[CentOS-virt] What do you use to provision domU's?

Tue Dec 3 23:56:17 UTC 2013
Johnny Hughes <johnny at centos.org>

On 12/03/2013 05:41 PM, Dusty Mabe wrote:
> On Tue, Dec 3, 2013 at 6:31 PM, Johnny Hughes <johnny at centos.org> wrote:
>> You can also use Xen XM tools with the default install ... OR ... if you
>> do not plan on using libvirt at all, you can setup and use Xen XL tools
>> (if using libvirt, you have to use xend and Xen XM):
> IIRC I have used libvirt with the libxl driver (no xend running) and
> it seemed to work fine (although I was just learning and not really
> using it in production). Is there a reason you say you have to use
> xend rather than libxl with libvirt?

Yes, there are (or at least were in xen-4.2.2, kernel-3.4.x, and
libvirt- when we did extensive testing) some issues creating VMs
using xenlight (XL) with the xen4centos libvirt.

We have done many updates since then (much newer libvirt ( and
also 4.2.3 xen and even a newer kernel (3.10.x)) ... so it XL might work
better now than it did initially.

I would be glad to hear reports from others who have tested XL with the
latest packages.

You can not swap xen types on a dom0 ... SO ... do not break you
production machines trying to go from XM to XL and vice-versa :)

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