That's kinda how NFS was designed to work. NFS comes from the dark ages of networking, where transient network errors were very common, even on local networks.

That's kinda how NFS was designed to work. NFS comes from the dark ages of networking, where transient network errors were very common, even on local networks. "man nfs" and "man mount.nfs" and search for "soft", "intr", "tcp", and "timeo". It sounds like the solution to your problem is some combination of those options.