[vfio-users] Cloning qcwo2 image to native install and boot it with qemu?

thibaut noah thibaut.noah at gmail.com
Sun Apr 17 13:08:39 UTC 2016

Hi guys, so i did some thinking and a bit of reading and it seems some
people are currently running native windows install with qemu.
Since it would be the best of both worlds, allowing me to dual boot windows
for native benchmarks and all i'm thinking about making the leap.
Though i could use some advice if people here have done that already.

First i will start with my current situation, since i have a qcwo2 image on
the disk i want to install windows on, i would first need to make a
snapshot or a copy of said image on another disk, that part seems easy

Then comes the tricky part, i would need to unmount my ssd, format it with
proper partitionning? and then cloning directly from my virtualize windows
my install to the ssd using most likely acronis.
Anyone attempted this before? The cloning part i mean, it seems logic to me
that it would work but i really have no idea.
I could just reinstall everything except i have a crappy connection
(250ko/s for 6 people) and it took me weeks to get every soft and games i
Also on the performance side with qemu i don't know what is the proper way
to partition the ssd before cloning windows, i'm not even sure i actually
need to partition anything, maybe the cloning software can do it for me.

After that, and supposing everything works i assume i just have to pass the
disk to qemu without mounting it.
Dual boot might be tricky since i'll need to update mbr and since i use
grub that would require some digging.

Anyway, if any of you folks have some knowledge on that please feel free to
share it, that seems like a nice way to get people switching from dual boot
to vfio :)
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