> 2) lookup fails. It's already possible; e.g. if server has I think that's the sanest option. The other options seem even less intuitive. > not fatal. The trouble is, that won't be a transient failure - > not until somebody tries to look the old location up. Eh, nfs semantics are quite special anyway already. I'd rather have that in lookup than more magic involving moving mounts around or having them disappear (Yes, we have the detach semantics on removal but that's different.).