Virtualization for dummies

Tom Horsley horsley1953 at
Sat Aug 7 19:45:33 UTC 2010

On Sat, 07 Aug 2010 13:47:10 -0400
Sam Varshavchik wrote:

> Also, can someone clarify for me 
> how the virtual display works -- would the virtual machine run in an 
> ordinary window, or does it take the entire display, with a hotkey to flip 
> between the virtual machine and the host OS.

The display is running as a emulated VGA device you get to via
something like VNC. This is very low performance video, so don't
expect to run 3D games on a windows virtual machine, etc.

Coming (soon maybe) is "spice" which I am looking forward to, but
haven't tried any of the previews yet. This provides a higher
performance video device driver you can install in windows and view
in the special spice viewer app (much more souped up than VNC).

I have hopes that it will be able to run the viewer
software :-).

If you are planning anything that uses heavy disk IO in windows,
the recommendations I have seen call for using a dedicated LVM
as the disk drive and running the virtio disk drivers in
windows (which are a bit tricky to install on the boot disk).

I don't use the LVM, instead I go in the opposite direction and
use qcow2 images which may be a little slow but are fairly compact
on the host machine.

More information about the users mailing list