Date: Thu, 5 Mar 2009 22:28:07 +0100 From: Ed Schouten <ed@80386.nl> To: Daniel Thiele <dthiele@gmx.net> 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 Message-ID: <20090305212807.GC19161@hoeg.nl> In-Reply-To: <49B04281.2030406@gmx.net> References: <200903041938.n24Jcqdr060153@lurza.secnetix.de> <49AF1C1B.3050604@gmx.net> <49AF9381.50709@FreeBSD.org> <49B04281.2030406@gmx.net>
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--VjDX8kooLh5gCtu2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable * 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/ --VjDX8kooLh5gCtu2 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkmwQ+cACgkQ52SDGA2eCwUI9ACfWCeMMEj+qQ4jjYovq9bt9i5i doQAn3elUAx08Rhbthx9p8z1oP01Tb/8 =UuTQ -----END PGP SIGNATURE----- --VjDX8kooLh5gCtu2--
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