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Probably corrupted MDF ans/or LFD

Posted on 2003-11-14
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Last Modified: 2012-06-27
A customer of mine did power-off its Desktop PC without closing Windows (ME). After restart, an important database (account data of its job) under MSQL Desktop Edition (SQL 7) got unaccessible.

Trial 1) I tried to attach the mdf/ldf files, getting an error and aborting the procedure
Trial 2) I tried to create a new database with the same name and the same filegroup properties. I stopped SQL Server and overwrote the files. This way I could see a grey database Icon with the "(Suspect)" postfix. No items could be browsed for that database.
Trial 3) Then I tried to apply the procedures I found in the Microsoft documentation (sp_resetstatus, DBCC CHECKDB ALLOW_DATA_LOSS...) without any result.

Could you help or suggest something?
Thanks
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Question by:francotiveron
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9 Comments
 
LVL 34

Expert Comment

by:arbert
ID: 9750042
You have a backup right--restore it.

You should never use sp_resetstatus when you know the data is probably corrupt or actually suspect.
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Author Comment

by:francotiveron
ID: 9750764
I have only the MDF and LDF.
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LVL 34

Expert Comment

by:arbert
ID: 9750859
hmmm, if the MDF and LDF are corrupt, there isn't too much you can do.  Probably a good time to plan future backups....
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LVL 34

Accepted Solution

by:
arbert earned 250 total points
ID: 9808673
francotiveron, what's the status on this question???
0
 

Author Comment

by:francotiveron
ID: 9810977
This is what I hated. My customer started to reinput data starting from last backup (three weeks!)
0
 

Author Comment

by:francotiveron
ID: 9811005
Probably it is already known, but I tried the demo of a recovery tool: MSSQLRecovery (www.officerevocery.com/mssql/)
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Author Comment

by:francotiveron
ID: 9811009
0
 
LVL 34

Expert Comment

by:arbert
ID: 9811037
So if the client is reinputting data I take it the product wasn't that great????
0
 

Author Comment

by:francotiveron
ID: 9811474
The customer preferred to reinput date because the product costs 499 $. The demo version reads the MDF file and gives a lot of sql files with data. The first rows contain true data, but the remaining contain "Demo" fixed string, so it is not possible to evaluate if that tool recover all data from corrupted DB. Anyway, it seems good.
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