From owner-freebsd-questions@FreeBSD.ORG Sun Jul 15 21:48:26 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 05D291065672 for ; Sun, 15 Jul 2012 21:48:26 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from mx02.qsc.de (mx02.qsc.de [213.148.130.14]) by mx1.freebsd.org (Postfix) with ESMTP id B62428FC1A for ; Sun, 15 Jul 2012 21:48:25 +0000 (UTC) Received: from r56.edvax.de (port-92-195-22-218.dynamic.qsc.de [92.195.22.218]) by mx02.qsc.de (Postfix) with ESMTP id 98B3A241EC; Sun, 15 Jul 2012 23:48:18 +0200 (CEST) Received: from r56.edvax.de (localhost [127.0.0.1]) by r56.edvax.de (8.14.5/8.14.5) with SMTP id q6FLmH38002873; Sun, 15 Jul 2012 23:48:17 +0200 (CEST) (envelope-from freebsd@edvax.de) Date: Sun, 15 Jul 2012 23:48:17 +0200 From: Polytropon To: Wojciech Puchar Message-Id: <20120715234817.fcfb1489.freebsd@edvax.de> In-Reply-To: References: <64329.1342378317@tristatelogic.com> <20120715214823.679eb23d.freebsd@edvax.de> <20120715162333.45b82082@scorpio> Organization: EDVAX X-Mailer: Sylpheed 3.1.1 (GTK+ 2.24.5; i386-portbld-freebsd8.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: FreeBSD Subject: Re: fsck on FAT32 filesystem? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Polytropon List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 15 Jul 2012 21:48:26 -0000 On Sun, 15 Jul 2012 23:29:39 +0200 (CEST), Wojciech Puchar wrote: > > totally in error. SpinRite will attempt to read a damage sector up to > > 2000 times and through different algorithms determine what is most > > man dd > > conv=sync,noerror Even though it doesn't use different algorithms, programs like dd_rescue and ddrescue can also change the block size upon encountering read errors, and apply several cycles of read attempts. In worst case, there will be "gaps" in the result. Surely SpinRite is "more clever" than that, using some means to "extrapolate" the missing data. http://www.garloff.de/kurt/linux/ddrescue/ http://www.gnu.org/software/ddrescue/ddrescue.html -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...