@OP
You could start with an Ubuntu Server install and then add in the cluster packages afterwards. Ubuntu Server is pretty lightweight, so most of the RAM will be for your data. What kind of applications do you plan on running? This will determine your cluster topology.
You could start with an Ubuntu Server install and then add in the cluster packages afterwards. Ubuntu Server is pretty lightweight, so most of the RAM will be for your data. What kind of applications do you plan on running? This will determine your cluster topology.









