From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263812AbTDULe7 (ORCPT ); Mon, 21 Apr 2003 07:34:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263814AbTDULe7 (ORCPT ); Mon, 21 Apr 2003 07:34:59 -0400 Received: from mail.ithnet.com ([217.64.64.8]:13843 "HELO heather.ithnet.com") by vger.kernel.org with SMTP id S263812AbTDULe6 (ORCPT ); Mon, 21 Apr 2003 07:34:58 -0400 Date: Mon, 21 Apr 2003 13:46:15 +0200 From: Stephan von Krawczynski To: vda@port.imtp.ilyichevsk.odessa.ua Cc: john@grabjohn.com, linux-kernel@vger.kernel.org Subject: Re: Are linux-fs's drive-fault-tolerant by concept? Message-Id: <20030421134615.2d5c7f8e.skraw@ithnet.com> In-Reply-To: <200304211113.h3LBDuu08057@Port.imtp.ilyichevsk.odessa.ua> References: <200304210935.h3L9ZLXc000256@81-2-122-30.bradfords.org.uk> <200304211113.h3LBDuu08057@Port.imtp.ilyichevsk.odessa.ua> Organization: ith Kommunikationstechnik GmbH X-Mailer: Sylpheed version 0.8.11 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 21 Apr 2003 14:22:01 +0300 Denis Vlasenko wrote: > On 21 April 2003 12:35, John Bradford wrote: > > > > Modern disks generally do this kind of thing themselves. By the > > > > time > > > > > > ^^^^^^^^^^^^ > > > How many times does Stephan need to say it? 'Generally do' > > > is not enough, because it means 'sometimes they dont'. > > > > OK, _ALL_ modern disks do. > > > > Name an IDE or SCSI disk on sale today that doesn't retry on write > > failiure. Forget I said 'Generally do'. > > I don't know about drives currently on sale, but I think > it is possible that some Flash or DRAM-based IDE pseudo-disks > do not have extensive sector remapping features. They can just > do ECC thing and error out. Good example. Very good example, because it shows a possibility that some part of a "drive" may be technically damaged and have _no_ influence at all on the rest of the "media". > [...] > I prefer a big fat ugly kernel printk (KERN_ERR) across my console > and all the logs: "ext3fs: write error at sector #NNNN. Marking as bad. > Your disk may be failing!" I would favor that, too. > What's wrong with me? Maybe you don't own a good color copy station for printing your own money bills ... ;-) Regards, Stephan