以下转自：http://blog.csdn.net/leshami/article/details/6629043 作者：Leshami
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-- Oracle 监听器日志配置与管理
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Oracle 监听器是一个服务器端程序，用于监听所有来自客户端的请求，并为其提供数据库服务。因此对监听器的管理与维护相当重要。
本文主要描述对Oracle监听器日志文件的配置与管理。有关监听器的描述请参考
一、监听器日志特性
1. 监听器日志是一个纯文本文件，通常位于$ORACLE_HOME/network/log目录下，与sqlnet.log日志文件处于同一路径
2. 其缺省的文件名为listener.log。对于非缺省的监听器，则产生的日志文件通常为listenername.log
3. 该文件缺省由监听器自动创建，当日志文件丢失时或不存在时，会自动重新创建一个同名的文件，与alert_<SID>.log文件类似
4. 该文件的尺寸会不断自动增长，当尺寸过大时或不便于阅读时，考虑将其备份
5. Oracle监听器在运行时不允许对日志文件做删除，重命名操作
6. 可以设置日志状态为ON或OFF来实现启用或关闭日志
二、设置日志文件目录及路径
1. 设置日志文件目录的两种方法
[sql] view plaincopyprint?
lsnrctl SET LOG_DIRECTORY directory
LSNRCTL> SET LOG_DIRECTORY /usr/oracle/admin/log
2. 设置日志文件的两种方法
[sql] view plaincopyprint?
lsnrctl SET LOG_FILE file_name
LSNRCTL> SET LOG_FILE file_name
3. 设置日志的状态
[sql] view plaincopyprint?
lsnrctl SET LOG_STATUS {on | off}
LSNRCTL> SET LOG_STATUS {on | off}
4. 演示设置
a. 切换到日志目录查看日志文件
[sql] view plaincopyprint?
[oracle@test ~]$ cd $ORACLE_HOME/network/log
[oracle@test log]$ ls -hltr
total 348K
-rw-r--r-- 1 oracle oinstall 305K Apr 6 05:30 listener.log
-rw-r--r-- 1 oracle oinstall 26K Jun 27 01:52 listener_demo92.log
b. 查看当前监听器的状态
[sql] view plaincopyprint?
[oracle@test log]$ lsnrctl status listener_demo92
LSNRCTL for Linux: Version 9.2.0.8.0 - Production on 27-JUN-2011 01:54:31
Copyright (c) 1991, 2006, Oracle Corporation. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=test)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias listener_demo92
Version TNSLSNR for Linux: Version 9.2.0.8.0 - Production
Start Date 27-JUN-2011 01:52:18
Uptime 0 days 0 hr. 2 min. 13 sec
Trace Level off
Security ON
SNMP OFF
Listener Parameter File /oracle/92/network/admin/listener.ora
Listener Log File /oracle/92/network/log/listener_demo92.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=test)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC)))
Services Summary...
Service "demo92" has 1 instance(s).
Instance "demo92", status READY, has 1 handler(s) for this service...
The command completed successfully
c. 设置监听器目录及日志文件
[sql] view plaincopyprint?
LSNRCTL> set current_listener listener_demo92
Current Listener is listener_demo92
LSNRCTL> set password
Password:
The command completed successfully
LSNRCTL> set log_directory /home/oracle/log
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=test)(PORT=1521)))
listener_demo92 parameter "log_directory" set to /home/oracle/log
The command completed successfully
LSNRCTL> set log_file listener_test.log
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=test)(PORT=1521)))
listener_demo92 parameter "log_file" set to listener_test.log
The command completed successfully
LSNRCTL> set log_status on
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=test)(PORT=1521)))
listener_demo92 parameter "log_status" set to ON
The command completed successfully
LSNRCTL> save_config
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=test)(PORT=1521)))
Saved listener_demo92 configuration parameters.
Listener Parameter File /oracle/92/network/admin/listener.ora
Old Parameter File /oracle/92/network/admin/listener.bak
The command completed successfully
LSNRCTL> exit
d. 查看新路径下产生的日志文件
[sql] view plaincopyprint?
[oracle@test admin]$ cd /home/oracle/log
[oracle@test log]$ ls -hltr
total 16K
-rw-r--r-- 1 oracle oinstall 41 Jun 27 02:11 listener_demo92.log -->设置目录之后生成的
-rw-r--r-- 1 oracle oinstall 113 Jun 27 02:12 listener_test.log -->设置日志文件名之后的新日志文件
[oracle@test log]$ ls -hltr -->隔段时间查看，原来的日志文件不再增长，使用设定的日志文件名记录日志
total 16K
-rw-r--r-- 1 oracle oinstall 41 Jun 27 02:11 listener_demo92.log
-rw-r--r-- 1 oracle oinstall 1.3K Jun 27 02:17 listener_test.log
e. 查看listener.ora配置文件的变化
[sql] view plaincopyprint?
[oracle@test admin]$ more listener.ora
#----ADDED BY TNSLSNR 27-JUN-2011 02:12:37---
LOG_DIRECTORY_listener_demo92 = /home/oracle/log
LOG_FILE_listener_demo92 = listener_test.log
LOGGING_listener_demo92 = ON
#--------------------------------------------
三、日志文件的备份与重命名
通常情况下，需要停止监听器来对日志文件进行备份，下面使用不停止监听的情况下对日志文件重命名以实现备份
1. Windows平台的处理
[sql] view plaincopyprint?
C:\>cd \oracle\ora92\network\log -->切换到监听器日志文件所在目录
C:\oracle\ora92\network\log> lsnrctl set log_status off -->暂停或脱机记录日志文件
C:\oracle\ora92\network\log> rename listener.log listener.old -->重命名日志文件，一般加上日期
C:\oracle\ora92\network\log> lsnrctl set log_status on -->联机监听器日志文件，会自动重新创建一个新的日志文件
2. Unix/Linux平台的处理
[sql] view plaincopyprint?
$ lsnrctl set log_status off
$ mv listener.log listener.old -->另一种方法，cp listener.log /log/bak/. 然后 cp /dev/null >listener.log
$ lsnrctl set log_status on
3. 演示Linux平台下重命名日志文件
[sql] view plaincopyprint?
[oracle@test ~]$ cd /home/oracle/log
[oracle@test log]$ lsnrctl set log_status off -->如果存在密码，应使用LSNRCTL界面来完成
LSNRCTL for Linux: Version 9.2.0.8.0 - Production on 27-JUN-2011 02:41:09
Copyright (c) 1991, 2006, Oracle Corporation. All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(PORT=1521))
LISTENER parameter "log_status" set to OFF
The command completed successfully
[oracle@test log]$ mv listener_test.log listener_test.old
[oracle@test log]$ lsnrctl set log_status on
LSNRCTL for Linux: Version 9.2.0.8.0 - Production on 27-JUN-2011 02:41:31
Copyright (c) 1991, 2006, Oracle Corporation. All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(PORT=1521))
LISTENER parameter "log_status" set to ON
The command completed successfully
