From owner-freebsd-cluster@FreeBSD.ORG Tue Feb 10 05:45:19 2004 Return-Path: Delivered-To: freebsd-cluster@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3F8F516A4CE for ; Tue, 10 Feb 2004 05:45:19 -0800 (PST) Received: from otter3.centtech.com (moat3.centtech.com [207.200.51.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id EA9C843D1F for ; Tue, 10 Feb 2004 05:45:18 -0800 (PST) (envelope-from anderson@centtech.com) Received: from centtech.com (neutrino.centtech.com [10.177.171.220]) by otter3.centtech.com (8.12.3/8.12.3) with ESMTP id i1ADjIE8060295; Tue, 10 Feb 2004 07:45:18 -0600 (CST) (envelope-from anderson@centtech.com) Message-ID: <4028E051.2010507@centtech.com> Date: Tue, 10 Feb 2004 07:44:49 -0600 From: Eric Anderson User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.6) Gecko/20040205 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Andy Sporner References: <187a6c3bb6bd5002259b39e485140752@202.157.183.139> <4028A614.8030103@nentec.de> <20040210015115.C17961@knight.ixsystems.net> <1076410247.1150.28.camel@ip16.ops.uk.psi.com> <4028CC66.80300@nentec.de> In-Reply-To: <4028CC66.80300@nentec.de> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-cluster Subject: Re: Clustering with FreeBSD X-BeenThere: freebsd-cluster@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Clustering FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Feb 2004 13:45:19 -0000 Andy Sporner wrote: > Hi, > > It is a different subject and I sort of hate threads that are misleading. > > So far it hasn't happened yet, but before it can. :-) The clustering that > I am offering is *NOT* Beowulf-like. It is more geared towards > Internet Application HA. In other words--server X dies, what should > server Y and Z do to make sure that the stuff on server X does not have > to wait for server X to recover. > > Somewhere else on my site I have a utility called FREP. In my test > area in my lab I have the two things integrated. > There is in Linux-Land a thing called sometime like "Remote raw > disk" (can't remember specifically what it is called) but it gives a > local device node for a remote device on another machine. > > What FREP does (at the moment only in the lab) is to syncronize > access to directories and replicate the changes done by the nodes. > The idea is to be able to have a 2-3 nodes running mail servers with > the spool directories replicated (locking is on the file basis). A > load balancer goes on the front and with this you have a scalabale > Mail server that is fault resiliant. > > A lot of people in the academic community are worried about > Beowulf and for correct reason, but there is an often neglected area > which is where Micro$oft is winning in the moment and that is > in the business end of the house. Andy - this sounds really cool. I've been looking for a solution like this for some time. I can't explain what a cool feature this would be for FreeBSD. This allows all kinds of incredible fault tolerant systems, and for me, is essential. Is this code ready for people to play with? Are you putting is under the BSDL or GPL? More info!! :) Eric -- ------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Today is the tomorrow you worried about yesterday. ------------------------------------------------------------------