suspected Database v MS SQL 6.5

Zdravejte mladeji,
znachi imam edin MS SQL 6.5 , na koito database devicete sa DATA1 i DATA2.
Skoro gledam m v loga na servera (event viewera) si :
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Mesg 17207 : udopen: operating system error (null) during the creation/opening of physical device E:\Data1.dat

Mesg 17204 : udactivate (primary): failed to open device E:\Data1.dat

.... i sashtite dve saobshtenia za drugia device Data 2
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Realno dvata DAT faila sashtestvuvat na servera, no zashto se e poluchilo tova ! Ima li nachin za vastanoviavane ako niamam backup ?

proweri dali account-a pod koito se run-wa sql server wse o6te ima dostyp do failowete. oswen towa, dali nqkoq druga programa ne izpolzwa failowete. SQL server ima nuvda ot exclusive access do failowete si.