Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 17 Jul 2002 07:44:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 17 Jul 2002 07:44:16 -0400 Received: from krusty.dt.E-Technik.Uni-Dortmund.DE ([129.217.163.1]:23815 "EHLO mail.dt.e-technik.uni-dortmund.de") by vger.kernel.org with ESMTP id ; Wed, 17 Jul 2002 07:44:14 -0400 Date: Wed, 17 Jul 2002 13:47:09 +0200 From: Matthias Andree To: linux-kernel@vger.kernel.org Subject: Re: [ANNOUNCE] Ext3 vs Reiserfs benchmarks Message-ID: <20020717114708.GC28284@merlin.emma.line.org> Mail-Followup-To: linux-kernel@vger.kernel.org References: <20020716193831.GC22053@merlin.emma.line.org> <20020716210639.GC30235@merlin.emma.line.org> <20020716212322.GT442@clusterfs.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020716212322.GT442@clusterfs.com> User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 854 Lines: 19 On Tue, 16 Jul 2002, Andreas Dilger wrote: > This is all done already for both LVM and EVMS snapshots. The filesystem > (ext3, reiserfs, XFS, JFS) flushes the outstanding operations and is > frozen, the snapshot is created, and the filesystem becomes active again. > It takes a second or less. Then dump will guarantee 100% correct backups > of the snapshot filesystem. You would have to do a backup on the snapshot > to guarantee 100% correctness even with tar. Sure. On some machines, they will go with dsmc anyhow which reads the file and rereads if it changes under dsmc's hands. -- Matthias Andree - 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/