NFS stops responding

[Michael ODonnell]

>> One thing I don't like about your setup is that you have 2 different
>> machines serving NFS directories to each other.
>
> Explain, please.  The motivation in our situation (at least
> historically) is that although all our machines potentially need
> access to the entire collection of files used by our product(s)
> some machines need the improved performance obtained by accessing
> certain sets of files locally rather than via NFS; the directory
> layouts and cross-sharing in question reflect this.  We have many
> groups of machines configured this way at many different customer
> sites with no such problems and I've not previously heard that
> such cross-sharing is considered to be bad practice.

This seems not to have elicited any response, pro or con.  I know of
no reasons in principle why two machines can't simultaneously act as
NFS clients and NFS servers - are there any?  AFAIK the two subsystems
are separate and have no dependencies or interactions; does anybody
know otherwise?