Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934447AbXHHOJ1 (ORCPT ); Wed, 8 Aug 2007 10:09:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763046AbXHHOJE (ORCPT ); Wed, 8 Aug 2007 10:09:04 -0400 Received: from rtr.ca ([64.26.128.89]:3745 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759661AbXHHOJA (ORCPT ); Wed, 8 Aug 2007 10:09:00 -0400 Message-ID: <46B9CE79.5030307@rtr.ca> Date: Wed, 08 Aug 2007 10:08:57 -0400 From: Mark Lord User-Agent: Thunderbird 2.0.0.6 (X11/20070728) MIME-Version: 1.0 To: Tejun Heo Cc: Michael Sedkowski , trenn@suse.de, Robert Hancock , "Rafael J. Wysocki" , Henrique de Moraes Holschuh , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, linux-acpi@vger.kernel.org Subject: Re: Disk spin down issue on shut down/suspend to disk References: <46B7AF53.1040307@shaw.ca> <46B8140E.3000509@gmail.com> <1186497925.8780.78.camel@queen.suse.de> <1186514618.5622.9.camel@nx6310> <46B9307D.3000105@gmail.com> In-Reply-To: <46B9307D.3000105@gmail.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1250 Lines: 33 Tejun Heo wrote: > Michael Sedkowski wrote: >> Dnia 07-08-2007, Wt o godzinie 03:43 +0900, Tejun Heo napisał(a): >>> Does emergency unload count increase >>> after each power down? >> 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. >> >> 192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 388 > > I think this is the one. You can test it by forcefully powering off the > machine (press power button for several secs or disconnect AC and > battery) and see whether the count increases. FWIW, Tejun, with 2.6.22, my new Seagate 160GB SATA drive (notebook) increments the "Power-Off_Retract_Count" on each suspend-to-RAM operation. It does not do any double spin-up/spin-down things though. What a mess. -ml - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/