlplus /nolog
SQL*Plus: Release 11.2.0.3.0 Production on Thu Apr 14 12:12:37 2016
Copyright (c) 1982, 2011, Oracle. All rights reserved.
SQL> conn / as sysdba
Connected to an idle instance.
SQL> startup pfile='/u01/app/oracle/product/11.2.0/db_1/dbs/initorcl.ora'
ORACLE instance started.
Total System Global Area 1436389376 bytes
Fixed Size 2228384 bytes
Variable Size 855641952 bytes
Database Buffers 570425344 bytes
Redo Buffers 8093696 bytes
Database mounted.
Database opened.
SQL> alter system register ;
System altered.
SQL> ho lsnrctl
LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 14-APR-2016 12:14:17
Copyright (c) 1991, 2011, Oracle. All rights reserved.
Welcome to LSNRCTL, type "help" for information.
LSNRCTL> status
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
Linux Error: 111: Connection refused
LSNRCTL> start
Starting /u01/app/oracle/product/11.2.0/db_1/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 11.2.0.3.0 - Production
System parameter file is /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521)))
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.3.0 - Production
Start Date 14-APR-2016 12:14:38
Uptime 0 days 0 hr. 0 min. 0 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/localhost/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521)))
The listener supports no services
The command completed successfully
LSNRCTL> start
TNS-01106: Listener using listener name LISTENER has already been started
LSNRCTL> status
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.3.0 - Production
Start Date 14-APR-2016 12:14:38
Uptime 0 days 0 hr. 0 min. 43 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/localhost/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521)))
Services Summary...
Service "orcl" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Service "orclXDB" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
The command completed successfully
LSNRCTL>
LSNRCTL>
LSNRCTL> exit
SQL> alter system set local_listener='(address=(pro=tcp)(host=localhost.localdomain)(port=1522))';
System altered.
SQL> ho lsnrctl
LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 14-APR-2016 12:20:35
Copyright (c) 1991, 2011, Oracle. All rights reserved.
Welcome to LSNRCTL, type "help" for information.
LSNRCTL> stop
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
The command completed successfully
LSNRCTL> start WYH
TNS-01106: Listener using listener name WYH has already been started
LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost.localdomain)(PORT=1522)))
STATUS of the LISTENER
------------------------
Alias WYH
Version TNSLSNR for Linux: Version 11.2.0.3.0 - Production
Start Date 14-APR-2016 11:23:13
Uptime 0 days 0 hr. 58 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/localhost/wyh/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1522)))
Services Summary...
Service "orcl" has 2 instance(s).
Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
Instance "orcl", status READY, has 1 handler(s) for this service...
Service "orclXDB" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
The command completed successfully
LSNRCTL>
LSNRCTL> exit
SQL>
SQL>
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORA-00119: invalid specification for system parameter LOCAL_LISTENER
ORA-00132: syntax error or unresolved network name '((ADDRESS_LIST= (ADDRESS = (PROTOCOL = TCP)(HOST = localhost.localdomain)(PORT = 1522)))'
SQL> startup pfile='/u01/app/oracle/product/11.2.0/db_1/dbs/initorcl.ora'
ORACLE instance started.
Total System Global Area 1436389376 bytes
Fixed Size 2228384 bytes
Variable Size 855641952 bytes
Database Buffers 570425344 bytes
Redo Buffers 8093696 bytes
Database mounted.
Database opened.
SQL> create spfile from pfile ;
File created.
SQL>
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
Total System Global Area 1436389376 bytes
Fixed Size 2228384 bytes
Variable Size 855641952 bytes
Database Buffers 570425344 bytes
Redo Buffers 8093696 bytes
Database mounted.
Database opened.
SQL> create pfile from spfile ;
File created.
SQL>
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标题名称：静态注册和动态注册-创新互联
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