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Re: [fedora-virt] Disk device performance in F11

On Wed, Jul 1, 2009 at 2:37 AM, Richard W.M. Jones<rjones redhat com> wrote:
> libvirt isn't just a wrapper around qemu-kvm, it drives half a dozen
> different virtualization systems, giving you the benefit of
> abstracting the details of the hypervisor from the management tools.
> So for that reason we don't support tweaking the qemu command line
> arbitrarily.  However if there are particular features of qemu or KVM
> that you think we should support, please raise them.

1) Higher resolution.  My boss gave me two big monitors that can do
1920x1200, and all I can get for my guest machines is tiny little
windows with hardly any room to work inside.

2) The ability to see what options qemu-kvm was invoked with.  Even if
I can't change them, at least I can understand what I am getting.
Right now, it's a black box to me.

Incidentally, the guest machine that I described in the first message
in this thread is using the virt-blk driver, so I wonder if I'm seeing
the same problem as described in the thread on the test slowdowns.  I
just checked, and the disk image is sparse, although there seems to be
some doubt that that has anything to do with the problem.
Jerry James

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