8: - Linux has, in general, a poor nfs server. (This is reflected in our experience; in general, NetApps and Solaris (both SPARC and x86) have been better both in terms of throughput and latency-under-load.)
This is a collection of techical information, much of it learned the hard way. Consider it a lab book or a /info directory. I doubt much of it will be of use to anyone else.