From owner-freebsd-isp Mon Mar 24 9:49:23 2003 Delivered-To: freebsd-isp@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8D6BF37B401 for ; Mon, 24 Mar 2003 09:49:21 -0800 (PST) Received: from pandora.tiscali.nl (pandora.tiscali.nl [195.241.76.179]) by mx1.FreeBSD.org (Postfix) with ESMTP id C7D9443FB1 for ; Mon, 24 Mar 2003 09:49:20 -0800 (PST) (envelope-from eric@monkey-online.net) Received: from eric.monkey-online.net (195-241-113-9-mx.xdsl.tiscali.nl [195.241.113.9]) by pandora.tiscali.nl (Postfix) with ESMTP id F1BFE36F65; Mon, 24 Mar 2003 18:49:17 +0100 (MET) Message-Id: <5.2.0.9.0.20030324184224.04831e98@mail.monkey-online.net> X-Sender: eric@mail.monkey-online.net (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 5.2.0.9 Date: Mon, 24 Mar 2003 18:49:42 +0100 To: freebsd-isp@FreeBSD.ORG From: Eric Veraart Subject: Re: Server redundancy over 2 co-locations Cc: LConrad@Go2France.com In-Reply-To: <5.2.0.9.0.20030323164230.047f5650@mail.monkey-online.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Spam-Status: No, hits=-9.8 required=5.0 tests=EMAIL_ATTRIBUTION,IN_REP_TO autolearn=ham version=2.50 X-Spam-Level: X-Spam-Checker-Version: SpamAssassin 2.50 (1.173-2003-02-20-exp) Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org I found an example of what I want, check http://cmi.autofailover.com/Services/Index.html. Does anyone have any programs/scripts to realize this under FreeBSD? At 05:13 PM 23/3/2003 +0100, Eric Veraart wrote: >Hello, > >We currently have a few webservers at location 1, and are planning to >place backup servers at location 2. Location 1 and 2 are seperated about >200km from each other. I want location 1 as the default location, and only >put location 2 active when location 1 is down. This because location 2 is >read-only, so the databases and documents on the two locations stay >consistent. I've been looking at a few ways to achieve this; >-The world famous F5 Networks 3-DNS controller; You pay for a lot of fancy >things that I don't need, because it can ballance the connection over >multiple locations, which I don't need. >-Some sort of round-robin system, that runs on both locations (primary at >location 1 and secondary at location 2) and checks if location 1 is still >up, and otherwise points to location 2. > >I don't know if I'll get problems with TTL times, DNS caches etc with the >round-robin system, or with the 3-DNS controller. > >What are your thoughts and experiences on this subject? > >Greetings, >Eric > > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-isp" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message