[one-users] 答复: 答复: question about OpenNebula + NFS performance

[Xiaoyi Lu@gmail]

Lustre is an example of OpenSource project;
BlueWhaleFS is another example of business project.

ÔÚ 2012Äê2ÔÂ27ÈÕ ÏÂÎç2:45£¬Ñî D <yang_yi at neusoft.com> дµÀ£º
>
> Please list some parallel file systems. I only know the nfs. thank you.
>
> -----ÓʼþÔ­¼þ-----
> ·¢¼þÈË: Xiaoyi Lu at software [mailto:luxiaoyi at software.ict.ac.cn]
> ·¢ËÍʱ¼ä: 2012Äê2ÔÂ27ÈÕ 14:38
> ÊÕ¼þÈË: Ñî D
> ³­ËÍ: users at lists.opennebula.org; discuss at lists.opennebula.org
> Ö÷Ìâ: Re: [one-users] ´ð¸´: question about OpenNebula + NFS performance
>
> Many high performance parallel file systems can satisfy your live-migration
> requirement.
>
> ÔÚ 2012Äê2ÔÂ27ÈÕ ÏÂÎç2:11£¬Ñî D <yang_yi at neusoft.com> дµÀ£º
>> 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 ?
>>
>> -----ÓʼþÔ­¼þ-----
>> ·¢¼þÈË: Xiaoyi Lu at software [mailto:luxiaoyi at software.ict.ac.cn]
>> ·¢ËÍʱ¼ä: 2012Äê2ÔÂ27ÈÕ 13:48
>> ÊÕ¼þÈË: Ñî D
>> ³­ËÍ: Nikolay Gar; discuss at lists.opennebula.org;
>> users at lists.opennebula.org
>> Ö÷Ìâ: Re: [one-users] ´ð¸´: 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.
>>
>> ÔÚ 2012Äê2ÔÂ27ÈÕ ÏÂÎç1:32£¬Ñî D <yang_yi at neusoft.com> дµÀ£º
>>> 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
>>>
>>>
>>>
>>>
>>>
>>> ·¢¼þÈË: Nikolay Gar [mailto:nikolay.gar at gmail.com]
>>> ·¢ËÍʱ¼ä: 2012Äê2ÔÂ26ÈÕ 19:31
>>> ÊÕ¼þÈË: Ñî D
>>> ³­ËÍ: users at lists.opennebula.org; discuss at lists.opennebula.org
>>> Ö÷Ìâ: 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 Ñî D <yang_yi at neusoft.com>
>>>
>>> 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.
>>>
>>>
>>>
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>>
>>
>>
>> --
>> Best regards,
>>
>>       ³СÒÚ Xiaoyi LU
>>
>> Email: luxiaoyi at software.ict.ac.cn
>> Tel: 86-10-62600920(O)
>> Öйú¿ÆѧԺ¼ÆËã¼¼ÊõÑо¿ËùÍøÂçÊý¾Ý¿ÆѧÓ빤³ÌÑо¿ÖÐÐÄ
>> ±±¾©Êк£µíÇø¿ÆѧԺÄÏ·6ºÅ Óʱࣺ100190
>> 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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>
>
>
> --
> Best regards,
>
>       ³СÒÚ Xiaoyi LU
>
> Email: luxiaoyi at software.ict.ac.cn
> Tel: 86-10-62600920(O)
> Öйú¿ÆѧԺ¼ÆËã¼¼ÊõÑо¿ËùÍøÂçÊý¾Ý¿ÆѧÓ빤³ÌÑо¿ÖÐÐÄ
> ±±¾©Êк£µíÇø¿ÆѧԺÄÏ·6ºÅ Óʱࣺ100190
> 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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> Confidentiality Notice: The information contained in this e-mail and any accompanying attachment(s)
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> immediately notify the sender by return e-mail, and delete the original message and all copies from
> your system. Thank you.
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