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Re: file modifications get lost due to FAT 2s time resolution

From: <kfogel_at_collab.net>
Date: 2004-07-19 17:23:06 CEST

Martin Tomes <lists@tomes.org> writes:
> The entries file time and the actual file timestamp may differ after
> the precision on the file timestamp is lost so a status has to compare
> the content of the file and the pristine copy in order to find out if
> the file content has changed. If the time in the entries file and the
> datestamp on the file match then there is no need to do the diff.
> This user had copied from NTFS to FAT (memory stick) and then back to
> That is the current theory here!

So it's not merely that FAT might not notice events within 2 seconds
of each other, but it actually loses precision (i.e., *can't* store)
timestamps too close to each other when copied from another file
system? I hadn't realized that.

By the way, have you done any experiments to confirm that this is the
cause of the slower status? It might also just be that the memory
stick is, you know, slower :-).

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Received on Mon Jul 19 18:53:06 2004

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