oracle 多个实例切换,Oracle :多实例切换

Connecting to 10.1.4.21:22...

Connection established.

To escape to local shell, press 'Ctrl+Alt+]'.

Last login: Mon Oct 14 13:58:58 2013 from 10.1.4.39

[root@db1 ~]# su - oracle

urpdb1:/home/oracle@db1>echo $ORACLE_SID

urpdb1

urpdb1:/home/oracle@db1>sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Mon Oct 14 15:16:57 2013

Copyright (c) 1982, 2011, Oracle. All rights reserved.

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,

Data Mining and Real Application Testing options

SQL> select instance_name,status from v$instance;

INSTANCE_NAME STATUS

---------------- ------------

urpdb1 OPEN

SQL> !

[oracle@db1