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 .At the same time PV guests won’t be able to obtain IP via interface virbr0. Workaround for the issue follows bellow.
Read more »Downgrading libvirt/virsh/virt-manager to 0.7.0 at Xen 4.0 Dom0 on top of Ubuntu 10.04 Server
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Due to ongoing issue with virsh compiled against libvirt 0.7.5 when working with Xen 4.0 Hypervisor. I attempted to downgrade libvirt and related stuff to Ubuntu Karmic’s ( well tested version with Xen). Proceed as follows :-
1.Edit /etc/apt/sources.list
Replace:
deb http://us.archive.ubuntu.com/ubuntu/ lucid main restricted
Install XEN in Centos 5.4
http://www.unixmen.com –
Xen is a virtual-machine monitor for x86, x86-64, Itanium and PowerPC 970 architectures. It allows several guest operating systems to execute on the same computer hardware concurrently. The University of Cambridge Computer Laboratory developed the first versions of Xen; as of 2010 the Xen community develops and maintains
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Set up Ubuntu 10.04 Server PV DomU at Xen 4.0 Dom0 on top of Ubuntu 10.04 Server
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The procedure bellow in general follows Thiago’s Martins submission to xen-devel mailing list.However,sequence of steps has been changed, git checkout procedure is more straight forward and one Change-set from xen-4.0-testing.hg back ported to Xen 4.0 to support grub2 notation ‘(hd0,1)’ specific for Ubuntu 10.04 aka Lucid Lynx.
Read more »ZFS 24 Support via (pygrub & fsimage.iso) patch for Xen 4.0 Dom0 (pvops 2.6.32.11) on top of F12
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Finally Mark Jonson submitted to xen-devel mailing list patch for ZFS 24 support at Xen 4.0. Patch mentioned bellow was successfully tested at Xen 4.0 Dom0 with pvops kernel 2.6.32.11 on top of Fedora 12 via modifying Michael’s Young xen-4.0.0.7.fc12.src.rpm and direct patching xen 4.0 official tarball on Ubuntu Karmic Koala Server.
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Set up OSOL 2010-03 (build 134) at Xen 4.0 Dom0 on top of Ubuntu Karmic Koala Server
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Due to absence in meantime pygrub support for ZFS 24 in Xen 4.0 unix kernel and boot_archive have to be copied off the disk to Dom0. In my case OSOL 134 PV DomU was able to obtain IP address just once after first boot up configuring SMF .
Read more »Completely functional virsh (Libvirt 0.1.7-15) & GRUB2 Support at Xen 3.4.3 on top of F12
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Recent pulling GRUB2 supporting CSs into xen-3.4-testing.hg immediately makes sense to build xen 3.4.3-2.fc12.src.rpm to be able to set up current version of 3.4.3 Xen Hypervisor on Fedora 12 working pretty smoothly with Libvirt packages ( vs Xen 4.0) and the at same time supporting GRUB2 PV DomUs , say Ubuntu 9.10 Server or Debian Sqeeze.
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Maintain Michael Young’s Xen 4-rc4 src rpm in sync with http://xenbits.xensource.com/xen-unstable
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Michael Young wrote xen-4.0.0-0.2.rc4.fc12.src.rpm for Xen-4-rc4 for Fedora 12 to install Hypervisor (changeset 20950).
Read more »Setup Xen 3.4.3-rc1 & Libvirt 0.7.0 Dom0 (2.6.31.8 xenified kernel) on top of Ubuntu 9.10 Server
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Install Libvirt 0.7.0 along with KVM creates environment with default Hypervisor QEMU . Two steps in procedure bellow makes Xen default Hypervisor on Ubuntu 9.10 . First is commenting out (xend-http-server yes) in /etc/xen/xend-config.sxp , second export variable VIRSH_DEFAULT_CONNECT_URI=”xen:///”.
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Paravirtualization With Xen On CentOS 5.4 (x86_64)
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This tutorial provides step-by-step instructions on how to install Xen (version 3.0.3) on a CentOS 5.4 (x86_64) system. Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called "virtual machines" or domUs, under a host operating system (dom0).
Read more »Hot Hypervisor upgrade up to 3.4.2 on Xen 3.4.1 & Libvirt 0.7.1-15 Dom0 on top of Fedora 12
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We presume , that xen-3.4.1-5.fc12.src.rpm has been already installed on the system and Xen Host been built via mentioned “rpm” , Libvirt 0.7.1-15 and 2.6.31.6 pvops kernel is up and running at the time of upgrade. Apply following patch to /root/rpmbuild/SPECS/xen.spec
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Setup Xen 3.4.1 & Libvirt on top F12 Alpha (rawhide)
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Brief description of Xen 3.4.1 and Libvirt 0.7.1 deployment to Fedora 12 Alpha (rawhide) follows bellow. F12 instance was created on the second drive. All my attempts to resize default LVM created by installer caused installer to crash.
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Loading Xen via GRUB2 on top Ubuntu Karmic Server (alpha 4)
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Due to GRUB2 doesn’t allow module entries to accept parameters via command line in meantime , creating corresponding Xen grub2 entries for xenified aka Suse kernels went a bit different from the same procedures on Jaunty and Intrepid Servers.
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Fedora 11 as the best target for Xen 3.4.1 & Libvirt ( 0.7.0-6) deployment
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This post follows up Mark McLoughlin's ANNOUNCE: Rawhide virt repo for F11 users:- Another update available in http://markmc.fedorapeople.org/virt-preview.
Read more »Microsoft + “Open” Attack GNU/Linux and “Free” (as in Free Speech)
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Citrix-controlled Xen keeps bending towards Microsoft, which misuses "open source"
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