I've got 73 vms running on a production hypervisor (lvm-backed storage) and using their methods it's averaging 433.1 GiB/day over the disks for the VM storage.

I've got 73 vms running on a production hypervisor (lvm-backed storage) and using their methods it's averaging 433.1 GiB/day over the disks for the VM storage. I don't know how they're managing double that hosting a blog.