Re: [Xen-users] xl cpupool

[Linux Hack <linuxhack2012@xxxxxxxxx>]

Ahh ok. Can you let me know what I need to modify on init script?

On Monday, February 4, 2013, Juergen Gross <juergen.gross@xxxxxxxxxxxxxx> wrote:
> Am 04.02.2013 08:43, schrieb Linux Hack:
>>
>> 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?
>
> 3.4.4: no (cpupools were introduced in 4.1)
>
> 4.1.4: yes. Please note, that xl is marked as "experimental" in 4.1. xm
>        should work.
>
>
> Juergen
>
>>
>> On Monday, February 4, 2013, Juergen Gross <juergen.gross@xxxxxxxxxxxxxx
>> <mailto: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 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
> Domagkstr. 28                           Internet: ts.fujitsu.com
> D-80807 Muenchen                 Company details: ts.fujitsu.com/imprint.html
>
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