[ovirt-users] Turn on "Nested Virtualization" on the "hosted-engine"

[Michal Skrivanek]

> On 25 Dec 2017, at 13:03, Roman Drovalev <drovalev at miac.kaluga.ru> wrote:
> 
> >I'm not sure I understand the layering - hyper-V on oVirt or vice-versa?
> 
> the layering: oVirt host -> Hyper-V_VM on oVirt -> VM on Hyper-V_VM
> 
> CentOS based on linux kernel. I manual modified linux kernel parametrs.

if you modified the kernel parameters already (which you did, as seen in screen shot your cmdline does have nested virt param) then there’s nothing else to do in the GUI, your host should support nested virtualization.
I’m not sure why do you need SR-IOV but that’s not going to work on top of hyperv

> 
> oVirt-engine based on oVirt API. How to manually change the parameters of ovirt-engine through API?
> 
> >In any case, I assume an additional host is needed, the host hosting the Hosted-Engine VM cannot be changed with those parameters when the HE is up.
> >Y.
> 
> It's impossible, the second host is now - Hyper-V with working VM's.
> 
> 25.12.2017 12:19, Yaniv Kaul
>> 
>> 
>> On Mon, Dec 25, 2017 at 10:14 AM, Roman Drovalev <drovalev at miac.kaluga.ru <mailto:drovalev at miac.kaluga.ru>> wrote:
>> Thanks for the quick response.
>> 
>> >You probably need an additional host.
>> 
>> I'm migrating from Hyper-V at the moment there is no way to add a second
>> host.
>> 
>> 
>> 25.12.2017 10 <tel:25.12.2017%2010>:43, Yaniv Kaul пишет:
>> > What are you trying to achieve?
>> 
>> "Nested Virtualization" . I need run on Hyper-V one VM on the my oVirt
>> 
>> I'm not sure I understand the layering - hyper-V on oVirt or vice-versa?
>> In any case, I assume an additional host is needed, the host hosting the Hosted-Engine VM cannot be changed with those parameters when the HE is up.
>> Y.
>>  
>> 
>> 
>> 
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> 
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