Re: [Xen-users] xl cpupool

[Linux Hack <linuxhack2012@xxxxxxxxx>]

Hi

That's something interesting. Would it possible to make this work on xm or xl tool stack on xen version 3.4.4/4.1.4?

On Monday, February 4, 2013, Juergen Gross <juergen.gross@xxxxxxxxxxxxxx> wrote:
> Hi,
>
> Am 02.02.2013 00:53, schrieb Linux Hack:
>>
>> Hi,
>>
>> Would it possible to create cpupools with xl after the server boot and
>> then assign one cpu-pool to dom0 and another one for dom-u's?
>
> Yes.
>
> You have to (assuming Xen 4.2):
>
> 1. remove cpus from Pool-0 with "xl cpupool-cpu-remove"
> 2. reduce number of dom0 cpus to fit to reduced Pool-0 with "xl vcpu-set"
> 3. create the domU cpupool with "xl cpupool-create"
> 4. assign the free cpus to the new cpupool ("xl cpupool-cpu-add")
> 5. create the domUs with "pool=<cpupool>" to start them in the new cpupool
>    (either in the config files of the domUs or as parameter of "xl create"
>
>> Also is there any change to make this work on server startup?
>
> You would have to add an init script in dom0.
>
>
> Juergen
>
> --
> Juergen Gross                 Principal Developer Operating Systems
> PBG PDG ES&S SWE OS6                   Telephone: +49 (0) 89 3222 2967
> Fujitsu Technology Solutions              e-mail: juergen.gross@xxxxxxxxxxxxxx
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>
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