> We are hyper-threaded with 8 effective processor, does that make a > difference? (We found the same thing in Google). My little experience with HT shows poor performance I/O-wise (worse than linear scaling, of course, since there was contention -- but this is on one-year old hardware now), so I would _suspect_ that HT would not help w.r.t. nfsd count. > We are having some packet receive errors but nobody can tell us why. > If there are other ideas on how to tell whether the network card > is saturated, let me know. Hopefully others who are more knowledgeable can chime in with better information in this area... > No, no jumbo frames.. NFS howto says with TCP this size is OK. Yeah, sorry, brain fart there. :) Future Googlers: [fake spooky voice] ignore the suggestion to check MTU size [/voice] Dan W.