What's the reason of NTFS file structure corruption?

What is the exact reason for the corruption of NTFS file structure?

Our server is running on Dual AMD Opteron, Windows 2003 Standard Server OS, Firewall, Sophos antivirus.

We are unable to recover corrupted files/folders using chkdsk and utility like GetDataBack

Thank you


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Brian PiercePhotographerCommented:
Impossibleto say with so little informtion, could be a disk fault, disk controller fault, memory, motherboard, cache aor system issueor a problem with a particular applcation - or even malware. I suggest you run some diagnosticd such as the disk manufactuerers diagnostics - usually available from their web sitem and MemTest http://www.memtest.org/

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Not much we can add to KCTS, if the chkdsk does not repair it, and get databack fails then must be the hard drive.
It is possible that the HD is fine, and that only data on it is corrupt
see if this Microsoft Article adds any new ideas
Cannot Delete or Repair Corrupted File on NTFS Volume
and here from our  EE database
NTFS directory structure corrupted - can we rebuild it from the data
If you wish to understand what causes a hard drive cluster to fail here's a good read to put you in the know, this a top site for guides on computer related
How Hard Drives Can Fail  
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