[CentOS] Load balancing email?
ssharma at revsharecorp.com
Wed Oct 26 21:44:19 UTC 2005
Jay Leafey wrote:
> I'm using a similar setup at work, two identical Linux boxes (with a
> pair of equal-priority MX records pointing to them) running
> Postfix/Amavisd/SpanAssassin/anti-virus feeding to another box acting as
> the POP/IMAP server. The DNS round-robin stuff does a fair job of load
> balancing but it's not perfect, I'm still looking into alternatives for
> In order to make the two servers redundant I'm using the LinuxHA
> heartbeat stuff to make one of the servers take over the IP address used
> by the other server for mail. So far it's survived several
> single-server failures without a hiccup.
How do you keep the storage synced up? NFS, drdb, GFS, ...?
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