Re: automatic sleep on external USB disks?

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Thu, Feb 25, 2010 at 01:06:57AM -0800, David Wetzel wrote:
> Hi,
> 
> how can I set this disk to sleep after some time of inactivity and wake it up 
> automatically?
> It is connected to a ALIX board...
> 
> umass0 at uhub1 port 1 configuration 1 interface 0
> umass0: Prolific Technology Inc. Mass Storage Device, rev 2.00/1.00, addr 2
> umass0: using SCSI over Bulk-Only
> scsibus0 at umass0: 2 targets, 1 lun per target
> sd0 at scsibus0 target 0 lun 0: <FUJITSU, MHS2030AT, 8405> disk fixed
> sd0: fabricating a geometry
> sd0: 28615 MB, 28615 cyl, 64 head, 32 sec, 512 bytes/sect x 58605120 sectors
> sd0: fabricating a geometry

I don't know of a way to do it automatically, but would
scsictl sd0 stop
cause it to spin down ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--