1.通过 lsnrctl status 命令查看实例的状态
hs-prd:oraprd 17> lsnrctl status
LSNRCTL for IBM/AIX RISC System/6000: Version 10.2.0.2.0 - Production on 04-JA
2012 04:37:52
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for IBM/AIX RISC System/6000: Version 10.2.0
.0 - Production
Start Date 11-OCT-2011 07:46:24
Uptime 84 days 20 hr. 51 min. 28 sec
Trace Level off
Security ON: Local OS Authentication
SNMP ON
Listener Parameter File /oracle/PRD/102_64/network/admin/listener.ora
Listener Log File /oracle/PRD/102_64/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=hs-prd)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=PRD.WORLD)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=PRD)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=hs-prd)(PORT=1527)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "PRD" has 1 instance(s).
Instance "PRD", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
