JSI Tip 3051. CHKDSK reports extended attribute corruption?


After a 'dirty' restart on a Windows 2000 computer using the NTFS file system, chkdsk scans the drive and may report errors similar to:

The type of the file system is NTFS.
Volume label is disk1.

CHKDSK is verifying files (stage 1 of 3)...
File verification completed.
Deleting corrupt extended attribute set in file 2566.
Deleting corrupt extended attribute set in file 4358.
Deleting corrupt extended attribute set in file 4461.
Deleting corrupt extended attribute set in file 5317.
Deleting corrupt extended attribute set in file 5320.
Deleting corrupt extended attribute set in file 5321.
Deleting corrupt extended attribute set in file 5322.
The NTFS file system protects against corruption by implementing transaction logging. Extended attributes, such as Author, Subject, Source, etc.... are not protected by transaction logging.

When you have a 'dirty' shutdown (cutting off the power), these extended attributes can become corrupted.

See tip 2072 » Every time I restart, chkdsk wants to run?


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