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xen-devel
Re: [Xen-devel] Xen CPU limit?
On 30/03/2010 10:32, "Martin Lukasik" <martin.lukasik@xxxxxxxxxxxxx> wrote:
> I read three books about Xen, but surely they weren't a good read. Many
> things haven't been even mentioned (btw: can anyone recommend a *good*
> book on Xen?)
> I thought that the way it works is: you set up Dom0 with max number of
> CPUs and then allocate them to VMs.
> But since Dom0 is a VM as Keir said, then it all must be up to a hypervisor.
>
> So I need a hypervisor to support 48 cores, then set up Dom0 with let's
> say 2 vCPUs and 1GB of RAM, and create other VMs according to my
> requirements.
> Am I right?
Yeah, that would be sensible. All dom0 is doing is VM management (i.e.,
running control tools like xend/xm) and also handling I/O, so two cores is
probably plenty.
-- Keir
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