From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Disk spin down issue on shut down/suspend to disk Date: Tue, 07 Aug 2007 15:56:43 +0900 Message-ID: <46B817AB.30105@gmail.com> References: <838f88840708051428p3d65ff42w627af4bc38f57de3@mail.gmail.com> <1186411815.4355.7.camel@nx6310> <20070806150159.GC31615@khazad-dum.debian.net> <200708061732.03425.rjw@sisk.pl> <46B75459.9020204@gmail.com> <1186424492.4355.1.camel@nx6310> <46B76BBC.9010107@gmail.com> <1186438698.4402.6.camel@nx6310> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from wa-out-1112.google.com ([209.85.146.177]:29244 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756947AbXHGG46 (ORCPT ); Tue, 7 Aug 2007 02:56:58 -0400 Received: by wa-out-1112.google.com with SMTP id v27so2040364wah for ; Mon, 06 Aug 2007 23:56:56 -0700 (PDT) In-Reply-To: <1186438698.4402.6.camel@nx6310> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Michael Sedkowski Cc: "Rafael J. Wysocki" , Henrique de Moraes Holschuh , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, linux-acpi@vger.kernel.org Michael Sedkowski wrote: > Dnia 07-08-2007, Wt o godzinie 03:43 +0900, Tejun Heo napisa=C5=82(a)= : >> Does emergency unload count increase >> after each power down?=20 >=20 > I think I got it. > Using smartctl I've done a test and shut down, then repeted the test. > The only values that where diffrent are temperatures and > Hardware_ECC_Recovered which rised by 6 points. > However I have no idea which of those is the "emergency count"... > Full results in attachment. >=20 > 192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Alw= ays - 388 I think this is the one. You can test it by forcefully powering off th= e machine (press power button for several secs or disconnect AC and battery) and see whether the count increases. --=20 tejun