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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 ===
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| 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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| ==== Help Perfect Cobbler SELinux Policy ====
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| [[DominickGrift|Dominick Grift]] posted[1]
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| "instructions on how to install a bare SELinux policy for {{package|cobbler}}. Feedback in the form of AVC denials would be appreciated so that we can perfect this bare policy."
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| [[MichaelDeHaan|Michael DeHaan]] asked[2]
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| "Would someone like to take a shot at refining this policy some or at least
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| running Cobbler with that for a while (in permissive mode) to identify what
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| else needs to be allowed?" and added the policy to the cobbler wiki[3].
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| [1] http://www.redhat.com/archives/et-mgmt-tools/2009-January/msg00003.html
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| [2] http://www.redhat.com/archives/et-mgmt-tools/2009-January/msg00004.html
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| [3] http://fedorahosted.org/cobbler/wiki/SeLinuxPolicy | | Contributing Writer: [[User:Dale | Dale Bewley]] |
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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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| ==== New Fedora Virtualization List ==== | | ==== Virt Status Report ==== |
| On @fedora-xen, [[DanielVeillard|Daniel Veillard]] announced[1] the creation of the new @fedora-virt list.
| | [[JustinForbes|Justin Forbes]] |
| | | posted<ref>http://www.redhat.com/archives/fedora-virt/2009-December/msg00056.html</ref> a Fedora virtualization status report. |
| "As the initiator for [the fedora-xen] list, I must admit I made a mistake
| | 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. |
| 3 years ago, I should have picked a list name agnostic from the
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| hypervisor name. With the current state of Xen in Fedora recent
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| releases it really make sense to try to correct that mistake ...
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| it's never too late ! So
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| http://www.redhat.com/mailman/listinfo/fedora-virt
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| is born, I don't want to mass-subscribe people, especially as
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| I think the current list should survive with its Xen centric
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| focus. You can subscribe directly to the new URL above.
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| The topic is everything concerning Fedora and virtualization
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| including Xen.
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| I think the [fedora-xen] list would be a good place for people
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| still using Fedora <= 8 with Xen, but it's just a suggestion :-)"
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| And on @et-mgt-tools [[RichardJones|Richard W.M. Jones]] suggested[2] "we
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| should fold et-mgmt-tools into fedora-virt too."
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| [1] http://www.redhat.com/archives/fedora-xen/2009-January/msg00014.html
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| [2] http://www.redhat.com/archives/et-mgmt-tools/2009-January/msg00010.html
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| === Fedora Xen List ===
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| This section contains the discussion happening on the
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| [http://www.redhat.com/mailman/listinfo/fedora-xen fedora-xen list].
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| ==== Xen 3.3.1 in Rawhide ====
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| [[PasiKärkkäinen|Pasi Kärkkäinen]] pointed[1] out the release of
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| {{package|xen}} 3.3.1. A few days later it was made available[2] in
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| [[Releases/Rawhide|Rawhide]].
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| [1] http://www.redhat.com/archives/fedora-xen/2009-January/msg00008.html
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| [2] http://koji.fedoraproject.org/koji/packageinfo?packageID=7
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| ==== Manage Shutdowns of KVM Xenner Guests ====
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| [[FelixSchwarz|Felix Schwarz]] used[1] {{package|kvm}} and {{package|xenner}}
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| to migrate a Fedora 8 Xen dom0 host to Fedora 10.
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| "So far this was easier than expected. :-) Of course there are some smaller issues (Xenner does not work with SElinux, NetworkManager does not support bridges) but now there is only one real issue left:
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| How can I automatically shut down all running VMs when my host machine goes down? All VMs do poweroff if I press the 'shutdown' button in virt-manager. So I guess it's just a matter of sending this signal to all running VMs and waiting a bit."
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| [1] http://www.redhat.com/archives/fedora-xen/2009-January/msg00001.html
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| ==== Test Dom0 Kernel For Fedora 10 ====
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| [[MichaelYoung|Michael Young]] has[1] "succeeded in getting a fedora based {{package|kernel}} to build with Dom0 patches added." ... "If anyone wants to inspect it, the source rpm generated is at http://compsoc.dur.ac.uk/~may/xen/kernel-2.6.28-0.106.rc6.fc10.src.rpm It is completely untested beyond the fact that it compiles for me, so I have no idea if a kernel built from it will actually boot."
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| See also Xen[2] and Fedora[3] wikis.
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| [1] http://www.redhat.com/archives/fedora-xen/2008-December/msg00028.html
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| [2] http://wiki.xensource.com/xenwiki/XenParavirtOps
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| [3] http://fedoraproject.org/wiki/Features/XenPvopsDom0
| | <references /> |
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| === Libvirt List === | | ==== RHEL and Fedora Virtualization Feature Parity ==== |
| This section contains the discussion happening on the
| | Robert Day wondered how the virtualization features<ref>http://www.redhat.com/virtualization/rhev/</ref> of Red Hat Enterprise Linux 5.4 |
| [http://www.redhat.com/mailman/listinfo/libvir-list libvir-list].
| | compared to Fedora 12. |
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| ==== Interface Bandwidth Controls ====
| | [[DanielBerrange|Daniel Berrange]] |
| [[MaxZhen|Max Zhen]] described[1] a goal of enabling {{package|libvirt}} to configure bandwidth rate limits for the network interface of virtual machines, and asked for comments on implementation ideas. | | 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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| [1] http://www.redhat.com/archives/libvir-list/2008-December/msg00644.html
| | <references /> |
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| ==== RHEL 5 Support ====
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| [[MarkusArmbruster|Markus Armbruster]] posted[1] a
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| "patch series attempts to make {{package|libvirt}} just work on RHEL-5. Right
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| now it doesn't, mostly because <code>libvirt</code> relies on version number checks
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| in a couple of places, and RHEL-5's version numbers aren't the whole
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| truth due to various backports of later stuff." Adding
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| "I'm not proposing this for immediate commit, as I'm still testing.
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| But I'd appreciate review: is this the right way to do it?"
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| [1] http://www.redhat.com/archives/libvir-list/2008-December/msg00629.html
| | ==== ==== |
| | <references /> |
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| ==== Choice of Private Network Range ==== | | ==== ==== |
| [[PeterAnvin|Peter Anvin]] was[1] "kind of wondering why {{package|libvirt}} defaults to
| | <references /> |
| 192.168.122.0/24". Refering to RFCs [http://www.faqs.org/rfcs/rfc2544.html 2544] and [http://www.faqs.org/rfcs/rfc3330.html 3330]. Peter suggested the following alternative ranges:
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| * 192.0.2.0/24 - reserved as "test and example network"
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| * 198.18.0.0/15 - reserved as "benchmark test network"
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| [1] http://www.redhat.com/archives/libvir-list/2008-December/msg00545.html
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| ==== Guest-Safe libvirtd Restarts ====
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| A restart of <code>libvirtd</code> will necessarily also restart <code>KVM</code> virtual machine guests.
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| [[GuidoGünther|Guido Günther]] sought[1] to rectify this with a submission of several patches.
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| [1] http://www.redhat.com/archives/libvir-list/2008-December/msg00346.html
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| [2] http://fedoraproject.org/wiki/FWN/Issue146#Maintaining_VM_State_While_Restarting_libvirtd_Needed
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| === oVirt Devel List ===
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| 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