Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757243AbZADWjK (ORCPT ); Sun, 4 Jan 2009 17:39:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751588AbZADWi4 (ORCPT ); Sun, 4 Jan 2009 17:38:56 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:58291 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751285AbZADWiz (ORCPT ); Sun, 4 Jan 2009 17:38:55 -0500 Date: Sun, 4 Jan 2009 23:40:52 +0100 From: Pavel Machek To: Theodore Tso , Sitsofe Wheeler , Duane Griffin , Valdis.Kletnieks@vt.edu, Martin =?utf-8?Q?MOKREJ=C5=A0?= , kernel list , Andrew Morton , mtk.manpages@gmail.com, rdunlap@xenotime.net, linux-doc@vger.kernel.org Subject: Re: document ext3 requirements Message-ID: <20090104224052.GE1913@elf.ucw.cz> References: <49610911.8000204@yahoo.com> <20090104193141.GA22958@mit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090104193141.GA22958@mit.edu> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1401 Lines: 33 On Sun 2009-01-04 14:31:41, Theodore Tso wrote: > On Sun, Jan 04, 2009 at 07:08:01PM +0000, Sitsofe Wheeler wrote: > > Theodore Tso wrote: > >> So what's the use case where people want to be able to mount a > >> filesystem needing recovery read/only without running the journal? > > > > Corrupted SD card[1] that's been locked to read only for recovery > > purposes without having the FS tear itself apart further? > > In that case, the right answer is to copy the 32 GB SD card to hard > drive, and then operate on the hard drive..... In general, if the > media has started going bad, the *first* thing you want to do is an > immediate copy of the media to some place stable. Not neccessarily. If I have a bit of precious data and lot of junk on the card, I want to copy out the precious data before the card dies. Reading the whole media may just take too long. That's probably very true for rotating harddrives after headcrash... "ro, noload" seems like very acceptable solution in that case. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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/