[Openstack] Openstack IN a Virtual Machine?

Craig Lee lee at aero.org
Wed Oct 2 14:46:56 UTC 2013


As another data point, we've been doing some OpenStack development on 
EC2 servers.  Since we have a corporate EC2 account, this is just an 
easy way to get a bunch of servers for any kind of development.

--Craig

On 10/2/13 2:04 AM, Marco Fornaro wrote:
> Hi Bob,
>
> Great!
>
> Thanks so much for your help!
>
> Best Regards
>
> Marco
>
> *From:*Bob Ball [mailto:bob.ball at citrix.com]
> *Sent:* den 2 oktober 2013 10:54
> *To:* Marco Fornaro; openstack at lists.openstack.org
> *Subject:* RE: Openstack IN a Virtual Machine?
>
> I can’t speak for KVM, but this is certainly possible using XenServer.
> We’ve run nested virtualisation and nested OpenStack instances
> (primarily devstack instances for testing) many times.
>
> There is a degradation in performance, as you would expect from nested
> virtualisation, but it’s definitely functional.
>
> Bob
>
> *From:*Marco Fornaro [mailto:Marco.Fornaro at huawei.com]
> *Sent:* 02 October 2013 08:58
> *To:* openstack at lists.openstack.org
> *Subject:* [Openstack] Openstack IN a Virtual Machine?
>
> Hi All,
>
> I have a question on Openstack that is quite important for my cloud
> architecture:
>
> à*Can I have a complete Openstack instance running ON a VIRTUAL MACHINE?*
>
> *Or, generalizing: can I have “nested” openstack instances?*
>
> …and ….If this is possible…are there any constraints?
>
> NOTES:
>
> ->I’m interested to openstack instances WITH all network features
> available, meaning Quantum server with (preferably) openwswitch plugin,
> so I would be interested in VMs with a nested openstack image that do
> provide or access quatum server features…BUT even a flat DHCP network
> would be better than nothing!
>
> ->I normally use KVM as Hypervisor
>
> Thanks so much for any help
>
> Best Regards
>
> Marco Fornaro
>
> P.S.: if this is a “newbie” question I apology, but I cannot find a
> clear answer in doc (see for instance
> https://wiki.openstack.org/wiki/HypervisorSupportMatrix) AND perhaps
> some little words could save a lot of time when trying to realize such a
> nested achitecture
>
>
>
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