Thanks for your reply. Here is the info. Command: /usr/local/bin/rsync -tpz --delete --rsh /usr/local/bin/ssh /home/chitown/foo user at prod:/directory1/directory2/ OS SunOS 5.8 Generic_117350-18 Other info /home/chitown/ is a mounted directory with a backup box, everything works fine before the mounting. Appreciate you time and hope to hear from you soon. Shu Zhang