動態監聽和靜態監聽
以下內容都是個人理解
動態監聽不需要把註冊資訊寫入到監聽檔案
[oracle@node1 admin]$ more listener.ora
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = node1)(PORT = 1521))
)
)
ADR_BASE_LISTENER = /u01/app/oracle
[oracle@node1 admin]$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 27-APR-2014 12:33:04
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=node1)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 27-APR-2014 12:30:20
Uptime 0 days 0 hr. 2 min. 44 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/node1/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=node1)(PORT=1521)))
Services Summary...
Service "test" has 1 instance(s).
Instance "test", status READY, has 2 handler(s) for this service...
Service "testXDB" has 1 instance(s).
Instance "test", status READY, has 1 handler(s) for this service...
The command completed successfully
動態監聽有兩種狀態 ready和block 在資料庫open的狀態下為ready
SQL> startup force nomount;
ORACLE instance started.
Total System Global Area 849530880 bytes
Fixed Size 1339824 bytes
Variable Size 612372048 bytes
Database Buffers 230686720 bytes
Redo Buffers 5132288 bytes
SQL> quit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@node1 admin]$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 27-APR-2014 12:41:15
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=node1)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 27-APR-2014 12:40:32
Uptime 0 days 0 hr. 0 min. 42 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/node1/listener/alert/log.xml
Listening Endpoints Summary...
(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 "test" has 2 instance(s).
Instance "test", status UNKNOWN, has 2 handler(s) for this service...
Instance "test", status BLOCKED, has 1 handler(s) for this service...
The command completed successfully
資料庫在nomount的情況下，監聽是blocked的
----------------------------------------------------------------------
靜態監聽
[oracle@node1 admin]$ more 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_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = node1)(PORT = 1521))
)
)
ADR_BASE_LISTENER = /u01/app/oracle
SID_LIST_LISTENER=
(SID_LIST=
(SID_DESC=
(SID_NAME=plsextproc)
(ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1)
(PROGRAM=extproc)
)
---------------------
這部分可以省略，如果需要這個服務在配置
PLSExtPro 是pl/sql external procdure 的意思，就是在pl/sql中呼叫外部語句，如c,java寫的過程。
現在，Oracle已經全面支援JAVA了，這東西也就過時了，之所以繼續保留是考慮到相容以前老版本的資料庫例項。
-------------------------
(SID_DESC=
(GLOBAL_NAME=test)
(ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1)
(sid_name=test)
)
(SID_DESC=
(GLOBAL_NAME=test1)
(ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1)
(sid_name=test)
)
)
[oracle@node1 admin]$ lsnrctl start
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 27-APR-2014 12:34:57
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Starting /u01/app/oracle/product/11.2.0/db_1/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 11.2.0.1.0 - 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/node1/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=node1)(PORT=1521)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=node1)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 27-APR-2014 12:34:57
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/node1/listener/alert/log.xml
Listening Endpoints Summary...
(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 "test" has 1 instance(s).
Instance "test", status UNKNOWN, has 2 handler(s) for this service...
The command completed successfully
SQL> startup force nomount;
ORACLE instance started.
Total System Global Area 849530880 bytes
Fixed Size 1339824 bytes
Variable Size 612372048 bytes
Database Buffers 230686720 bytes
Redo Buffers 5132288 bytes
SQL> quit
[oracle@node1 admin]$ lsnrctl start
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 27-APR-2014 12:47:50
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Starting /u01/app/oracle/product/11.2.0/db_1/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 11.2.0.1.0 - 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/node1/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=node1)(PORT=1521)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=node1)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 27-APR-2014 12:47:50
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/node1/listener/alert/log.xml
Listening Endpoints Summary...
(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 "test" has 1 instance(s).
Instance "test", status UNKNOWN, has 2 handler(s) for this service...
The command completed successfully
靜態監聽只有一種狀態就是unknown 不管資料庫在nomount還是open狀態
靜態監聽的優點 這些情況都不會一起監聽註冊失敗
1、監聽沒有最早啟動
2、資料庫執行期間，監聽發成重啟
3、oracle例項還沒有open
動態監聽不需要把註冊資訊寫入到監聽檔案
[oracle@node1 admin]$ more listener.ora
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = node1)(PORT = 1521))
)
)
ADR_BASE_LISTENER = /u01/app/oracle
[oracle@node1 admin]$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 27-APR-2014 12:33:04
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=node1)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 27-APR-2014 12:30:20
Uptime 0 days 0 hr. 2 min. 44 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/node1/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=node1)(PORT=1521)))
Services Summary...
Service "test" has 1 instance(s).
Instance "test", status READY, has 2 handler(s) for this service...
Service "testXDB" has 1 instance(s).
Instance "test", status READY, has 1 handler(s) for this service...
The command completed successfully
動態監聽有兩種狀態 ready和block 在資料庫open的狀態下為ready
SQL> startup force nomount;
ORACLE instance started.
Total System Global Area 849530880 bytes
Fixed Size 1339824 bytes
Variable Size 612372048 bytes
Database Buffers 230686720 bytes
Redo Buffers 5132288 bytes
SQL> quit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@node1 admin]$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 27-APR-2014 12:41:15
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=node1)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 27-APR-2014 12:40:32
Uptime 0 days 0 hr. 0 min. 42 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/node1/listener/alert/log.xml
Listening Endpoints Summary...
(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 "test" has 2 instance(s).
Instance "test", status UNKNOWN, has 2 handler(s) for this service...
Instance "test", status BLOCKED, has 1 handler(s) for this service...
The command completed successfully
資料庫在nomount的情況下，監聽是blocked的
----------------------------------------------------------------------
靜態監聽
[oracle@node1 admin]$ more 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_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = node1)(PORT = 1521))
)
)
ADR_BASE_LISTENER = /u01/app/oracle
SID_LIST_LISTENER=
(SID_LIST=
(SID_DESC=
(SID_NAME=plsextproc)
(ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1)
(PROGRAM=extproc)
)
---------------------
這部分可以省略，如果需要這個服務在配置
PLSExtPro 是pl/sql external procdure 的意思，就是在pl/sql中呼叫外部語句，如c,java寫的過程。
現在，Oracle已經全面支援JAVA了，這東西也就過時了，之所以繼續保留是考慮到相容以前老版本的資料庫例項。
-------------------------
(SID_DESC=
(GLOBAL_NAME=test)
(ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1)
(sid_name=test)
)
(SID_DESC=
(GLOBAL_NAME=test1)
(ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1)
(sid_name=test)
)
)
[oracle@node1 admin]$ lsnrctl start
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 27-APR-2014 12:34:57
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Starting /u01/app/oracle/product/11.2.0/db_1/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 11.2.0.1.0 - 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/node1/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=node1)(PORT=1521)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=node1)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 27-APR-2014 12:34:57
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/node1/listener/alert/log.xml
Listening Endpoints Summary...
(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 "test" has 1 instance(s).
Instance "test", status UNKNOWN, has 2 handler(s) for this service...
The command completed successfully
SQL> startup force nomount;
ORACLE instance started.
Total System Global Area 849530880 bytes
Fixed Size 1339824 bytes
Variable Size 612372048 bytes
Database Buffers 230686720 bytes
Redo Buffers 5132288 bytes
SQL> quit
[oracle@node1 admin]$ lsnrctl start
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 27-APR-2014 12:47:50
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Starting /u01/app/oracle/product/11.2.0/db_1/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 11.2.0.1.0 - 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/node1/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=node1)(PORT=1521)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=node1)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 27-APR-2014 12:47:50
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/node1/listener/alert/log.xml
Listening Endpoints Summary...
(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 "test" has 1 instance(s).
Instance "test", status UNKNOWN, has 2 handler(s) for this service...
The command completed successfully
靜態監聽只有一種狀態就是unknown 不管資料庫在nomount還是open狀態
靜態監聽的優點 這些情況都不會一起監聽註冊失敗
1、監聽沒有最早啟動
2、資料庫執行期間，監聽發成重啟
3、oracle例項還沒有open
來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/29108064/viewspace-1150304/，如需轉載，請註明出處，否則將追究法律責任。
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