On Sunday 23 January 2005 03:29 pm, Kaj Haulrich wrote:
> Tom Brinkman wrote :
>
> " I always prefer to put /swap as the first partition (hd?1) on
> a drive. R/W's slow as much as 40% the further down a partition
> is on a drive, regardless of the drive's rpms, size, number of
> disks, age, etc. "
>
> This puzzles me : I've always believed that a harddisk had its
> first cylinders at the center. This should give a slower
> radial velocity. Furthermore, if the read/write arm has its
> idle position at the perimeter it should travel a longer
> distance to the swap partition.
>
> But maybe I got it all upside/down ?
>
> Kaj Haulrich.
Sort'a. HDD, the sectors on the outer perimeter are passing
under the r/w arm at a faster speed than the inner rings. First
partitions are on the outer rings. Now it is just the opposite
with CD drives, which are recorded from the inner ring to the
outer edge. Anyhow, back to HDD's, I believe the track location
(inner/outer) has a much bigger effect than distance the r/w arm
has to travel. r/w arms move so quickly back'n forth they'd put
a humming bird's wings to shame. Also, today's large drives have
multiple platters and r/w arms. Which BTW, 'park' by the outer
rings. http://computer.howstuffworks.com/hard-disk.htm
--
Tom Brinkman Corpus Christi, Texas
Proud to be an American
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