StarWind VSAN merges your entire cluster (Xen hypervisor + any other hypervisor or non-hypervisor-managed) into a unified resilient environment. It allows utilizing all of the available IT resources to the fullest, enabling 100% out of your underlying storage capacity. All of your partitions, applications, and other workloads will be available and secure at all times.
Xen Project hypervisor is a unique product that comes as the only open-source bare-metal hypervisor on the market. Being a type-1 hypervisor, the Xen software can run several instances of an OS or even different OS in parallel on a single host. Xen Project can be the foundation for various applications, like IaaS, desktop virtualization, hardware appliances, server virtualization, security application, automotive, and such. Thus, Xen offers really powerful compute capabilities.