Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754703AbXKJUZZ (ORCPT ); Sat, 10 Nov 2007 15:25:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753833AbXKJUZQ (ORCPT ); Sat, 10 Nov 2007 15:25:16 -0500 Received: from smtpout06-04.prod.mesa1.secureserver.net ([64.202.165.227]:33882 "HELO smtpout06.prod.mesa1.secureserver.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1753763AbXKJUZO (ORCPT ); Sat, 10 Nov 2007 15:25:14 -0500 Message-ID: <473613A5.6000004@seclark.us> Date: Sat, 10 Nov 2007 15:25:09 -0500 From: Stephen Clark Reply-To: Stephen.Clark@seclark.us User-Agent: Mozilla/5.0 (X11; U; Linux 2.2.16-22smp i686; en-US; m18) Gecko/20010110 Netscape6/6.5 X-Accept-Language: en-us, en MIME-Version: 1.0 To: "Maciej W. Rozycki" CC: Alberto Gonzalez , Linux Kernel Mailing List Subject: Re: Laptop's HDD References: <200711040002.25784.info@gnebu.es> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1695 Lines: 54 Maciej W. Rozycki wrote: >On Sun, 4 Nov 2007, Alberto Gonzalez wrote: > > > >>The problem comes from a very high rate of load/unload cycles of the heads >>that reaches the 300.000-600.000 limit in 2-3 years (with smartmontools it >>can checked it with "smartctl -A /dev/sda") . There are reports of HDD dying >>even earlier for this problem [2] >> >> > > I use: > ># hdparm -B 255 /dev/hda > >to get rid of the problem with an ATA disk where I do not care that much >about power consumption. I do not know what the equivalent for a SATA >disk would be, but chances are it will be easier to track it down with the >reference above. > > Maciej >- >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/ > > > My laptop harddrive is only a little over a year old and it has a cycle count of 193 Load_Cycle_Count 0x0012 021 021 000 Old_age Always - 795931 it was going up a few counts everytime I ran the smartctl -A command. It quit incrementing after I did the hdparm -B 255 command. -- "They that give up essential liberty to obtain temporary safety, deserve neither liberty nor safety." (Ben Franklin) "The course of history shows that as a government grows, liberty decreases." (Thomas Jefferson) - 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/