From owner-freebsd-stable@FreeBSD.ORG Tue Sep 19 17:52:19 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1212616A417 for ; Tue, 19 Sep 2006 17:52:19 +0000 (UTC) (envelope-from dougb@FreeBSD.org) Received: from mail2.fluidhosting.com (mx24.fluidhosting.com [204.14.89.7]) by mx1.FreeBSD.org (Postfix) with SMTP id 86E0843D77 for ; Tue, 19 Sep 2006 17:52:18 +0000 (GMT) (envelope-from dougb@FreeBSD.org) Received: (qmail 23386 invoked by uid 399); 19 Sep 2006 17:52:17 -0000 Received: from localhost (HELO ?192.168.0.3?) (dougb@dougbarton.us@127.0.0.1) by localhost with SMTP; 19 Sep 2006 17:52:17 -0000 Message-ID: <45102E4E.80600@FreeBSD.org> Date: Tue, 19 Sep 2006 10:52:14 -0700 From: Doug Barton Organization: http://www.FreeBSD.org/ User-Agent: Thunderbird 1.5.0.7 (X11/20060917) MIME-Version: 1.0 To: freebsd-stable@freebsd.org References: <450F8777.7080407@gmail.com> <20060919083955.GB87657@e-Gitt.NET> In-Reply-To: <20060919083955.GB87657@e-Gitt.NET> X-Enigmail-Version: 0.94.1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: bind round robin X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Sep 2006 17:52:19 -0000 Oliver Brandmueller wrote: > > DNS round robin is not about redundancy, the only thing you could have > that way is a kind of load balancing (not the most sophisticated way, > though). Whenever one of the servers fails, around half of the requests > still goes there and then times out/gets conn refused or whatever the > problem is. Prioritizing is not easily possible. Probably it helps if > you add one of the IPs more often to the set, but I never tried that and > did not read the docs on this topic, so before breaking your zone first > read the specs, if this works! Just replying to this bit first, in BIND it does not work to specify the same IP address multiple times for the same hostname. The server will collapse the duplicates into one unique entry when it reads the zone. I am not aware of any other authoritative name server for which this would work either. FYI, Doug -- This .signature sanitized for your protection