一次奇怪的数据库启动和关闭经历。

 

SQL> conn / as sysdba Connected to an idle instance.

SQL> shutdown immediate ORA-24324: service handle not initialized ORA-24323: value not allowed ORA-01089: immediate shutdown in progress - no operations are permitted

SQL> conn / as sysdba Connected to an idle instance. SQL> startup ORA-01081: cannot start already-running ORACLE - shut it down first SQL> shutdown abort   ORACLE instance shut down. SQL> startup ORACLE instance started.

Total System Global Area 2499805184 bytes Fixed Size                  1262368 bytes Variable Size            1073745120 bytes Database Buffers         1409286144 bytes Redo Buffers               15511552 bytes staDatabase mounted.   Database opened. SQL> SQL>  SQL> shutdown immediate Database closed. Database dismounted. ORACLE instance shut down. SQL>