Re: [Xen-users] Xen in Xen

[Alexandre Chapellon <a.chapellon@xxxxxxxxx>]

If i remember well, nested virutalisation is possible but only for 
paravirtualised guests inside HVM guests.
The FAQ seems to agree:
http://wiki.xen.org/xenwiki/XenFaq2#head-51dcb6d653d7a1f52f9daca6f4dabc48f2e4d9f8

So for now you can't run windows guest in HVM guest (for exmaple).

Nested HVM guests once was in the features request list of Xen 4.1 
(presented as a convenient feature to learn VM management, nothing 
else.). AFAICT it has not been released.
IMHO, running a cloud this way would not be either efficient nor reliable.

Regards

Le 20/09/2011 11:28, Nicolas Antoniazzi a écrit :
> Hi,
>
> I would like to know if it possible to run Xen in Xen.
> I ordered a "cloud" private server on 1and1. My server is now running 
> as a Xen guest, but it is quite transparent for me.
> Now, I would like to run my own "cloud" from this machine.
>
> I Installed the last linux kernel (3.0) with xen tools, but I do not 
> know if this is really possible. Do you have an idea ?
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Alexandre Chapellon

Ingénierie des systèmes open sources et réseaux.
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