More info on this issue.. The client and server are directly conected to a gigabit switch. The MTU is default 1500. Server and client (in my case, d03 and d04) are with the same hardware, OS and configurations. Thanks, Rui On Mon, Jun 21, 2010 at 11:29 PM, Yan Rui <rui.yan@xxxxxxxxx> wrote: > Hi, > > I failed to mount a nfs share with a bigger rsize/wsize (in my case, > 512K). The biggest rsize/wsize I can get is only 256KB on my Ubuntu > 9.10 server box. Can anyone give me some suggestions? > > root@d03:~# exportfs -v > /tmp <world>(rw,wdelay,root_squash,no_subtree_check) > > root@d04:~# mount -t nfs -o wsize=524288,rsize=524288 d03:/tmp /mnt/nfs > > root@d04:~# nfsstat -m > /mnt/nfs from d03:/tmp > Flags: rw,relatime,vers=3,rsize=262144,wsize=262144,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=10.0.0.3,mountvers=3,mountproto=tcp,addr=10.0.0.3 > > root@d03:~# uname -a > Linux d03 2.6.31-14-server #48-Ubuntu SMP Fri Oct 16 15:07:34 UTC 2009 > x86_64 GNU/Linux > > root@d03:~# dpkg -l | grep nfs > ii nfs-common 1:1.2.0-2ubuntu8 > NFS support files common to client and serve > ii nfs-kernel-server 1:1.2.0-2ubuntu8 > support for NFS kernel server > > According to NFS-HOWTO, I have checked the kernel const > NFSSVC_MAXBLKSIZE. It is 1M on 2.6.31. > > Any comments will be appreciated! > > Regards, > Rui > -- 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
