I actually started setting up MySQL with Galera, I have talked to others and they have has success with it and no issues. http://www.codership.com/ There is also a Cluster Monitor that you can use with it, http://www.severalnines.com/clustercontrol-mysql-galera I went through the configurator on the above site and it creates all the config files and packages for the server and all the other nodes. So far it has gone great.
Hardware and performance
MySQL Master-Master Replication
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