[Xen-users] Squeeze / Xen 4.01 : xm vcpu-set

[Christophe Bailleux <ch.bailleux@xxxxxxxxx>]

Hi,

I don't understand something about the vcpu-set function.
My configuration:

memory = 2048
cpu = '1-2'
maxvcpu = 4
vcpus = 1

When the DomU is running, and when i try to set 2 or 3 vpcu i get the error :

xm vcpu-set domain_name 2

Error: Cannot set vcpus greater than max vcpus on running domain
Usage: xm vcpu-set <Domain> <vCPUs>

Set the number of active VCPUs for allowed for the domain

Why ? How can i use vcpu-set function ?

I tried an other configuration:

memory = 2048
cpu = '1-2'
maxvcpu = 4
vcpus = 4

In this case, when the Domu is running, it uses 4 vcpus.
When i try to set 2 vcpus, the command xm vcpu-set domain_name 2  is working fine.
But in my xentop is see 4 vcpus and not 2... Why ?  

Thanks for your help.

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