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.

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

，