Hard disk power management

[Dan Nicholson]

On 12/19/06, Gilles Dartiguelongue <dartigug at esiee.fr> wrote:
> Le lundi 18 décembre 2006 à 21:11 -0800, Dan Nicholson a écrit :
> > On 12/17/06, kitts <kitts.mailinglists at gmail.com> wrote:
> > > On Sunday 17 December 2006 16:47 IST, Richard Hughes wrote:
> > > > [1]
> http://lists.freedesktop.org/archives/hal/2005-August/003116.html
> > >
> > > I went through that mail and from it i seem to learn that hdparm
> only works
> > > with IDE drives. I have a SATA drive in my laptop. Could that be the
> issue?
> > >
> [snip]
> > I think you need to use sdparm, which speaks SCSI.
> >
> > http://sg.torque.net/sg/sdparm.html
> >
>
> IIRC, sdparm is for pure SCSI devices and hdparm can handle SATA drives
> because it is still IDE commands that are sent to the device.

The sdparm page has some more to say about it. Apparently, both are
useful in this situation.

http://sg.torque.net/sg/sdparm.html#mozTocId752074

--
Dan