Re: [Xen-users] hotplug vcpu problem to Centos 5.2 DomU

["Fajar A. Nugraha" <fajar@xxxxxxxxx>]

On Mon, Feb 9, 2009 at 10:28 PM, Felix Chu
<felixchu@xxxxxxxxxxxxxxxxxxxx> wrote:
> My dom0 is uing Centos 5.2 x64. I have just upgraded Xen from 3.3.0 to
> 3.3.1. After upgraded, I find that I cannot hotplug additional vcpu anymore.

Try this config

vcpus=8
vcpu_avail=1
cpus="1-7"

on PV domU with Xen 3.3.1, what this does is :
- allocate 1 CPU initially
- allows up to 8 CPU to be hotplugged (with xm vcpu-set)
- maps those vcpus to pyhsical CPU 1-7, which should leave CPU0 free
for dom0's usage.

Regards,

Fajar

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