These are 2 OS definitions and a scheduler script that are designed for the full virtualization of linux and windows systems on Ganeti.
They works good on my KVM-based production environment and provides all that you need in order to create, backup and restore instances.
Note: I was told that it works pretty good even under XEN hypervisor.
SDI is a simple and scalable system to Diagnose Instantly huge (and small) networks. It provides a way to run diagnose scripts at hosts or any other kind of script [such as a DEE], also creates a webpage containing all informations summarized.