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Subject: Re: Configurable disk spindown
From: Justin Heiner (jheiner_at_yahoo.com)
Date: 2002-08-27


I've noticed that now there is a 1 to 2 second delay before the hdd starts
reading when changing tracks. It seems to just sit there doing nothing, not
even spinning up.

This only really happens when there's been no reading for a few seconds.

Also, on a different note, I've had a few instances (not reproducable) today
where the track just suddenly changes to the next track in the middle of a
song. I try going back to that track and reproduce it, but it doesn't happen.
*shrug*

-Justin

--- Björn_Stenberg <bjorn_at_haxx.se> wrote:
> Uwe Freese wrote:
> > But: Not to spin up the disk speeds up dir-browsing ~ 2 sec or so, but
> > the drive moves its heads to a "sleep" position when it doesn't read
> > something for about a second.
> > Moving the heads out of this sleep position before being ready for
> > reading (the next dir) takes about 1 second.
>
> I can hear somehing that could be the effect you're describing (an extra
> noise from the disk), but I don't see the 1s delay you mention. For me it's
> maybe 100-200ms, i.e. nothing I have even noticed until you mentioned it.
> Maybe this is disk specific? I have a Toshiba MK4018GAP.
>
> > Is it possible to prevent the disk to move it's heads to the "sleep"
> > position?
>
> No. And as George said, we probably wouldn't want to even if we could.
>
> --
> Björn

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