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From Sebastien Goasguen <>
Subject Re: devcloud kvm
Date Tue, 22 Jan 2013 10:30:22 GMT

On Jan 22, 2013, at 1:26 AM, Rohit Yadav <> wrote:

> On Mon, Jan 21, 2013 at 8:41 AM, Sebastien Goasguen <> wrote:
>> Hi,
>> I am relaying a question about devcloud-kvm from folks that are not yet on the mailing
>> There are two parts to the question:
>> 1-How can we use devcloud to act as a host only node ? one devcloud would be run
to have a mgt server and another one would be run to act as a separate host. Both devclouds
running on two separate physical hosts.
> So, you cannot run kvm on a paravirtualized hpv, which is why devcloud
> appliance would run xen, the hypervisor running can be virtualbox
> (tools/devcloud) or kvm (tools/devcloud-kvm).
> It's upto the hypervisor which is running the appliance to provide
> host only network, while this is ready made in virtualbox, one can
> setup a virtual network for vms in kvm (Marcus should advise here).
> And yes, you can do that, run mgmt server+mysql in one devcloud and
> use other as host+nfs/localstorage.
>> 2-Is it possible to configure devcloud-kvm to use qemu emulation without VT-x and
not use xen ?
> I tried that once and it just did not work for me; maybe it's
> possible, one should be able to run vms on qemu emulation. I think
> does that and so should be do-able.

thanks Rohit,

apparently devstack has a configuration variable that allows you to switch between kvm and
qemu emulation

> Regards.
>> Basically the folks I am talking to want to run devcloud and see "kvm" hosts in the
>> thanks,
>> -Sebastien

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