Oracle同一个用户下启动多个数据库实例

oracle@yingxiang-testServer1 oradata]$ export ORACLE_SID=APPDB
[oracle@yingxiang-testServer1 oradata]$ lsnrctl start

LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 22-MAY-2014 11:42:15

Copyright (c) 1991, 2013, Oracle. All rights reserved.

TNS-01106: Listener using listener name LISTENER has already been started
[oracle@yingxiang-testServer1 oradata]$ sqlplus "/as sysdba"

SQL*Plus: Release 11.2.0.4.0 Production on Thu May 22 11:42:21 2014

Copyright (c) 1982, 2013, Oracle. All rights reserved.

Connected to an idle instance.

SQL> startup
ORACLE instance started.

Total System Global Area 784998400 bytes
Fixed Size 2257352 bytes
Variable Size 478154296 bytes
Database Buffers 301989888 bytes
Redo Buffers 2596864 bytes
Database mounted.
Database opened.
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@yingxiang-testServer1 oradata]$ export ORACLE_SID=FILENETDB
[oracle@yingxiang-testServer1 oradata]$ sqlplus "/as sysdba"

SQL*Plus: Release 11.2.0.4.0 Production on Thu May 22 11:43:07 2014

Copyright (c) 1982, 2013, Oracle. All rights reserved.

Connected to an idle instance.

SQL> startup
ORACLE instance started.

Total System Global Area 588746752 bytes
Fixed Size 2255472 bytes
Variable Size 226493840 bytes
Database Buffers 356515840 bytes
Redo Buffers 3481600 bytes
Database mounted.
Database opened.
SQL>