After restarting, listener can not start?

Question

[oracle@localhost admin]$ cat /u01/app/oracle/product/10.2.0/db_1/network/log/listener.log
04-JUN-2008 21:56:28 * ping * 0
WARNING: Subscription for node down event still pending
04-JUN-2008 21:56:28 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=localhost.localdomain)(USER=oracle))(COMMAND=status)(ARGUMENTS=64)(SERVICE=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost.localdomain)(PORT=1521)))(VERSION=169869568)) * status * 0
04-JUN-2008 21:58:53 * (CONNECT_DATA=(SID=orcl5)(CID=(PROGRAM=perl)(HOST=localhost.localdomain)(USER=oracle))) * (ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1921)) * establish * orcl5 * 0
04-JUN-2008 21:59:16 * service_update * orcl5 * 0
04-JUN-2008 22:00:22 * service_update * orcl5 * 0
04-JUN-2008 22:01:03 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=localhost.localdomain)(USER=oracle))(COMMAND=services)(ARGUMENTS=64)(SERVICE=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost.localdomain)(PORT=1521))))(VERSION=169869568)) * services * 0
04-JUN-2008 23:02:05 * (CONNECT_DATA=(SID=orcl5)(CID=(PROGRAM=emagent)(HOST=localhost.localdomain)(USER=oracle))) * (ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=30189)) * establish * orcl5 * 12505
TNS-12505: TNS:listener does not currently know of SID given in connect descriptor
TNSLSNR for Linux: Version 10.2.0.1.0 - Production on 05-JUN-2008 09:29:06
Copyright (c) 1991, 2005, Oracle. All rights reserved.
System parameter file is /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/product/10.2.0/db_1/network/log/listener.log
Trace information written to /u01/app/oracle/product/10.2.0/db_1/network/trace/listener.trc
Trace level is currently 0
Started with pid=5397
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost.localdomain)(PORT=1521)))
Listener completed notification to CRS on start
TIMESTAMP * CONNECT DATA [* PROTOCOL INFO] * EVENT [* SID] * RETURN CODE
WARNING: Subscription for node down event still pending
05-JUN-2008 09:29:07 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=localhost.localdomain)(USER=oracle))(COMMAND=status)(ARGUMENTS=64)(SERVICE=LISTENER)(VERSION=169869568)) * status * 0
WARNING: Subscription for node down event still pending
05-JUN-2008 09:29:57 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=localhost.localdomain)(USER=oracle))(COMMAND=status)(ARGUMENTS=64)(SERVICE=LISTENER)(VERSION=169869568)) * status * 0
[oracle@localhost admin]$ cat /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
# listener.ora Network Configuration File: /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
(PROGRAM = extproc)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost.localdomain)(PORT = 1521))
)

Answer 1

[oracle@localhost admin]$ ls
listener.ora samples shrept.lst sqlnet.ora tnsnames.ora
[oracle@localhost admin]$ tnsping orcl5
TNS Ping Utility for Linux: Version 10.2.0.1.0 - Production on 05-JUN-2008 11:06:29
Copyright (c) 1997, 2005, Oracle. All rights reserved.
Used parameter files:
/u01/app/oracle/product/10.2.0/db_1/network/admin/sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost.localdomain)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl5)))
OK (0 msec)
[oracle@localhost admin]$ lsnrctl services
LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 05-JUN-2008 11:09:06
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0
LOCAL SERVER
Service "orcl5" has 1 instance(s).
Instance "orcl5", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
Service "orcl5XDB" has 1 instance(s).
Instance "orcl5", status READY, has 1 handler(s) for this service...
Handler(s):
"D000" established:0 refused:0 current:0 max:972 state:ready
DISPATCHER <machine: localhost.localdomain, pid: 5813>
(ADDRESS=(PROTOCOL=tcp)(HOST=localhost.localdomain)(PORT=54465))
Service "orcl5_XPT" has 1 instance(s).
Instance "orcl5", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
The command completed successfully