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Re: Reload domain configuration on guest restart



On Thu, Jan 16, 2020 at 06:56:30PM +0100, Gionatan Danti wrote:
> Hi all,
> as you surely know, after changing some domain parameters via libvirt (ie:
> NIC type), the guest need to be shutdown and restarted. A simple reboot will
> not be sufficient, as libvirt will not launch a new qemu domain (ie: the
> same qemu process will be in charge to start the new guest instance).
> 
> It is possible to configure libvirt to start a new qemu domain on guest
> reboot? Can the <on_reboot> domain attribute be used for implementing
> something similar?

With the current impl this is not possible. From a technical POV though
it is possible to extend libvirt to have a <on_reboot>recreate</on_reboot>
option which would kill QEMU & recreate it with the new config. Basically
just needs someone motivated to write the code...

Regards,
Daniel
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