[ubuntu-cloud] VT Extensions needed?

Kapil Thangavelu kapil.thangavelu at canonical.com
Mon Apr 26 22:22:36 BST 2010

On Mon, 26 Apr 2010 12:53:19 -0000, Alex McLintock  
<alex.mclintock at gmail.com> wrote:

> I see that there is a minimum spec for UEC which I can read at
> https://help.ubuntu.com/community/UEC/SystemRequirements
> I'm throwing together a play UEC system with machines I have lying
> around the house. Two are fairly old Xeon based machines - dual cpu, 2
> cores per CPU. The aim is that this could run 8 small virtual machines
> - one per core. I also have several single core 1Gb machines which
> could run single VMs. I believe this is possible with KVM though I am
> no expert. However the system requirements says that for the node
> controllers VT extensions *are* needed.
> Is this true. Should I abandon all hope of installing UEC on anything
> without VT extensions?
> I also note that it doesn't say this for the cluster controller.
> Presumably the cluster controller doesn't need VT extensions because
> it doesn't run any VMs... By default it is NOT a node controller.
> right?

the cloud controller doesn't need vt extensions. i've successfully run the  
cc and web stack in a vm before. it needs plenty of ram though.

the node controllers do need vt just as a prerequisite to running kvm  



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