Oracle启动提示下面问题,请高人指点
SQL> startup
ORACLE instance started.
Total System Global Area 795127808 bytes
Fixed Size 1302848 bytes
Variable Size 494931648 bytes
Database Buffers 293601280 bytes
Redo Buffers 5292032 bytes
Database mounted.
ORA-01122: database file 11 failed verification check
ORA-01110: data file 11: '/opt/XXX/dump/MEPACKTBS.dbf'
ORA-01251: Unknown File Header Version read for file number 11