[libvirt] new openvz driver (bossonvz)

Dmitry Mishin dim at parallels.com
Tue Jul 1 15:43:56 UTC 2014

Pavel and James to CC

On 30/06/14 17:39, "Daniel Veillard" <veillard at redhat.com> wrote:

>On Mon, Jun 30, 2014 at 10:31:26AM +0100, Daniel P. Berrange wrote:
>> On Fri, Jun 27, 2014 at 03:16:51PM +0200, Bosson VZ wrote:
>>  - What do you see as the long term future of the driver ? I've
>>    already asked whether there's any risk from future OpenVZ releases
>>    potentially breaking things. Historically the idea with the kernel's
>>    namespace support was that the OpenVZ forked kernel would be able
>>    to go away. IIUC, the openvz userspace can already run on top of a
>>    plain mainline kernel, albeit with reduced features compared to when
>>    it runs on openvz kernel fork.  If we assume the trend of merging
>>    OpenVZ features into mainline continues, we might get to a point
>>    where OpenVZ kernel fork no longer exists. At that point I wonder
>>    what would be the compelling differences between BossonVZ and the
>>    LXC driver ?  ie why would we benefit from 2 container drivers for
>>    the same kernel functionality.
>  Good point !
>  My recollection of talking with James Bottomley is indeed that all
>the special features are being migrated as part of the commonly agreed
>upon set of kernel primitives put in the kernel for containers. So I hope
>that this driver will indeed work based on those primitives and not
>the Parallels specific extensions, as those may vanish sooner or later.
>  What kernels do you support, only CentOS-6 modified ones ?
>Daniel Veillard      | Open Source and Standards, Red Hat
>veillard at redhat.com  | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
>http://veillard.com/ | virtualization library  http://libvirt.org/
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