Do you first get your Cluster and SAN going?

This is an advanced topic. The pre-requisites are that you already have Clustered nodes setup, and then your SAN.

Then you enable your Hyper-V role on your cluster.

First refer to all rules listed in "Rules to Better Hyper-V" as these are the basics for Hyper-V.

Figure: The following rules are referring to the 2nd column on Hyper-V (this also tells you why choose Hyper-V Live Migration over VMWare VMotion)

Let's continue with the rules specially for clustering...