Alan Cox wrote:
On Tue, 24 Mar 2009 10:31:39 -0600
Mark Post <[email protected]> wrote:
On 3/23/2009 at 11:46 PM, Shane Ginnane <[email protected]> wrote:
-snip-
No doubt Mark is correct re the usability of the z KVM at present, but one
would imagine that has to improve.
I wasn't speaking about KVM on any particular architecture. It's a nightmare
for everyone. If Xen is any illustration, I wouldn't be surprised to see
usability stink for a good long time.
I really hope Xen isn't but then Xen has suffered horribly from a lack of
integration with the things it supports and having to apply magic patch
sets to out of date kernels to get it to run. KVM doesn't have that
problem on x86 at least.
As to ease of use, I go into virt-manager, click new guest, select Fedora
whatever and let it get on with it. In the desktop world and sense its
very easy to use. When you want to do complex things like integrate it
with SAN storage its a bit hairier and you run out of GUI button pressing
options.
Alan
I've been playing with KVM on F10. Immediately prior to my efforts
yesterday, the system had been hanging and requiring reboot.
Using the standard tools (vir*), networking defaults to NAT. Why, I have
no idea, I thought the most likely use of virtual machines is for servers.
Documentation on setting up alternative networks is sparse (if it
exists). The virsh command for editing the XML(!!) for network
definitions does not save changes. I did the best I could, but I don't
have an alternative network definition.
SGL (on framebuffer) does not work, it does not respect switches to
virtual consoles. Its default keymap is a great mystery, the RH shift
key generates a C, the BS key a 5 and down-arrow <enter>, I forget what
produced the k, the other key I really needed. The documentation tells
how to specify a different keymap, but doesn't ferinstance any legal
values. My guess had no apparent effect.
This isn't really the place to discuss these diffulties, it's sufficient
to say that virtualisation on Linux isn't ready yet. Not with XEN, not
work KVM and not using the vir* tools. Oh, the GUIs work after a
fashion. I connected to the Fedora system using ssh and then used
commands, some of which start a GUI. I have problems with focus,
sometimes the window for one VM can be in focus, but typing goes to another.
--
Cheers
John
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