From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757337AbYDBOXR (ORCPT ); Wed, 2 Apr 2008 10:23:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754310AbYDBOXF (ORCPT ); Wed, 2 Apr 2008 10:23:05 -0400 Received: from lazybastard.de ([212.112.238.170]:51872 "EHLO longford.logfs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753073AbYDBOXE (ORCPT ); Wed, 2 Apr 2008 10:23:04 -0400 Date: Wed, 2 Apr 2008 16:22:45 +0200 From: =?utf-8?B?SsO2cm4=?= Engel To: Tomasz Chmielewski Cc: Artem Bityutskiy , LKML , penberg@cs.helsinki.fi, ext-adrian.hunter@nokia.com, jwboyer@gmail.com, w@1wt.eu, "H. Peter Anvin" Subject: Re: UBIFS vs Logfs (was [RFC PATCH] UBIFS - new flash file system) Message-ID: <20080402142245.GA18017@logfs.org> References: <47F1EC20.6050600@wpkg.org> <47F1F644.4060000@yandex.ru> <47F202D9.20405@wpkg.org> <47F2071A.6010406@yandex.ru> <47F39575.40006@wpkg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <47F39575.40006@wpkg.org> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2 April 2008 16:17:25 +0200, Tomasz Chmielewski wrote: > > [1] Well, it didn't die, really. Once I removed the file which was > showing I/O errors and did "dd if=/dev/zero of=bigfile", there are no > badblocks anymore - probably remapped. Could have been soft errors. Heaven knows how those devices report uncorrectable errors, but claiming the block to be bad is a good guess. Once blocks with uncorrectable errors are rewritten (the physical blocks, not what the device reports), they are perfectly usable again. Jörn -- They laughed at Galileo. They laughed at Copernicus. They laughed at Columbus. But remember, they also laughed at Bozo the Clown. -- unknown