我先用shutdown normal关闭了数据库，可是它很慢，几十分钟过去了纹丝不动，又打不开，后来用shutdown abort解决的。

C:\>sqlplus/nolog

SQL> conn sys/ as sysdba

输入口令: 已连接到空闲例程。 SQL> startup ORA-10997: another startup/shutdown operation of this instance inprogress ORA-09968: unable to lock file SQL> shutdown immediate ORA-24324: 未初始化服务句柄 ORA-24323: 不允许此值 ORA-01090: shutdown in progress - connection is not permitted SQL> startup nomount ORA-10997: another startup/shutdown operation of this instance inprogress SQL> startup mount ORA-10997: another startup/shutdown operation of this instance inprogress SQL> shutdown abort ORACLE 例程已经关闭。 SQL> startup ORACLE 例程已经启动。

Total System Global Area  167772160 bytes

Fixed Size                  1247900 bytes Variable Size              79693156 bytes Database Buffers           83886080 bytes Redo Buffers                2945024 bytes 数据库装载完毕。 数据库已经打开。 SQL>