ORA-01033: ORACLE initialization or shutdown in progress Problems

ORA-01033: ORACLE initialization or shutdown in progress problem ORA-01033: ORACLE initialization or shutdown in progress solution: Command Line: sqlplus "/as sysdba" entering sqlpluswww.2cto.com SQL> shutdown normalORA-01109: the database has not been opened and has been detached. The ORACLE routine has been disabled. SQL> start mountSP2-0310: Unable to open file "mount. SQL" SQL> startup mountORACLE routine started. Total System Global Area 612368384 bytesFixed Size 1332348 bytesVariable Size 183151492 bytesDatabase Buffers 423624704 bytesRedo Buffers 4259840 bytes database loaded. SQL> alter database open; row 1st error: ORA-01157: unable to identify/lock Data File 5-see DBWR trace file ORA-01110: Data File 5: 'f: \ database \ oracle \ namespace \ 01. DBF 'SQL> alter database datafile 5 offline drop; [5 is in the data file] www.2cto.com continue to execute SQL> alter database open; if Error 6 appears again, execute the statement again until the database is changed. SQL> shutdown normal database has been disabled. The database has been detached. The ORACLE routine has been disabled. The SQL> startupORACLE routine has been started. Www.2cto.com Total System Global Area 612368384 bytesFixed Size 1332348 bytesVariable Size 187345796 bytesDatabase Buffers 419430400 bytesRedo Buffers 4259840 bytes the database has been loaded. The database has been opened. Connect pl \ SQL again.