Combining Virtual SAN and VMware Horizon View offers several unique benefits to any environment. Virtual SAN uses local storage on your hosts that is often overlooked in favor of shared storage. It allows administrators to purchase hosts and grow the cluster on demand incrementally as our environment grows. We can build a cluster without costly SAN or NAS infrastructure. We can purchase hosts with only local storage. We get significant performance benefits from the hybrid flash architecture when used with VMware Horizon View. Reads from a link-cloned image are almost always cached on the SSD since multiple VMs will be requesting the same data frequently. In practice, we can get a read cache hit rate as high as 90%.

https://www.vmware.com/files/pdf/products/vsan/VMware-VSAN-5.5-Evaluations-k.pdf

Pictured in the following illustration is a typical deployment of Virtual SAN with three hosts. We depict three disk groups (one for each host). Virtual SAN automatically...