Many high performance parallel file systems can satisfy your live-migration requirement.
在 2012年2月27日 下午2:11，杨�D <[email protected]> 写道： > luxiaoyi > > which way do you recommend to set up opennebula cloud in production > environment? > Is there any way that can support live-migration except nfs ? > > -----邮件原件----- > 发件人: Xiaoyi Lu@software [mailto:[email protected]] > 发送时间: 2012年2月27日 13:48 > 收件人: 杨�D > 抄送: Nikolay Gar; [email protected]; [email protected] > 主题: Re: [one-users] 答复: question about OpenNebula + NFS performance > > 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. 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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. > > > --------------------------------------------------------------------------------------------------- > 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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