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Re: [libvirt] Redefining the XML of VM



On 01/08/2014 06:36 AM, Ján Tomko wrote:
> On 01/08/2014 01:56 PM, kangta123 wrote:
>> Hi,
>>
>> I'm a newbie to Libvirt, i want to know if i can change the vm definition xml dynamically. like change cpu, network value.
> 
> You can't do that with hooks. You'll need to edit the domain definition before
> you ask libvirt to start it.

There are _some_ things you can change on a running domain, such as
network devices, by means of hotplug operations.  But you can't do a
wholesale change of the XML outside of hotplug except for an offline domain.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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