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From Vladimir Melnik <v.mel...@uplink.ua>
Subject Re: Storage Performance
Date Sun, 05 Jun 2016 17:06:43 GMT
Thank you very much for your explaination! Frankly speaking, I was pretty sure that mentioning
of CentOS as hosts' operating system would allude to KVM, but I'm very sorry if it wasn't
obvious! So, yes, I use KVM as a hypervisor. :)

On Sun, Jun 05, 2016 at 08:13:44PM +0300, Mindaugas Milinavičius wrote:
> Он спрашивают: XEN, KVM, HyperV, VMWARE или что....
> 
> 
> 
> 
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> Mindaugas Milinavičius
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> On Sun, Jun 5, 2016 at 7:50 PM, Vladimir Melnik <v.melnik@uplink.ua> wrote:
> 
> > I use CentOS-6.8 as the operating system of a host.
> >
> > Thanks!
> >
> > On Sun, Jun 05, 2016 at 07:05:30PM +0200, Timothy Lothering wrote:
> > > Hi Vladimir,
> > >
> > > What hypervisor are you using?
> > >
> > > -----Original Message-----
> > > From: Vladimir Melnik [mailto:v.melnik@uplink.ua]
> > > Sent: Sunday, 05 June 2016 6:06 PM
> > > To: users@cloudstack.apache.org
> > > Subject: Storage Performance
> > >
> > > Hello,
> > >
> > > I have an ACS-driven environment with a storage subsystem which is built
> > on
> > > Gluster over InfiniBand. The storage shows pretty good performance when I
> > > mount a volume on a host and run a simple test ("dd if=/dev/zero
> > > of=/mnt/tmp/test.1G bs=1G count=1 conv=fdatasync"), it shows about 400
> > MB/s
> > > and that's okay. But when I deploy a virtual machine (I tried it with
> > > CentOS-6.8-x64 as a guest OS), I can't gain so good result from inside
> > of a
> > > guest (it shows about 40 MB/s with the same simple test).
> > >
> > > What do you think, have I forgotten to do something important when I was
> > > seting this environment up?
> > >
> > > Thank you very much for sharing your ideas and clues!
> > >
> > > --
> > > V.Melnik
> > >
> >
> > --
> > V.Melnik
> >

-- 
V.Melnik

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