Oracle监听能正常启动，但实例监听不到故障应急处理一例

Oracle监听能正常启动，但实例监听不到故障应急处理一例

故障现象：监听能正常启动，但两个实例均未能监听到
 
[Oracle@L-DB-100-17 ~]$ lsnrctl status
 
 
 
LSNRCTL for Linux: Version 10.2.0.4.0 - Production on 07-1月 -2002 14:29:33
 
 
 
Copyright (c) 1991, 2007, Oracle.  All rights reserved.
 
 
 
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=172.16.100.17)(PORT=1521)))
 
STATUS of the LISTENER
 
------------------------
 
Alias                    LISTENER
 
Version                  TNSLSNR for Linux: Version 10.2.0.4.0 - Production
 
Start Date                07-1月 -2002 14:03:45
 
Uptime                    0 days 0 hr. 25 min. 47 sec
 
Trace Level              off
 
Security                  ON: Local OS Authentication
 
SNMP                      OFF
 
Listener Parameter File  /u01/product/10.2.0/db_1/network/admin/listener.ora
 
Listener Log File        /u01/product/10.2.0/db_1/network/log/listener.log
 
Listening Endpoints Summary...
 
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.16.100.17)(PORT=1521)))
 
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC0)))
 
Services Summary...
 
Service "PLSExtProc" has 1 instance(s).
 
  Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
 
The command completed successfully
 

故障处理：
 
1、修改HOST地址
 
[oracle@L-DB-100-17 admin]$ vi listener.ora
 
修改IP地址为0.0.0.0,"HOST=0.0.0.0"
 

2、重启lsnrclt
 
[oracle@L-DB-100-17 admin]$ lsnrctl stop
 
 
 
LSNRCTL for Linux: Version 10.2.0.4.0 - Production on 07-1月 -2002 14:31:24
 
 
 
Copyright (c) 1991, 2007, Oracle.  All rights reserved.
 
 
 
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=0.0.0.0)(PORT=1521)))
 
TNS-12541: TNS:no listener
 
 TNS-12560: TNS:protocol adapter error
 
  TNS-00511: No listener
 
  Linux Error: 111: Connection refused
 
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC0)))
 
The command completed successfully
 
[oracle@L-DB-100-17 admin]$ lsnrctl start
 
 
 
LSNRCTL for Linux: Version 10.2.0.4.0 - Production on 07-1月 -2002 14:31:37
 
 
 
Copyright (c) 1991, 2007, Oracle.  All rights reserved.
 
 
 
Starting /u01/product/10.2.0/db_1/bin/tnslsnr: please wait...
 
 
 
TNSLSNR for Linux: Version 10.2.0.4.0 - Production
 
System parameter file is /u01/product/10.2.0/db_1/network/admin/listener.ora
 
Log messages written to /u01/product/10.2.0/db_1/network/log/listener.log
 
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=0.0.0.0)(PORT=1521)))
 
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC0)))
 
 
 
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=0.0.0.0)(PORT=1521)))
 
STATUS of the LISTENER
 
------------------------
 
Alias                    LISTENER
 
Version                  TNSLSNR for Linux: Version 10.2.0.4.0 - Production
 
Start Date                07-1月 -2002 14:31:37
 
Uptime                    0 days 0 hr. 0 min. 0 sec
 
Trace Level              off
 
Security                  ON: Local OS Authentication
 
SNMP                      OFF
 
Listener Parameter File  /u01/product/10.2.0/db_1/network/admin/listener.ora
 
Listener Log File        /u01/product/10.2.0/db_1/network/log/listener.log
 
Listening Endpoints Summary...
 
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=0.0.0.0)(PORT=1521)))
 
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC0)))
 
Services Summary...
 
Service "PLSExtProc" has 1 instance(s).
 
  Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
 
The command completed successfully