[Fedora-xen] Move from Fedora 8 dom0s to F12/F13 dom0s with Xen 4.0.x questions

Wed May 19 13:00:10 UTC 2010

With 2.6.32.13 RH's PV guests (F13,RHL6 Beta tested) do detect NAT interface
and can smoothly installed via virt-manager ( virt-install).
However, Ubuntu Lucid Official xenified installer is still failing with NAT and requires
old style network bridging, OSOL 134 behaves same way.

Boris.

--- On Tue, 5/18/10, Boris Derzhavets <bderzhavets at yahoo.com> wrote:

From: Boris Derzhavets <bderzhavets at yahoo.com>
Subject: Re: [Fedora-xen] Move from Fedora 8 dom0s to F12/F13 dom0s with Xen 4.0.x questions
To: xen at lists.fedoraproject.org, "fcxen user" <fcxen at itsbeen.sent.com>
Date: Tuesday, May 18, 2010, 2:11 AM

So, installed Xen 4.0 via MY's src.rpm on top F13 i had
to set up manually "br0" for PV Guests, HVM seems to be OK with NAT ( or br0 no matter)
# chkconfig NetworkManager off
# chkconfig network on
Reboot
VNC console doesn't get launched for virt-installs of PV guests , referencing "br0".
Virt-install should run in "nographics" mode with VNC setup at DomU for Fedoras,CentOS guests.

I might did something wrong, but at the moment "Xen 4.0 / Virt-manager&Virt-install" regression vs F12 is taken place. 

Boris.

--- On Mon, 5/17/10, Boris Derzhavets <bderzhavets at yahoo.com> wrote:

From: Boris Derzhavets <bderzhavets at yahoo.com>
Subject: Re: [Fedora-xen] Move from Fedora 8 dom0s to F12/F13
 dom0s with Xen 4.0.x questions
To: xen at lists.fedoraproject.org, "fcxen user" <fcxen at itsbeen.sent.com>
Date: Monday, May 17, 2010, 11:49 PM

I had to disable Xen bridging and setup bridge manually to be able to work with PV
guests . In other words all xen bridged networking has to be commented out on F13
and at the same time PV guest cannot obtain IP via virbr0
It doesn't happen on F12. 

--- On Mon, 5/17/10, Boris Derzhavets <bderzhavets at yahoo.com> wrote:

From: Boris Derzhavets
 <bderzhavets at yahoo.com>
Subject: Re: [Fedora-xen] Move from Fedora 8 dom0s to F12/F13 dom0s with Xen 4.0.x questions
To: xen at lists.fedoraproject.org, "fcxen user" <fcxen at itsbeen.sent.com>
Date: Monday, May 17, 2010, 1:44 PM

> What i
 am not sure about is libvirt,virtinst,... behavior when working 
with Xen 4.0 on F13

Libvirt 0.7.7 and all related stuff (virsh,virt-manager,virt-install) seem to work fine
at Xen 4.0 Dom0 ( pvops 2.6.31.13) on top of F13. Even HVM install now could be performed via virt-manager.

Auto detecting Xen Hypervisor and several attempts suggesting  KVM answered
negative make strong impression. I thought it would  ask  me to install KVM 
every time at virt-manager start.

[root at FedoraSRV ~]# virsh version
Compiled against library: libvir 0.7.7
Using library: libvir 0.7.7
Using API: Xen 3.0.1
Running hypervisor: Xen 4.0.0

Boris.

--- On Sun, 5/16/10, Boris Derzhavets <bderzhavets at yahoo.com> wrote:

From: Boris Derzhavets <bderzhavets at yahoo.com>
Subject: Re: [Fedora-xen] Move from Fedora 8 dom0s to F12/F13 dom0s with Xen
 4.0.x questions
To: xen at lists.fedoraproject.org, "fcxen user" <fcxen at itsbeen.sent.com>
Date: Sunday, May 16, 2010, 12:35 AM

> * I use "virsh define" to create the VM configurations using virsh xml, 
and I 
assume that virsh/libvirtd won't work on a recent 2.6.32/33/3x
 kernel and Xen 
4.0.0

> * Although Pasi, Michael, Dale and others have been very generous with 
their 
information, testing and development, I am not completely 
clear on all the 
steps required to get a working F12/F13/ Xen 4.0.X 
dom0 with 2.6.32/33/3x 
kernel starting from a base F12/F13 system 
install. If someone can point out 
where to find different parts I 
would be grateful and would be willing to 
consolidate them into a 
single blob if that doesn't already exist.

Responding both questions (for F12) :-

http://www.linuxtoday.com/high_performance/2010041500635OSSV

What i am not sure about is libvirt,virtinst,... behavior when working with Xen 4.0 on F13

Boris.

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