On 01/23/18 18:55, Nuno Branco wrote:
Basically, if I backup my current 3.2 VMs am I going to be able to
restore them on 4.0 ? Not clear on what the implications are of the HVM
vs PVVM change on 4.0 are for backups / restores.
I replaced my 3.2 setup with 4.0rc3 a few days ago and I'm quite happy
with it; there were a few hiccups though so if I were you I'd test first
on a separate HD or be ready to install 3.2 back. The HVM vs PVVM change
was transparent although some of the things listed below might be a
result of the change.
- I had an issue when restoring dom0's home [1] ; the solution was to
recover the files manually from the backup. You may want to have a
separate dom0 backup - I'm not sure how easy it is to perform the backup
recovery with multiple VMs in a backup "bundle".
- I couldn't launch apps from the menu for a restored fedora VM that was
standalone in 3.2. qvm-start'ing apps from dom0 worked though. I tried
to update the qubes-* rpms in that VM to 4.0 (hacking qubes' yum repo to
4.0) but it ended up in a total mess, I eventually restored it again
from 3.2 and will debug that later.
- Windows VM (win7) works - sort of: I can launch the windows template
and it works fine, but the "standalone based on template" VMs restored
from 3.2 won't start. I didn't have the time to debug that yet as those
are non critical.
- 4.0rc3's fedora VMs are based on fedora 25 so you'll have to download
the newer fedora-26 template rpm and update your VM configurations. You
may wait for 4.0rc4 which I understand should be released soon - it
should include fedora 26 by default
- if for some reason you often have to look at all your VMs' cpu usage
at once, I haven't seen a way to do it yet. Qubes-manager is missing
from 4.0rc3 but should be back (in a new form) in 4.0rc4, I don't know
if they'll restore the cpu usage feature though. There was also a hint
that this could be shown from the new applet menu [2] but like with
everything above debugging time is scarce and I have yet to see if the
applet's menu visible info is user configurable.
Everything else in my workflow works as before - sys-usb, sys-net with
PCI devices, ...
I haven't tested "native" backup+restore on 4.0 yet though.
Hope this helps.
Ivan
[1] https://github.com/QubesOS/qubes-issues/issues/3467
[2] https://github.com/QubesOS/qubes-issues/issues/2132
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