Hi, Thanks all for your input first. On Sat, Sep 27, 2008 at 12:06 AM, Trond Myklebust <trond.myklebust@xxxxxxxxxx> wrote: > What does > > 'rpcinfo -p 10.10.10.1' program vers proto port 100000 2 tcp 111 portmapper 100000 2 udp 111 portmapper 100021 1 udp 32773 nlockmgr 100021 3 udp 32773 nlockmgr 100021 4 udp 32773 nlockmgr 100021 1 tcp 32779 nlockmgr 100021 3 tcp 32779 nlockmgr 100021 4 tcp 32779 nlockmgr 100024 1 udp 883 status 100024 1 tcp 886 status 100011 1 udp 821 rquotad 100011 2 udp 821 rquotad 100011 1 tcp 824 rquotad 100011 2 tcp 824 rquotad 100003 2 udp 2049 nfs 100003 3 udp 2049 nfs 100003 4 udp 2049 nfs 100003 2 tcp 2049 nfs 100003 3 tcp 2049 nfs 100003 4 tcp 2049 nfs 100005 1 udp 891 mountd 100005 1 tcp 894 mountd 100005 2 udp 891 mountd 100005 2 tcp 894 mountd 100005 3 udp 891 mountd 100005 3 tcp 894 mountd > give you? Also, > > 'showmount -e 10.10.10.1' > Export list for 10.10.10.1 /data0/tmp 10.10.10.2 > That depends. In my experience, the difference in performance on an > unloaded network, then UDP will outperform TCP by ~10%. However, if you > have a heavily loaded network with lots of dropped packets, then TCP > will usually give much better performance than UDP. Good to know! I will definitely have a test, any parameters are also recommend together with TCP so I can do a fair benchmark? Thank you again. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html