From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S271734AbTGXUzW (ORCPT ); Thu, 24 Jul 2003 16:55:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271737AbTGXUzW (ORCPT ); Thu, 24 Jul 2003 16:55:22 -0400 Received: from adsl-67-114-19-186.dsl.pltn13.pacbell.net ([67.114.19.186]:17312 "HELO adsl-63-202-77-221.dsl.snfc21.pacbell.net") by vger.kernel.org with SMTP id S271734AbTGXUzP (ORCPT ); Thu, 24 Jul 2003 16:55:15 -0400 Message-ID: <3F204B3B.3040802@tupshin.com> Date: Thu, 24 Jul 2003 14:10:19 -0700 From: Tupshin Harper User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.5a) Gecko/20030710 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Nikita Danilov CC: Daniel Egger , Hans Reiser , linux-kernel@vger.kernel.org, reiserfs mailing list Subject: Re: Reiser4 status: benchmarked vs. V3 (and ext3) References: <3F1EF7DB.2010805@namesys.com> <1059062380.29238.260.camel@sonja> <16160.4704.102110.352311@laputa.namesys.com> In-Reply-To: <16160.4704.102110.352311@laputa.namesys.com> 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 Nikita Danilov wrote: >Daniel Egger writes: > > > > How failsafe is it to switch off the power several times? When the > > filesystem really works atomically I should have either the old or the > > new version but no mixture. Does it still need to fsck or is the > > transaction replay done at mount time? In case one still needs fsck, > > what's the probability of needing user interaction? How long does it > > need to get a filesystem back into a consistent state after a powerloss > > (approx. per MB/GB)? > >I should warn everybody that reiser4 is _highly_ _experimental_ at this >moment. Don't use it for production. > I'd like to ask this question differently: How failsafe is reiserfs4 *theoretically*. Assuming no bugs in implementation, what is the true import of its atomic nature? Strengths and potential weaknesses? -Thanks -Tupshin