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Date: Thu, 21 Oct 2010 16:03:35 +0100
From: Bruce Cran <bruce@cran.org.uk>
To: Dag-Erling =?ISO-8859-1?Q?Sm=F8rgrav?= <des@des.no>
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Cc: Alexander Best <arundel@freebsd.org>, mav@freebsd.org,
	Tijl Coosemans <tijl@coosemans.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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On Thu, 21 Oct 2010 16:35:06 +0200
Dag-Erling Sm=F8rgrav <des@des.no> wrote:

> Really?  That would make the system close to unusable, and the disk's
> life expectancy would be reduced to a few months; a disk that performs
> two load / unload cycles per minute on average will need replacing
> after three to six months.  Remember, there was a huge flap a couple
> of years when Ubuntu shipped with a default timeout of 90 seconds,
> which is more than ten times more than what you suggest.

The Ubuntu issue was what I was thinking of - I got that mixed up with
the aggressive power management of the WD EARS drives.

--=20
Bruce Cran