[pve-devel] CPU and Memory hot add

[Stefan Priebe]

Am 15.02.2014 13:59, schrieb Alexandre DERUMIER:
> cpu hot add is already implemented. (even in proxmox ;)
> https://git.proxmox.com/?p=qemu-server.git;a=commit;h=838776ab650f0593b48c234070c1a189fdbd72c7
>
> cpu hot del is not yet implemented. (but they are some prelimary patches in the qemu mailing list)

ok so you addd maxcpus: 128 to each configto have it silently enabled?

>
> memory hotplug is not yet implemented. (should be ok for next qemu 2.0 release I think)
>
> But maybe they are cheating, like I do : just use ballonning with a fixed size ?

How? set in config balooning to min and max to 4096 and then changing it 
to 8192 for min max does not change anything in the guest.

Stefan


>
> ----- Mail original -----
>
> De: "Stefan Priebe" <s.priebe at profihost.ag>
> À: pve-devel at pve.proxmox.com
> Envoyé: Vendredi 14 Février 2014 21:18:47
> Objet: [pve-devel] CPU and Memory hot add
>
> Hi,
>
> while browsing the web, i found profitbricks, which is active in germany
> and the us (http://www.profitbricks.com/technical-info).
>
> They use KVM and offer memory and cpu hot add on the fly? Anybody an
> idea how this works if kvm does not already support it?
>
> Greets,
> Stefan
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