[pve-devel] [PATCH qemu-server 02/14] blockdev: cmdline: convert drive to blockdev syntax

[Fiona Ebner]

Am 06.05.25 um 17:40 schrieb DERUMIER, Alexandre:
>>> Do we need to handle old client (for example, a pve8 doing a live
>>> migrate + lcoal storage migration  sending a nbd:// uri to a pve9
>>> with
>>> blockdev support ) ?
> 
> Thinking about this, maybe this is a good reason for version guard too.
> (so don't change from drive to blockdev during a live migration)
> 
> I don't have tested, but I don't think that efi disk can mirrored &&
> reattached from drive to blockdev, it's seem quite different and I'm
> pretty sure that it could have border effects.

The EFI disk is not attached via -drive, but via -pflash. I don't think
we should change that, just keep attaching via -pflash. Or does
blockdev-mirror not work there? If we really need to change away from
-pflash, then yes, we'll need to version guard.