> Ivan Popov <pin@math.chalmers.se> wrote:
> >
> > Just wondering if there is any technical reason for scsi disk driver
> > not being able to spin disks down on idle timeout, like ide does.
>
> The IDE spin-down is performed by the IDE disk *hardware*, not the
> driver. The IDE drive simply notices that it has not heard any commands
> in XX seconds, so it spins down. If it receives a later command, it
> spins up, then processes the command.
BTW, some SCSI removable disks do this too, like Syquest (R.I.P.) Syjet
and (I think) Iomega Jaz. But they do it in hardware (although it is
selectable with a special utility).
Brad, who is glad that Syquest's RMA department is still around
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/