[Qemu-devel] Re: [RFC] More robust migration

[Charles Duffy]

Andre Przywara wrote:
> 1. Transfer configuration data. Currently there is no VM configuration 
> data transferred with the stream. One has to start QEMU/KVM with the 
> _exact_ same parameters on the other side to allow migration. If there 
> would be a pseudo-device (transferred first) holding these parameters 
> (and other runtime dependent stuff like kvm_enabled()) this would ease 
> migration a lot.

I presently have code which *relies* on the ability to migrate from one 
VM to a target with different different backing stores for their disk 
images (albeit sharing the same contents).

If this ability were to be removed, that would be unfortunate.