Dean, The max_block_size is 256KB on my nfs server. By changing it to a 1MB, I can mount a share with a bigger rsize/wsize now. Thank you very much! Cheers, Rui On Wed, Jun 23, 2010 at 12:59 AM, Dean Hildebrand <seattleplus@xxxxxxxxx> wrote: > What's the value of /proc/fs/nfsd/max_block_size? I'm not sure how it is > set, but it does not default to the max. > Dean > > On 6/21/2010 8:29 AM, Yan Rui 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 >> > -- 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
