In case anyone is getting ready to work on such a thing and needs some 
direction.  I figured in a week or so Chris Wagner would be wanting to 
do this.  Just joking Chris.  I said that because you have implemented 
so many Open Source programs in recent history.

http://ask.slashdot.org/article.pl?sid=03/09/11/222240&mode=thread&tid=126&tid=137&tid=163&tid=185&t
id=198

Ask Slashdot: Open Source Database Clusters?

Posted by Cliff on Thursday September 11, @06:45PM
from the prime-time-league-contenders-yet? dept.
grugruto asks: "A lot of open source solutions are available to scale 
web sites with clusters but what about databases? I can't afford an 
Oracle RAC license but can I have something more reliable and fault 
tolerant than my single Postgres box? I have seen this recent article 
that looks promising for open source solutions. Do anyone have 
experiences with clusters of MySQL , Postgres-R, C-JDBC or other 
solutions? How does it compare to commercial products?"

-- 
" * Portions Copyright (c) 1995 Caldera, Inc.  * Neither Greg Page nor 
Caldera, Inc. admit liability nor provide * warranty for any of this 
software. This material is provided * "AS-IS" and at no charge."

Hmmm.