>Antti Miettinen <apm@vipunen.hut.fi> wrote:
>> I have a feeling that some drives might lie about the number of heads
>> and number of cylinders when they construct the imaginary geometry. If
>> this geometry is used by the disksort(), it might hurt performance.
>
>Why should it? If sectors are sorted according to cylinder then sector,
>whatever the geometry, they will be sorted correctly according to
>their linear block number.

I was just thinking out loud.. I suppose all drives lay the blocks so
that the cylinders are the "most significant" part of the block number
and if so, you are right. I suppose even "modern" drives don't have
independently controlled r/w heads?