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Article #80

Re: Defrag for NTFS

#80
From: Greg Askew
Date: Sun, 28 Jun 1998 00:00
42 lines
2570 bytes
You would think so, but there is nothing to base this assumption on.

I know of one way to (almost) guarantee a contiguous file is created on
an NTFS partition.  Make sure it is the only file on a newly created 
partition.

The are two issues here:

1. NTFS doesn't seem to have a "best-try contiguous" file creation.

2. The level of fragmentation of the available free space.  Obviously,
if your free space is chewed up in thousands of fragments, this makes
contiguous file creation less of a possibility.  

And don't rely on Diskeeper to give you an accurate accounting of
free space fragmentation.  Last time I checked (V3.0), they openly
declared they don't care how fragmented your free space is, and
the graphical representation of the free space (the blue bar) is
flawed.  You could have numerous free space fragments (holes), but the
blue bar will display as solid.

This seemed to be confirmed by their lack of a text report for
free space fragmentation.  Haven't checked it recently though.
--
Greg Askew
gba@REMOVE-THISmindspring.com

Peter wrote:
> 
> I may be missing something obvious here but surely doing a *file* copy
> must write defragged files on the destination?
> 
> >Even copying from one disk to another will not necessarily
> >copy the files in a contiguous fashion.  Neither will a backup
> >and restore of the drive.
> 
> Peter.
> 
> Return address is invalid to help stop junk mail.
> E-mail replies to zX80@digiYserve.com but
> remove the X and the Y.
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From: Greg Askew <gba@REMOVE-THISmindspring.com>
Subject: Re: Defrag for NTFS
Date: 1998/06/28
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