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Date:	Thu, 03 Aug 2006 11:35:46 +0200
From:	Christian Franke <Christian DOT Franke AT t-online DOT de>
Reply-To:	cygwin AT cygwin DOT com
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To:	cygwin AT cygwin DOT com
CC:	Vladimir Dergachev <vdergachev AT rcgardis DOT com>
Subject:	Re: NTFS fragmentation
References:	<004401c6b688$a2ffd300$020aa8c0 AT DFW5RB41> <200608021946 DOT 07978 DOT vdergachev AT rcgardis DOT com>
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Vladimir Dergachev wrote:
> ...
> Also, I tried the following experiment - found a 17 MB file in ibiblio.org and 
> downloaded it with FireFox. The file ended up fragmented into more than 200 
> pieces. Tried the same file with IE - no fragmentation.
>   

The difference is probably that IE initially creates the file with full 
size and then overwrites it. This is at least the case if you copy files 
with explorer, copy, xcopy or CopyFileEx().

FireFox, Cygwin's cp and most other programs use regular sequential 
write. This may lead to fragmentation when the disk has less space.

Christian


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