Date: Tue, 19 Sep 2006 09:50:10 +0100 From: Dominic Marks <dom@goodforbusiness.co.uk> To: freebsd-stable@freebsd.org Subject: Re: bind round robin Message-ID: <450FAF42.50401@goodforbusiness.co.uk> In-Reply-To: <20060919083955.GB87657@e-Gitt.NET> References: <450F8777.7080407@gmail.com> <20060919083955.GB87657@e-Gitt.NET>
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Oliver Brandmueller wrote: > Hi. > > On Tue, Sep 19, 2006 at 02:00:23PM +0800, pinoyskull wrote: >> One of my client's domain has multiple IPs for redundancy, i configured >> his www as such >> >> www IN A 10.10.10.10 >> www IN A 192.168.0.10 >> >> Is there a way to prioritize 10.10.10.10 over 192.168.0.10? How do i >> configure it? > > 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! > > For serious redundancy with failover and/or load balancing with a good > leveling you should consider getting a load balancer (be it hardware or > software), better two so you don't have the single point of failure > there :-) A good software load balancer which supports weighting is pen. In ports. http://siag.nu/pen /usr/ports/net/pen Dominic > - Oliver >
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