nfsstat from client and nfs server will help: 1. nfsstat -n -c for client 2. nfsstat -n -s for server
Just for test, do not test it on VM machine , simple copy some file over NFS ( some big file not /dev/null some 5 GB) with time command before test Nikolay 2012/2/26 杨�D <[email protected]> > Hi**** > > ** ** > > I set up virtual machine with OpenNebula2.2 + NFS(NAS Huawei Symantec). > And the virtualization environment is rhel6.1 + kvm. But the vm is running > very slow. In the vm system, gunzip a gz file takes very long time.**** > > the nfs server(NAS) is suse10 with nfs version 3.**** > > ** ** > > the nfs client is rhel6.1**** > > mount -t nfs -o timeo=10,noatime,intr,hard,retrans=5 172.16.14.115:/vx/B1ALL > /one_images**** > > ** ** > > I tried to install two img systems at the same time on the nfs, the %CPU > is high. and the installation progress takes very long too.**** > > So I wonder if the nfs can provide better performance for the vm ?**** > > How can I tune the nfs server and client parameters to enhance nfs > performance ? Thank you very much.**** > > ** ** > > [image: 说明: cid:[email protected]]**** > > --------------------------------------------------------------------------------------------------- > Confidentiality Notice: The information contained in this e-mail and any > accompanying attachment(s) > is intended only for the use of the intended recipient and may be > confidential and/or privileged of > Neusoft Corporation, its subsidiaries and/or its affiliates. If any reader > of this communication is > not the intended recipient, unauthorized use, forwarding, printing, > storing, disclosure or copying > is strictly prohibited, and may be unlawful.If you have received this > communication in error,please > immediately notify the sender by return e-mail, and delete the original > message and all copies from > your system. Thank you. > > --------------------------------------------------------------------------------------------------- > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org > >
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