Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 17 Jul 2002 15:01:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 17 Jul 2002 15:01:39 -0400 Received: from h24-67-14-151.cg.shawcable.net ([24.67.14.151]:32756 "EHLO webber.adilger.int") by vger.kernel.org with ESMTP id ; Wed, 17 Jul 2002 15:01:39 -0400 From: Andreas Dilger Date: Wed, 17 Jul 2002 13:02:59 -0600 To: linux-kernel@vger.kernel.org Subject: Re: [ANNOUNCE] Ext3 vs Reiserfs benchmarks Message-ID: <20020717190259.GA31503@clusterfs.com> Mail-Followup-To: linux-kernel@vger.kernel.org References: <20020716124956.GK7955@tahoe.alcove-fr> <20020716153926.GR7955@tahoe.alcove-fr> <20020716194542.GD22053@merlin.emma.line.org> <20020716150422.A6254@q.mn.rr.com> <20020716161158.A461@shookay.newview.com> <20020716152231.B6254@q.mn.rr.com> <20020717114501.GB28284@merlin.emma.line.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020717114501.GB28284@merlin.emma.line.org> User-Agent: Mutt/1.3.28i X-GPG-Key: 1024D/0D35BED6 X-GPG-Fingerprint: 7A37 5D79 BF1B CECA D44F 8A29 A488 39F5 0D35 BED6 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1126 Lines: 27 On Jul 17, 2002 13:45 +0200, Matthias Andree wrote: > On Tue, 16 Jul 2002, Shawn wrote: > > In this case, can you use a RAID mirror or something, then break it? > > > > Also, there's the LVM snapshot at the block layer someone already > > mentioned, which when used with smaller partions is less overhead. > > (less FS delta) > > All these "solutions" don't work out, I cannot remount R/O my partition, > and LVM low-level snapshots or breaking a RAID mirror simply won't work > out. I would have to remount r/o the partition to get a consistent image > in the first place, so the first step must fail already... Have you been reading my emails at all? LVM snapshots DO ensure that the snapshot filesystem is consistent for journaled filesystems. Cheers, Andreas -- Andreas Dilger http://www-mddsp.enel.ucalgary.ca/People/adilger/ http://sourceforge.net/projects/ext2resize/ - 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/