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Date: Tue, 17 Sep 2013 18:08:59 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: Gary Jennejohn <gljennjohn@gmail.com>
Subject: Re: spin down a USB-attached disk?
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On Tue, 17 Sep 2013, Gary Jennejohn wrote:

> I have a possibly dumb question.  Is it possible to send a spindown
> command through USB to a SATA disk attached as umass?
>
> I like to spin down my disks before turning them off and with an ad-disk
> it's quite simple using camcontrol.
>
> I haven't been able figure how to do it through USB.

Can't camcontrol do the same thing, regardless of how the disk is 
attached?