See NFS Statistics by using nfsstat

To displays statistics kept about NFS client and server activity, enter:


nfsstat

[root@ctsrc01 ~]# nfsstat
Server rpc stats:
calls      badcalls   badauth    badclnt    xdrcall
172247607   0          0          0          0
Server nfs v3:
null         getattr      setattr      lookup       access       readlink
16        0% 707805    0% 159       0% 37657     0% 409188    0% 2         0%
read         write        create       mkdir        symlink      mknod
171013567 99% 42756     0% 1876      0% 2         0% 0         0% 0         0%
remove       rmdir        rename       link         readdir      readdirplus
54        0% 0         0% 18        0% 0         0% 0         0% 32        0%
fsstat       fsinfo       pathconf     commit
34207     0% 21        0% 0         0% 1         0%