Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030448AbVIVRDv (ORCPT ); Thu, 22 Sep 2005 13:03:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030450AbVIVRDv (ORCPT ); Thu, 22 Sep 2005 13:03:51 -0400 Received: from [195.209.228.254] ([195.209.228.254]:27578 "EHLO shelob.oktetlabs.ru") by vger.kernel.org with ESMTP id S1030448AbVIVRDu (ORCPT ); Thu, 22 Sep 2005 13:03:50 -0400 Message-ID: <4332E3F5.3040905@yandex.ru> Date: Thu, 22 Sep 2005 21:03:49 +0400 From: "Artem B. Bityutskiy" User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050513 Fedora/1.7.8-1.3.1 X-Accept-Language: en, ru, en-us MIME-Version: 1.0 To: Valdis.Kletnieks@vt.edu Cc: Pavel Machek , J Engel , Peter Menzebach , linux-kernel Subject: Re: data loss on jffs2 filesystem on dataflash References: <432817FF.10307@yandex.ru> <4329251C.7050102@mw-itcon.de> <4329288B.8050909@yandex.ru> <43292AC6.40809@mw-itcon.de> <43292E16.70401@yandex.ru> <43292F91.9010302@mw-itcon.de> <432FE1EF.9000807@yandex.ru> <432FEF55.5090700@mw-itcon.de> <433006D8.4010502@yandex.ru> <20050920133244.GC4634@wohnheim.fh-wedel.de> <20050921190759.GC467@openzaurus.ucw.cz> <43328C07.9070001@yandex.ru> <200509221646.j8MGkYo3017314@turing-police.cc.vt.edu> In-Reply-To: <200509221646.j8MGkYo3017314@turing-police.cc.vt.edu> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1044 Lines: 25 Valdis.Kletnieks@vt.edu wrote: > On Thu, 22 Sep 2005 14:48:39 +0400, "Artem B. Bityutskiy" said: > >>Joern meant that if HDD starts a block write operation, it will >>accomplish it even if power-fail happens (probably there are some >>capacitors there). So, it is impossible, say, that HDD has written one >>half of a sector and has not written the other half. > > Hard drives contain capacitors to prevent writing of runt sectors on > a powerfail? Didn't we go around this a while ago and decide it's mostly > urban legend, and that plenty of people have seen runt/bad sectors? No idea. But theoretically it should be so, at least "good" drives should. May be a competent person will comment on this, that's quite interesting. -- Best Regards, Artem B. Bityuckiy, St.-Petersburg, Russia. - 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/