Re: UDB Disk Performance

Kari Davidsson (d154402@cs.tut.fi)
Thu, 31 Oct 1996 09:49:44 +0200

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Maybe in reply to: Al Potter: "UDB Disk Performance"

Stephen J. Gaudet wrote:
>
> Hello Al
>
> >I have a UDB (VX42) with the internal 2.5" disk and am, like many, not too
> >happy with the disk's performance. I looked up the specs on this disk in the
> >Pocket PCRef, 5th Edition and it ain't too shabby, not great, but not terrible
> >either:
> > 4200 rpm, 13 ms access SCSI-II
> >
> >I've owned several laptop / notebook computers in the past and many of them
> >have their internal disks set up to spool down after a short period of
> >activity, usually for purposes of power conservation.
> >
> >The disk in this unit _sounds_ like it's powering up and down in this power
> >saving cycle. Is it possible that Digital shipped the unit this way, possibly
> >for purposes of HEAT conservation?

Yes I have this strange sound to. I was listening to my drive 520MB
Toshiba last night and it emits this sound aprox. 5 seks after disk
activities finish, i.e. ls then wait 5sek then comes the sound. (ls can
of course be replaced by any comand accessing the disk). I don't think
it is
spin down because the disk definitly is spinning. I was more thinkin
that it
is "park heads sound" (if parking heads has a sound 8-)), but I might be
compleatly wrong, and probably I am 8-).

K.D.

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Next message: Castelijn, Maurice: "Help for old axp? I've tried about EVERYTHING."
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Maybe in reply to: Al Potter: "UDB Disk Performance"