A Microsoft MFT has a duplicate copy for recovery from corruption of the primary MFT?

The correct answer is A. True. Option A is correct because NTFS stores a mirror copy of the MFT - known as $MFTMirr - at approximately the midpoint of the volume. This mirror contains copies of the first critical MFT records, allowing Windows to recover essential file system metadata if the primary MFT…

Question

Options

ATrue
BFalse

How the community answered

(44 responses)

A
77% (34)
B
23% (10)

Explanation

Option A is correct because NTFS stores a mirror copy of the MFT - known as $MFTMirr - at approximately the midpoint of the volume. This mirror contains copies of the first critical MFT records, allowing Windows to recover essential file system metadata if the primary MFT becomes corrupted or unreadable. Option B is incorrect because it contradicts a well-documented NTFS design feature: the filesystem was explicitly engineered with this redundancy to improve resilience against disk errors. The mirror is not a full duplicate of the entire MFT (which can be very large), but it covers the most critical entries needed for basic recovery.

Memory tip: Think "MFT has a twin" - just like important documents get photocopied and stored separately, NTFS keeps a backup mirror ($MFTMirr) in a different location on disk so one corrupted copy doesn't mean total data loss.

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