Mail Replication

Chuck Swiger cswiger at mac.com
Mon May 15 05:48:27 PDT 2006


Vampire D wrote:
> Any advice / suggestions would be great.  We are trying to build a
> completely automated fail over solution for two servers using Apache, 
> mySQL,
> PHP, and Postfix within a small monthly budget.

If your budget is less than $10K, don't even bother to try to set up a 
fault-tolerant cluster; you're better off spending more on a 
high-quality single machine with RAID-1 or -10 disk config, hot spare 
drive, and dual power supplies...and tape backup, most importantly.

Trying to implement a highly reliable cluster on cheap hardware is 
almost certainly going to prove futile or even counterproductive.  How 
are you going to handle a split-horizon condition?

-- 
-Chuck



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