SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = orcl)
(ORACLE_HOME = /u01/app/oracle/10.2.0/db_1)
(global_name = orcl)
)
(SID_DESC =
(SID_NAME = orcldup)
(ORACLE_HOME = /u01/app/oracle/10.2.0/db_1)
(global_name = orcldup)
)
)

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.222)(PORT = 1521))
)
)

TNSNAMES.ORA
# tnsnames.ora Network Configuration File: /u01/app/oracle/10.2.0/db_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

orcl_local =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.222)(PORT = 1521))
)
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)

orcl_dup =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.222)(PORT = 1521))
)
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcldup)
)
)

EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
)
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
)
)
重启监听，使其生效
[oracle@linux5 admin]$ lsnrctl stop

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 17-APR-2014 04:56:44

Copyright (c) 1991, 2005, Oracle. All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
The command completed successfully
[oracle@linux5 admin]$ lsnrctl start

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 17-APR-2014 04:59:12

Copyright (c) 1991, 2005, Oracle. All rights reserved.

Starting /u01/app/oracle/10.2.0/db_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 10.2.0.1.0 - Production
System parameter file is /u01/app/oracle/10.2.0/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/10.2.0/db_1/network/log/listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.222)(PORT=1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 10.2.0.1.0 - Production
Start Date 17-APR-2014 04:59:12
Uptime 0 days 0 hr. 0 min. 0 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/10.2.0/db_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/10.2.0/db_1/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.222)(PORT=1521)))
Services Summary...
Service "orcl" has 1 instance(s).
Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
Service "orcldup" has 1 instance(s).
Instance "orcldup", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
6.启动目标数据库到MOUNT或OPEN状态
[oracle@linux5 orcldup]$ export ORACLE_SID=orcl //ORACLE_SID要大写
[oracle@linux5 orcldup]$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Thu Apr 17 05:08:29 2014

Copyright (c) 1982, 2005, Oracle. All rights reserved.

Connected to an idle instance.

SQL> startup
ORACLE instance started.