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Virtualization

In this section, we cover discussion on the @et-mgmnt-tools-list, @fedora-xen-list, @libvirt-list and @ovirt-devel-list of Fedora virtualization technologies.

Contributing Writer: Dale Bewley

Enterprise Management Tools List

This section contains the discussion happening on the et-mgmt-tools list

Fedora Virtualization List

This section contains the discussion happening on the fedora-virt list.

New Fedora Virtualization List

On @fedora-xen, Daniel Veillard announced[1] the creation of the new @fedora-virt list.

"As the initiator for [the fedora-xen] list, I must admit I made a mistake 3 years ago, I should have picked a list name agnostic from the hypervisor name. With the current state of Xen in Fedora recent releases it really make sense to try to correct that mistake ... it's never too late ! So http://www.redhat.com/mailman/listinfo/fedora-virt is born, I don't want to mass-subscribe people, especially as I think the current list should survive with its Xen centric focus. You can subscribe directly to the new URL above.

The topic is everything concerning Fedora and virtualization including Xen.

I think the [fedora-xen] list would be a good place for people still using Fedora <= 8 with Xen, but it's just a suggestion :-)"

[1] http://www.redhat.com/archives/fedora-xen/2009-January/msg00014.html

Fedora Xen List

This section contains the discussion happening on the fedora-xen list.

Libvirt List

This section contains the discussion happening on the libvir-list.

Interface Bandwidth Controls

Max Zhen described[1] a goal of enabling Package-x-generic-16.pnglibvirt to configure bandwidth rate limits for the network interface of virtual machines, and asked for comments on implementation ideas.

[1] http://www.redhat.com/archives/libvir-list/2008-December/msg00644.html

RHEL 5 Support

Markus Armbruster posted[1] a "patch series attempts to make Package-x-generic-16.pnglibvirt just work on RHEL-5. Right now it doesn't, mostly because libvirt relies on version number checks in a couple of places, and RHEL-5's version numbers aren't the whole truth due to various backports of later stuff." Adding "I'm not proposing this for immediate commit, as I'm still testing. But I'd appreciate review: is this the right way to do it?"

[1] http://www.redhat.com/archives/libvir-list/2008-December/msg00629.html

Choice of Private Network Range

Peter Anvin was[1] "kind of wondering why Package-x-generic-16.pnglibvirt defaults to 192.168.122.0/24". Refering to RFCs 2544 and 3330. Peter suggested the following alternative ranges:

  • 192.0.2.0/24 - reserved as "test and example network"
  • 198.18.0.0/15 - reserved as "benchmark test network"

[1] http://www.redhat.com/archives/libvir-list/2008-December/msg00545.html

Guest-Safe libvirtd Restarts

A restart of libvirtd will necessarily also restart KVM virtual machine guests. Guido Günther sought[1] to rectify this with a submission of several patches.

[1] http://www.redhat.com/archives/libvir-list/2008-December/msg00346.html

[2] http://fedoraproject.org/wiki/FWN/Issue146#Maintaining_VM_State_While_Restarting_libvirtd_Needed

oVirt Devel List

This section contains the discussion happening on the ovirt-devel list.