thanks guys, thanks for everyone's help. I'm now using nfsstat and iotop to monitor the NFS throughput, it's much more easier. Thanks again -YK 于 2011/10/11 4:30, upen 写道: > iotop -bktqqq -d 1 | grep -v "[0].00 K/s 0.00 K/s" | grep nfsd > > You can install iotop in RHEL (NFS server) and then try above command. > > Will that help? >