According to my experiences, the vm running performance of ONE + NFS over NAS solution is not high enough. It may be only appropriate for experiment environment but not production. Just a comment.
在 2012年2月27日 下午1:32，杨�D <[email protected]> 写道： > Nikolay > > > > Thank you. I will send you the result tomorrow. > > I wonder if nfs is widely used in opennebula cloud ? and is the vm running > speed acceptable ? > > > > David Yang > > > > > > 发件人: Nikolay Gar [mailto:[email protected]] > 发送时间: 2012年2月26日 19:31 > 收件人: 杨�D > 抄送: [email protected]; [email protected] > 主题: Re: [one-users] question about OpenNebula + NFS performance > > > > 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. > > > > --------------------------------------------------------------------------------------------------- > > > 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 > > > > > --------------------------------------------------------------------------------------------------- > 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 > -- Best regards, 鲁小亿 Xiaoyi LU Email: [email protected] Tel: 86-10-62600920(O) 中国科学院计算技术研究所网络数据科学与工程研究中心 北京市海淀区科学院南路6号 邮编：100190 Research Center of Web Data Science and Engineering, Institute of Computing Technology, Chinese Academy of Sciences, P.O.Box 2704, Beijing 100190, China.
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