FWN/Beats/Virtualization

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Virtualization

In this section, we cover discussion of Fedora virtualization technologies on the @fedora-virt, @fedora-xen-list, and @libvirt-list lists.

Contributing Writer: Dale Bewley

Fedora Virtualization List

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

Bridges

Andrés García asked[1]

[2]

[3] [4]

  1. http://www.redhat.com/archives/fedora-virt/2009-November/msg00002.html
  2. http://wiki.libvirt.org/page/Networking#Bridged_networking_.28aka_.22shared_physical_device.22.29
  3. https://fedorahosted.org/netcf/
  4. http://linux-kvm.com/content/netcf-silver-bullet-network-configuration

Fedora Xen List

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

No Xen dom0 in Fedora 12 Hopefully 13

Zhang Enming was disappointed[1] to learn[2] the pv_ops dom0 support[3] for hosting Xen guests, dropped in Fedora 9, is still not present in Fedora 12. Zhang referenced numerous videos documenting success in creating "a fully working Xen pv-ops dom0 Fedora 11 host operating system."

While there are experimental patches which may be applied[4] [5] to the kernel to enable support for dom0, they are not yet in the upstream kernel which forms the basis the Fedora kernel package.

It was decided[6] two years ago this month that Fedora "simply cannot spend more time forward porting Xen kernels" and "the plan is to re-focus 100% of all Xen kernel efforts onto paravirt_ops." See FWN#137.[7]

Pasi Kärkkäinen noted[8] "pv_ops dom0 kernel has only recently started working for many/most people, so it was too late for F12 release" and "There are still some missing features, most notably missing blktap2 support for tap:aio: file-based images."

  1. http://www.redhat.com/archives/fedora-xen/2009-November/msg00019.html
  2. http://fedoraproject.org/wiki/Docs/Beats/Virtualization
  3. http://fedoraproject.org/wiki/Features/XenPvopsDom0
  4. http://fedoraproject.org/wiki/FWN/Issue190#Dom0_Kernel_Status
  5. http://wiki.xensource.com/xenwiki/XenParavirtOps
  6. http://www.redhat.com/archives/fedora-xen/2007-November/msg00106.html
  7. http://fedoraproject.org/wiki/FWN/Issue137#kernel-xen_is_Dead
  8. http://www.redhat.com/archives/fedora-xen/2009-November/msg00020.html

Libvirt List

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