在Oracle数据库启动时提示没有权限 ora-01031:insufficient privileges

[oracle@ora11r2 ~]$ sqlplus /nologSQL*Plus: Release 11.1.0.6.0 - Production on Thu Jun 10 18:22:16 2010Copyright (c) 1982, 2007, Oracle. All rights reserved.

SQL> startup ORA-01031: insufficient privileges

SQL> quit

[oracle@ora11r2 ~]$ sqlplus / as sysdba --必须有DBA权限才可以启动数据库

SQL*Plus: Release 11.1.0.6.0 - Production on Thu Jun 10 18:25:14 2010Copyright (c) 1982, 2007, Oracle. All rights reserved.Connected to an idle instance.

SQL> startup ORACLE instance started.

Total System Global Area 422670336 bytes

Fixed Size 1300352 bytesVariable Size 243271808 bytes

Database Buffers 171966464 bytes

Redo Buffers 6131712 bytes

Database mounted.Database opened.

SQL>