[libvirt-users] help about migration with libvirt

[lei yang]

On Tue, Dec 3, 2013 at 3:52 PM, Nicolas Sebrecht <nsebrecht at piing.fr> wrote:

> The 03/12/13, lei yang wrote:
> >    Hi experts
> >
> >    I want to use libvirt doing the migration
>
> Basically, migration allows moving a VM from host to another.
>
> >    migration the guest from core 0 to core 2, Is there a way to do this
> ? any
> >    points?
>
> This is about CPU affinity. You may look at CPU pinning with 'vcpupin'
> in the manual of virsh. It is possible to enable vCPU pinning in libvirt
> guest XML.
>
> Don't know if libvirt supports applying CPU affinity at guest runtime
> but you could do it with usual tools (taskset, htop, etc).
>


I don't know how to change the affinity use tasket for the vms in the
libvirt,
my goal it to get the downtime from core 0 to core 2

Lei



>
> --
> Nicolas Sebrecht
>
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