[js2]

This is not the fault of NFS. The same thing would happen if a local filesystem suddenly went missing. The kernel treats NFS mounts as just another filesystem. You can in fact mount shares as soft or interruptible if you want.

https://kb.netapp.com/Advice_and_Troubleshooting/Data_Storag...

[dikei]

Soft mount can lead to data inconsistency, so it's not always a good choice.