Storage is one of the most expensive parts of a desktop virtualization project and as a result anything you can do to drive cost out of the storage purchase is going to make it work better. The theory goes that local storage is less expensive and an easier to implement solution for the virtual desktop project. But when you weigh what you give up by not going to shared storage and how you have to configure local storage to provide users with a respectable desktop experience, it’s not quite the deal it sounds like.”]
Source: https://www.darkreading.com/database-security/desktop-virtualization-and-local-storage—just-say-no