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| | [[Category:Virtualization]] <!-- do not copy into FWN issue --> |
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| {{Anchor|Virtualization}} | | {{Anchor|Virtualization}} |
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| == Virtualization == | | == 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. | | In this section, we cover discussion of Fedora virtualization technologies on the |
| | | @fedora-virt list. |
| Contributing Writer: [[DaleBewley | Dale Bewley]]
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| === Enterprise Management Tools List ===
| | Contributing Writer: [[User:Dale | Dale Bewley]] |
| This section contains the discussion happening on the
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| [http://www.redhat.com/mailman/listinfo/et-mgmt-tools et-mgmt-tools list]
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| ==== New Release virt-manager 0.6.1 ====
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| [[ColeRobinson|Cole Robinson]] announced[1] a new {{package|virt-manager}} release, version 0.6.1.
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| This release includes:
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| * VM disk and network stats reporting (Guido Gunther)
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| * VM Migration support (Shigeki Sakamoto)
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| * Support for adding sound devices to an existing VM
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| * Enumerate host devices attached to an existing VM
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| * Allow specifying a device model when adding a network device to an existing VM
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| * Combine the serial console view with the VM Details window
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| * Allow connection to multiple VM serial consoles
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| * Bug fixes and many minor improvements.
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| [1] http://www.redhat.com/archives/et-mgmt-tools/2009-January/msg00067.html
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| ==== New Release virtinst 0.4.1 ====
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| [[ColeRobinson|Cole Robinson]] announced[1] a new {{package|virtinst}} release, version 0.4.1.
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| This release includes:
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| * Add virt-image -> vmx support to virt-convert, replacing virt-pack (Joey Boggs)
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| * Add disk checksum support to virt-image (Joey Boggs)
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| * Enhanced URL install support: Debian Xen paravirt, Ubuntu kernel and boot.iso, Mandriva kernel, and Solaris Xen Paravirt (Guido Gunther, John Levon, Cole Robinson)
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| * Expanded test suite
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| * Numerous bug fixes, cleanups, and minor improvements
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| [1] http://www.redhat.com/archives/et-mgmt-tools/2009-January/msg00068.html
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| === Fedora Virtualization List === | | === Fedora Virtualization List === |
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| [http://www.redhat.com/mailman/listinfo/fedora-virt fedora-virt list]. | | [http://www.redhat.com/mailman/listinfo/fedora-virt fedora-virt list]. |
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| === Fedora Xen List === | | ==== Virt Status Report ==== |
| This section contains the discussion happening on the
| | [[JustinForbes|Justin Forbes]] |
| [http://www.redhat.com/mailman/listinfo/fedora-xen fedora-xen list].
| | posted<ref>http://www.redhat.com/archives/fedora-virt/2009-December/msg00056.html</ref> a Fedora virtualization status report. |
| | | Justin pointed out F13 bugs<ref>http://fedoraproject.org/wiki/Virtualization_bugs</ref> now include Important and Pony classifications in addition to Blocker and Target. |
| ==== Xen Users Future on Fedora ====
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| [[EvanLavelle|Evan Lavelle]] wondered[1] if those who have invested years in {{package|xen}} on Fedora have been "shafted". "<code>Xen</code> isn't flavour of the month around here, but I assumed there were good reasons for that. Now, rather belatedly, I've found" that Red Hat acquired Qumranet and {{package|KVM}}. (FWN #143[2])
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| [[NeilThompson|Neil Thompson]] thought[3] not. "Shafted?...I don't think so. We're just in a blip at the moment." Neil pointed out that "RHEL5, which has a number of years left, includes xen - I don't think
| | <references /> |
| Red Hat are going to mess their corporate clients around by removing it. The problem with F8 is that the {{package|kernel}} people could no longer drag an obsolete (2.6.21) <code>kernel</code> around just for xen, and decided to concentrate on helping get it into the mainstream <code>kernel</code>. This[4] has taken longer than expected."
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| Jan ONDREJ was also concerned[5] that, "<code>KVM</code> is still not a replacement for paravirtualized machines and I think fully virtualized <code>KVM</code> will be slower like a paravirtualized XEN."
| | ==== RHEL and Fedora Virtualization Feature Parity ==== |
| | Robert Day wondered how the virtualization features<ref>http://www.redhat.com/virtualization/rhev/</ref> of Red Hat Enterprise Linux 5.4 |
| | compared to Fedora 12. |
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| [[RichardJones|Richard W.M. Jones]] countered[6] | | [[DanielBerrange|Daniel Berrange]] |
| "<code>KVM</code> is a great replacement for <code>Xen</code>. It's much easier to use for a start -- no more rebooting into a completely separate <code>kernel</code> hypervisor. As long as you have the <code>virtio</code> drivers in the guest, which is the default for all new Linux distros, performance is roughly the same."
| | explained<ref>http://www.redhat.com/archives/fedora-virt/2009-December/msg00040.html</ref> |
| | "The KVM based virtualization in RHEL-5.4 is not nearly so far behind |
| | Fedora as you might think. The {{package|libvirt}} mgmt stack in RHEL-5.4 was |
| | rebased to be near parity with [[Releases/11|Fedora 11]], and KVM in RHEL-5.4 is |
| | also pretty close to that using what's best described as a hybrid of |
| | kvm-83 and kvm-84." |
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| Apropros to the topic, but on another list, [[MarkMcLoughlin|Mark McLoughlin]] explained[7]
| | <references /> |
| "Para-virtualization isn't always better. <code>KVM</code> uses full virtualization, meaning that it uses the processor's support for virtualization. This means you can run an unmodified guest OS on <code>KVM</code>.
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| If you can modify the guest OS, then <code>KVM</code> does allow you to use paravirtualization for some performance sensitive operations - so e.g. we've got <code>pvclock</code>, pv MMU and <code>virtio</code> devices.
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| Don't get tied up in marketing terminology - try both and decide for yourself which works best for you."
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| Support for dom0 is targeted[8] for <code>kernel</code> 2.6.29, but the
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| changelogs[9] for the release candidates don't seem to indicate completion yet.
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| [1] http://www.redhat.com/archives/fedora-xen/2009-January/msg00031.html
| | ==== ==== |
| | <references /> |
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| [2] http://fedoraproject.org/wiki/FWN/Issue143#Red_Hat_Acquires_Makers_of_KVM.2C_Qumranet_Inc.
| | ==== ==== |
| | | <references /> |
| [3] http://www.redhat.com/archives/fedora-xen/2009-January/msg00033.html
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| [4] http://fedoraproject.org/wiki/Features/XenPvopsDom0
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| [5] http://www.redhat.com/archives/fedora-xen/2009-January/msg00032.html
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| [6] http://www.redhat.com/archives/fedora-xen/2009-January/msg00041.html
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| [7] http://www.redhat.com/archives/et-mgmt-tools/2009-January/msg00063.html
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| [8] http://wiki.xensource.com/xenwiki/XenParavirtOps
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| [9] http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.29-rc2 http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.29-rc1
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| === Libvirt List === | |
| This section contains the discussion happening on the
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| [http://www.redhat.com/mailman/listinfo/libvir-list libvir-list].
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| === oVirt Devel List === | |
| This section contains the discussion happening on the
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| [http://www.redhat.com/mailman/listinfo/ovirt-devel ovirt-devel list].
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libvirt