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Set up Libvirt 0.7.7&Xen 4.0 Dom0 (2.6.32.13 pvops) on top of Fedora 13 RC2

Jun 01, 2010, 17:01 (0 Talkback[s])
(Other stories by Boris Derzhavets)

[ Thanks to Boris Derzhavets for this link. ]

"Install Xen 4.0 and Libvirt like on F12 ( [1] ). Via my experience xend will hang for 5-7 min at startup and xen managed bridging will fail as well. This behavior stays the same under either 2.6.31.13 or 2.6.32.13 pvops kernels. At the same time PV guests might be unable to obtain IP via interface virbr0. Ubuntu Lucid official xenified installer fails with DHCP request been sent to virbr0 under either 2.6.31.13 or 2.6.32.13 kernels,unless you will manually place Lucid guest on subnet 192.168.122.0 and point to DNS Server of your's ISP. In this case installer will continue fetching data from Internet and been created Lucid PV DomU would be routed to the Net via bridge virbr0 , having static IP address. Virt-install of F13 PV DomU does detect virbr0 with 2.6.32.13 and fails to do that with 2.6.31.13. Workaround for the issue follows bellow. There are no any problems with HVM DomUs with any dhcp bridge either virbr0 or br0 created manually.

"In general, independent DHCP bridge is required , in particular for Ubuntu Lucid PV install. On the other hand F13 PV DomU virt-install behaves different under different kernel"

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