From owner-freebsd-questions Fri May 12 5:35:38 2000 Delivered-To: freebsd-questions@freebsd.org Received: from mail2.wmptl.com (mail2.wmptl.com [216.221.73.131]) by hub.freebsd.org (Postfix) with ESMTP id F225937B575 for ; Fri, 12 May 2000 05:35:31 -0700 (PDT) (envelope-from webmaster@wmptl.com) Received: from wmptl.com ([10.0.0.168]) by mail2.wmptl.com (8.9.3/8.9.3) with ESMTP id IAA07799; Fri, 12 May 2000 08:51:46 -0400 (EDT) (envelope-from webmaster@wmptl.com) Message-ID: <391BFAB3.252E7DC5@wmptl.com> Date: Fri, 12 May 2000 08:36:03 -0400 From: Nathan Vidican Reply-To: webmaster@wmptl.com Organization: Windsor Match Plate & Tool Ltd. X-Mailer: Mozilla 4.72 [en] (Win95; I) X-Accept-Language: en MIME-Version: 1.0 To: shup@netzmarkt.de Cc: freebsd-questions@freebsd.org Subject: Re: Clustering FreeBSD References: <391B0758.5F0D758C@wmptl.com> <20000512121410.B21495@sirius.hq.netzmarkt.de> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG We're using 3COM Linkbuilder FMS II (10baseT) hubs, with a single management module, in the first hub, of a cascading array of hubs. The setup is done from within the hub's management software, (via telnet to an IP address, or a serial link - kinda like a router), there are quite a few options you can use, visit 3Com's site and read the help pages on the hub's management. (note, if the hub with the management module dies...you're gonna be screwed unless you've got another on hand). Sven Huster wrote: > > On Thu, May 11, 2000 at 03:17:44PM -0400, Nathan Vidican wrote: > > There are many different ways you can approach this. I'll give you my > > two suggestions, but I'd be curious as to what you do end up using? > > First off- (this is something we actually implement) you could use a > > managed hub to setup resilient port pools, wherein two identical > > mirrored machines (both assuming the same IP address) are connected to > > say port one, and port 12 of the hub; when the hub detects a loss of > > link, or a poor link status (user defined 'poor'), it disconnects one > > machine and connects the other. We're utilizing this concept on our > > radius boxes, because it allows us to reboot them daily without any > > interuption in service (one at noon, one at midnight kinda deal). > > Hi there, > > can you please tell more about this or point me to some useful info? > which hub does support this? > > is it possible to switch over by hand/script, if one maschine fails but the network still up? > > thanks > sven > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message -- Nathan Vidican webmaster@wmptl.com Windsor Match Plate & Tool Ltd. http://www.wmptl.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message