From owner-freebsd-fs@FreeBSD.ORG Sat Apr 21 10:02:52 2007 Return-Path: X-Original-To: freebsd-fs@freebsd.org Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 46A6516A40B for ; Sat, 21 Apr 2007 10:02:52 +0000 (UTC) (envelope-from ticso@cicely12.cicely.de) Received: from raven.bwct.de (raven.bwct.de [85.159.14.73]) by mx1.freebsd.org (Postfix) with ESMTP id CA65013C4C1 for ; Sat, 21 Apr 2007 10:02:51 +0000 (UTC) (envelope-from ticso@cicely12.cicely.de) Received: from cicely5.cicely.de ([10.1.1.7]) by raven.bwct.de (8.13.4/8.13.4) with ESMTP id l3LA2n4g025601; Sat, 21 Apr 2007 12:02:50 +0200 (CEST) (envelope-from ticso@cicely12.cicely.de) Received: from cicely12.cicely.de (cicely12.cicely.de [10.1.1.14]) by cicely5.cicely.de (8.13.4/8.13.4) with ESMTP id l3LA2Ycd018465 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 21 Apr 2007 12:02:35 +0200 (CEST) (envelope-from ticso@cicely12.cicely.de) Received: from cicely12.cicely.de (localhost [127.0.0.1]) by cicely12.cicely.de (8.13.4/8.13.3) with ESMTP id l3LA2YXN066281; Sat, 21 Apr 2007 12:02:34 +0200 (CEST) (envelope-from ticso@cicely12.cicely.de) Received: (from ticso@localhost) by cicely12.cicely.de (8.13.4/8.13.3/Submit) id l3LA2YYJ066280; Sat, 21 Apr 2007 12:02:34 +0200 (CEST) (envelope-from ticso) Date: Sat, 21 Apr 2007 12:02:34 +0200 From: Bernd Walter To: Eric Anderson Message-ID: <20070421100233.GE64413@cicely12.cicely.de> References: <20070420232209.G4559@nux.eros.office> <20070421000029.N4559@nux.eros.office> <20070421000805.GA64413@cicely12.cicely.de> <20070421011716.B4559@nux.eros.office> <20070421010734.GD64413@cicely12.cicely.de> <20070421021529.R16230@nux.eros.office> <4629711B.9070902@freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4629711B.9070902@freebsd.org> X-Operating-System: FreeBSD cicely12.cicely.de 5.4-STABLE alpha User-Agent: Mutt/1.5.9i X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED=-1.8, BAYES_00=-2.599 autolearn=ham version=3.1.7 X-Spam-Checker-Version: SpamAssassin 3.1.7 (2006-10-05) on cicely12.cicely.de Cc: freebsd-fs@freebsd.org, Mike Wolman , ticso@cicely.de Subject: Re: lazy mirror / live backup X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: ticso@cicely.de List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 21 Apr 2007 10:02:52 -0000 On Fri, Apr 20, 2007 at 09:04:11PM -0500, Eric Anderson wrote: > On 04/20/07 20:25, Mike Wolman wrote: > > > >On Sat, 21 Apr 2007, Bernd Walter wrote: > > > >>On Sat, Apr 21, 2007 at 01:38:31AM +0100, Mike Wolman wrote: > > > >Yea i use rsync and snapshots quite a bit, but unfortunately rsync works > >at the filesystem level so you cant really get a bootable image of the > >whole device. It would be nice if this could be done without user > >interaction, ie if the ggatec component of a mirror disappears and > >reappears gmirror justs gets to work syncing things up. > > rsync and it's like are great tools, but traversing the tree every time > is not only slow and heavy handed, but it takes an enormous amount of > memory (akin to fsck) for large file systems. rsync isn't the right > tool for lazy syncing. Thich file tree? I was talking about a snapshot, which is a single file. -- B.Walter http://www.bwct.de http://www.fizon.de bernd@bwct.de info@bwct.de support@fizon.de