multiple CNAMEs revisited

[Klaus Johannes Rusch]

CS wrote:

> I need to add two more smaller servers to this cluster, so I'd like to
> alter the weighting in DNS.  Again, I understand DNS is not meant to
> solve these problems, but in this case, it could solve them very well
> if the above config was legal (or if there was a config option to
> allow the "illegal" behaviour).
> 
> So given the current constraints, what is a good workaround?  I've
> looked at load-balancing tools, and frankly this is a better solution;
> I don't want to rely on one piece of software; DNS in this case has a
> good deal of built-in redundancy.

Assign an alias to the larger server's interface so you have two IP 
addresses for the larger server, and one for the smaller.

spamd	IN	A	10.0.0.1	# server1
spamd	IN	A	10.0.0.2	# server1
spamd	IN	A	10.0.1.1	# small server2

-- 
Klaus Johannes Rusch
KlausRusch at atmedia.net
http://www.atmedia.net/KlausRusch/