下面的是网上找到的，做个参考
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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>
shutdown immediate 目前无法正常关闭，可能还存在问题