they can but ceph is more targeted to run with commodity hardware. usually u want more ceph nodes with cheap hardware than better hardware with less nodes

I think they are targeting ceph. ceph usually wants a switched network afaik

actually when a plane runs out of fuel it doesn't drop out of the sky, a trained pilot can glide the plane down (eg Hudson River landing ) mow if u r on a highway and u run out of fuel the car behind u might hit u