On Mon, 2025-12-01 at 14:12 +0000, Daniel P. Berrangé wrote:
> From QEMU's POV, live migration and snapshots
> are indistiguishable operations, both using the same functionaility.
> 
> eg
>   $ qemu-system-x86_64 -monitor stdio -device vmclock
>   (qemu) migrate file:snapshot.img
> 
> and
> 
>   $ qemu-system-x86_64 -monitor stdio -device vmclock -incoming 
> file:snapshot.img
> 
> 
> and we can't check the QEMU migration target being "file:" and mgmt
> apps can use the "fd:" protocol to pass in a pre-opened target which can
> be a socket or pipe or file.

What triggers the vmgenid to actually get updated for a snapshot?
That's the condition we're after, isn't it?

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