NFS Services Administrator's Guide

Troubleshooting NFS Services
Logging and Tracing of NFS Services
Chapter 5 197
If you do not specify a log file for the other NFS services (with the -l
option), they do not log any messages. The NFS services can all share the
same log file.
For more information, see rexd (1M), rstatd (1M), rusersd (1M), rwalld
(1M) , and sprayd (1M).