Thread: NFS4 server deployment and tuning up

hello,
had reconstructed home computer network, have 20 computers/devices connected home network, including 12 desktop/laptops, of them running ubuntu , few windows; have iphones, ipads, appletv , hp touchpad joined in network. since there more , more devices added network, thought tuning network better performance. 1 of efforts tuning server deployed on ubuntu platform.

in tread, bring discussion on nfs version 4 server deployment on ubuntu. have opportunity practice , learning. wish have fun here.

have 1 of nfs sever set on ubuntu 10.04 platform, clients running ubuntu 11.04. had searched on internet , forum, there 2 references me in first. are:

https://help.ubuntu.com/community/settingupnfshowto and
http://ubuntuforums.org/showthread.php?t=249889

they in first place, however, still there many necessary details missing. peoples can post references here, able put useful together.

in advance contributing.

the default nfs server start/stop script

code:

 /etc/init.d/nfs-kernel-serve

the default parameter in

code:

 /etc/default/nfs-kernel-server

the out of box nfs server script staring nfsd daemon support nfs server on version 2,3,4 simultaneously, opinion on killing, waist resource , increasing security risk.

since don't have nfs client has running nfs version, first tuning effort turn off nfsd on version 2 , 3. check

code:

man rpc.nfsd

more details. needed pass
" -n or --no-nfs-version version_number" when execute "rpc.nfsd".

hack this,

code:

  sudo nano /etc/init.d/nfs-kernel-server

find part of

code:

                log_daemon_msg "starting $desc"                 log_progress_msg "nfsd"                 start-stop-daemon --start --oknodo --quiet \                     --nicelevel $rpcnfsdpriority \                     --exec $prefix/sbin/rpc.nfsd --  $rpcnfsdcount                 ret=$?

change

code:

                log_daemon_msg "starting $desc"                 log_progress_msg "nfsd"                 start-stop-daemon --start --oknodo --quiet \                     --nicelevel $rpcnfsdpriority \                     --exec $prefix/sbin/rpc.nfsd --  -n 2 -n 3  $rpcnfsdcount                 ret=$?

of course, hack, better change introduce new parameter

code:

 /etc/default/nfs-kernel-server

, use in

code:

 /etc/init.d/nfs-kernel-serve

.

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