In a healthy shared cluster, what behaviour is expected of the FSVMs when a host...

All FSVMS are configured with affinity on their local host and cannot be restarted on other hosts.

All FSVMs are running on a single host and will be restarted on the remaining hosts.

Each FSVM runs on its own host along with user VMs and will be restarted on an available host

Each FSVM runs on its own host and affinity rules ensure they can be restarted on another host.