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Date: Thu, 5 Mar 2009 22:28:07 +0100
From: Ed Schouten <ed@80386.nl>
To: Daniel Thiele <dthiele@gmx.net>
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Cc: octavian.covalschi@gmail.com, freebsd-hackers@FreeBSD.ORG,
	Alexander Motin <mav@FreeBSD.org>
Subject: Re: Spin down HDD after disk sync or before power off
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* Daniel Thiele <dthiele@gmx.net> wrote:
> Looking at the numbers in the Hitachi drive specifications Tobias an I
> dug out from the Hitachi website (see replies in the Joerg Sonnenberger
> branch of this thread) the normal Load/Unload count is about 30 times
> higher than the Emergency Unload count. <snip>

Have you also looked at the definition of `emergency unload'? Maybe this
number doesn't actually refer to the number of unloads caused by power
loss, but because they detect a very high amount of vibration. But I'm
not a hard disk expert.

--=20
 Ed Schouten <ed@80386.nl>
 WWW: http://80386.nl/

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