This is all part of why I dislike unRAID. Not only do they offer literally nothing that I can tell of value, but they act like a bunch of normal features are special. They pretend that they are doing something special with KVM and Docker and RAID 4 - all things that you already have in equal or superior form, for free, with an enterprise Linux distro. Install Fedora for free, and you have a simpler, safer, more powerful alternative to unRAID that is only upsides, I think. More power, less effort, less cost, easier to support, easier to get support.