OTN Developer Days - GlassFish
Java EE 6 Clustering with Glassfish 3.1
GlassFish Server 3.1: Deploying your Java EE 6 Applications
GlassFish 3.1 – Simplifying your Java EE 6 Development and Deployment @ JAX London 2011
Boston 2011 OTN Developer Days - GlassFish