How2CentOS posted a tutorial about setting up Percona XtraDB Cluster on CentOS 6.2

Percona XtraDB Cluster is a new high availability and high scalability solution for MySQL users. XtraDB Cluster integrates Percona Server with the Galera library of high availability solutions in a single product package. This is how to setup 3-node XtraDB cluster, assuming you are running CentOS Linux 6.2 64-bit.

  Install Percona XtraDB Cluster on CentOS 6.2