From owner-freebsd-hackers@FreeBSD.ORG  Thu Sep 16 07:17:54 2010
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From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no>
To: Garrett Cooper <gcooper@FreeBSD.org>
References: <alpine.BSF.2.00.1003051636030.2481@wonkity.com>
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Date: Thu, 16 Sep 2010 09:17:52 +0200
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	(Garrett Cooper's message of "Wed, 15 Sep 2010 19:37:35 -0700")
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Cc: Alexander Best <arundel@freebsd.org>, mav@freebsd.org,
	Oliver Fromme <olli@lurza.secnetix.de>, freebsd-hackers@freebsd.org
Subject: Re: Summary: Re: Spin down HDD after disk sync or before power off
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Garrett Cooper <gcooper@FreeBSD.org> writes:
> Agreed. Spinning down at reboot isn't smart and seems like a good way
> to kill a disk quicker.

*not* spinning down at halt is far worse.  Most modern disks are rated
for hundreds of thousands of load-unload cycles, but far fewer emergency
unloads (which is what happens when the drive loses power while still
spinning).

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