On Fri, Jan 28, 2022 at 01:46:45PM +0000, Chuck Lever III wrote: > My initial impulse is to better understand what is preventing > the unexported filesystem from being unmounted. Better > observability there could potentially be of value. In theory that information's in /proc/fs/nfsd/clients/. Somebody could write a tool to scan that for state referencing a given filesystem. --b.