From owner-freebsd-isp  Mon Jul 30  6:45:51 2001
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Date: Mon, 30 Jul 2001 15:45:47 +0200 (CEST)
From: =?iso-8859-1?q?Fabrizio=20Ravazzini?= <freefabri@yahoo.it>
Subject: Re: FreeBSD Mail Toaster CLUSTER
To: Chris Shenton <chris@shenton.org>
Cc: freebsd-isp@freebsd.org
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So I understood that's better Two MX with
balance.sourceforge.net wich shares the same Raid Disk
Array for the Maildirs?

 --- Chris Shenton <chris@shenton.org> ha scritto: >
Fabrizio Ravazzini <freefabri@yahoo.it> writes:
> 
> > > Replacing the vqalive software with some load
> > > balancing with failover
> > > mechanisms, such as balance
> > > (http://balance.sourceforge.net) or any of
> > > the commercial products.
> > 
> > And for balance.sourceforge.net, does it shares a
> > single Ip?
> 
> What's the point of the VQalive box? It seems to me
> it introduces
> another single point of failure. Perhaps if you had
> two of them and
> used VRRPd you'd avoid the SPOF.
> 
> But really, if you eliminate the VQalive box and set
> both MX boxes are
> equal-weights in the DNS, then inbound mail will
> automatically
> load-balance to them.
> 
> I guess I don't see the added value of the VQalive
> box and only see a
> negative.  

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