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From "Rodrigo Baldasso" <rodr...@loophost.com.br>
Subject Re: KVM qcow2 perfomance
Date Sat, 05 Aug 2017 16:16:35 GMT
Hi Ivan,

In fact i'm testing using local storage.. but on NFS I was getting similar results also.

Thanks!

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Rodrigo Baldasso - LHOST

(51) 9 8419-9861
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On 05/08/2017 13:03:24, Ivan Kudryavtsev <kudryavtsev_ia@bw-sw.com> wrote:
Hi, Rodrigo. It looks strange. Check your NFSconfiguration and network
errors, loss. It should work great.

5 авг. 2017 г. 22:22 пользователь "Rodrigo Baldasso"
rodrigo@loophost.com.br> написал:

Hi everyone,

I'm having trouble to archive a good I/O rate using cloudstack qcow2 with
any type of caching (or even disabled).

We have some RAID-5e SSD arrays which give us a very good rates directly on
the node/host, but on the guest the speed is terrible.

Does anyone knows a solution/workaround for this? I never used qcow (only
raw+lvm) so I don't know much to do to solve this.

Thanks!

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