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From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no>
To: Sven Hazejager <sven-freebsd@hazejager.nl>
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Date: Tue, 14 Aug 2007 23:56:27 +0200
In-Reply-To: <07081416114656.-1077948560@somehost.domainz.com> (Sven
	Hazejager's message of "Tue\, 14 Aug 2007 16\:14\:06 +0200 \(CEST\)")
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Cc: freebsd-hackers@freebsd.org
Subject: Re: How to stop attached USB device / send IRP_MN_REMOVE_DEVICE?
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Sven Hazejager <sven-freebsd@hazejager.nl> writes:
> No, camcontrol does not support this over USB. Windows XP demonstrates
> it is technically possible, and I do not believe it is fully safe to
> disconnect the drive (even when unmounted), as the drive then is not
> able to park its heads, which it DOES do under XP.

All modern disks (since at least the early 1990s) automatically park
their heads when they lose power.  There is no need to do it in
software.

DES
--=20
Dag-Erling Sm=C3=B8rgrav - des@des.no