Re: Problem with Asus P4C800-DX and P4 -Northwood-

Andreas Baer
2005-07-25T20:13:21Z

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...