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Date: Mon, 25 Jul 2005 22:12:58 +0200
From: Andreas Baer <lnx1@gmx.net>
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To: Erik Mouw <erik@harddisk-recovery.com>
CC: Willy Tarreau <willy@w.ods.org>, linux-kernel@vger.kernel.org,
       pmarques@grupopie.com
Subject: Re: Problem with Asus P4C800-DX and P4 -Northwood-
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Erik Mouw wrote:
> On Mon, Jul 25, 2005 at 09:51:49PM +0200, Andreas Baer wrote:
> 
>>Willy Tarreau wrote:
>>
>>>On Mon, Jul 25, 2005 at 03:10:08PM +0200, Andreas Baer wrote:
>>>
>>>>Here I have
>>>>
>>>>       /dev/hda:  26.91 MB/sec
>>>>       /dev/hda1: 26.90 MB/sec    (Windows FAT32)
>>>>       /dev/hda7: 17.89 MB/sec    (Linux EXT3)
>>>>
>>>>Could you give me a reason how this is possible?
>>>
>>>
>>>a reason for what ? the fact that the notebook performs faster than the
>>>desktop while slower on I/O ?
>>
>>No, a reason why the partition with Linux (ReiserFS or Ext3) is always 
>>slower
>>than the Windows partition?
> 
> 
> Easy: Drives don't have the same speed on all tracks. The platters are
> built-up from zones with different recording densities: zones near the
> center of the platters have a lower recording density and hence a lower
> datarate (less bits/second pass under the head). Zones at the outer
> diameter have a higher recording density and a higher datarate.
> 
> 
> Erik
> 

So it has definitely nothing to do with filesystem? I also thought about 
physical reasons because I don't think the hdparm depends on filesystems...