Subject: Re: how to spin down a harddisk?
To: Eduardo Horvath <eeh@turbolinux.com>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: port-i386
Date: 08/02/2000 17:19:01
On Wed, Aug 02, 2000 at 08:05:47AM -0700, Eduardo Horvath wrote:
> On Wed, 2 Aug 2000, Manuel Bouyer wrote:
>
> > This timeout should already be enouth (it's something like 10s).
> > Also, it looks strange that the disk spins up just after spinning down.
> > Looks like it went off in the middle of a command.
>
> I don't really think that 10s is a sufficient timeout for a disk. Maybe
> for IDE, but some SCSI disks can take 30s or more to spin up. ISTR that
> when I was dealing with fibre-channel disks they took the better part of a
> minute to spin up. 10s is cutting it pretty close for spinups even on
> some of the faster disks.
Hum more than 10s would make power management on laptop almost unusable :)
--
Manuel Bouyer, LIP6, Universite Paris VI. Manuel.Bouyer@lip6.fr
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