linux-kernel - Re: Loud "pop" coming from hard drive on reboot

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Message-ID: <20070414105255.GB9157@ucw.cz>
Date:	Sat, 14 Apr 2007 10:52:56 +0000
From:	Pavel Machek <pavel@....cz>
To:	Chuck Ebbert <cebbert@...hat.com>
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-ide@...r.kernel.org
Subject: Re: Loud "pop" coming from hard drive on reboot


Hi!

> When I reboot my notebook, it powers off and powers back on.
> On poweroff a loud snapping noise seems to be coming from the
> hard drive. Today I noticed there is no "shutdown: hda" on
> the console when I reboot. Whne I do a normal poweroff the
> message is displayed and there is no noise. Should the IDE
> code be changed so it always shuts down the drive?

Well... most machines have reboot handling where they do not cut power
to disk drive. That means that shutting down their hdds would
unneccessarily wear their drives.

...while we unneccessarily wear *your* drive :-(.

How common are notebooks that cut power to disks during reboot?
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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