From owner-freebsd-questions@FreeBSD.ORG Fri Jun 25 08:35:21 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CF2F816A4CF for ; Fri, 25 Jun 2004 08:35:21 +0000 (GMT) Received: from cherub.home.volker.de (pD9E1C242.dip.t-dialin.net [217.225.194.66]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2CD7E43D5C for ; Fri, 25 Jun 2004 08:35:18 +0000 (GMT) (envelope-from freebsd@secspace.de) Received: from cherub.home.volker.de (localhost [127.0.0.1]) i5P8c696001003 for ; Fri, 25 Jun 2004 10:38:07 +0200 (CEST) (envelope-from freebsd@secspace.de) Date: Fri, 25 Jun 2004 10:38:06 +0200 From: Volker Kindermann To: freebsd-questions@freebsd.org Message-Id: <20040625103806.40dfda61@cherub.home.volker.de> In-Reply-To: <20040621132006.2b1a296f.wmoran@potentialtech.com> References: <20040621132006.2b1a296f.wmoran@potentialtech.com> X-Mailer: Sylpheed version 0.9.11claws (GTK+ 1.2.10; i386-portbld-freebsd5.2.1) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: What's the best possible email failover solution X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Jun 2004 08:35:21 -0000 Hi Bill, > I know how to set up failover with a backup MX. That's not what I'm > looking for. We have a cyrus-imap server with lots of users > connecting via IMAP, while everything gets backed up, this only > happens once a night. Thus, if the server were to go up in smoke > right before the backup occurred, we'd lose something like 23 hours > worth of emails. have you thought of using distributed filesystems like afs or intermezzo? I did some research on this a few years ago and at that time they were way off from using in a production environment. But they improved certainly and perhaps it's exactly what you're looking for. -volker