[CentOS-virt] Xen updates / TODO

Tue Mar 11 08:01:28 UTC 2014
Pasi Kärkkäinen <pasik at iki.fi>

On Mon, Mar 10, 2014 at 02:09:41PM -0500, Johnny Hughes wrote:
> On 03/10/2014 12:55 PM, Pasi Kärkkäinen wrote:
> > On Thu, Feb 20, 2014 at 10:26:04AM -0600, Johnny Hughes wrote:
> >>>>>> 2) After that, we should start packaging/testing Xen 4.3.2:
> >>>>>>    http://lists.xen.org/archives/html/xen-devel/2014-02/msg01622.html
> >>>>>>
> >>>>>>    Xen 4.3 brings much improved XL toolstack in addition to a lot of other changes/fixes.    
> >>>>> my understanding was that we might skip 4.3, and rebase from 4.2 to 4.4
> >>>>> once that hits the released path
> >>>> I am OK with either path, although my understanding is 4.2 => 4.4 as well.
> >>>>
> >>> Yep. Let's see when Xen 4.4 gets released.
> >>>
> >>> Shall we start with the first step, which is upgrading to Xen 4.2.4? :)
> >>>
> >> I am getting ready to shutdown my machine and pack it up to head out for
> >> the airport right now, to go to Scale12x:
> >>
> >> http://www.socallinuxexpo.org/scale12x
> >>
> >> I should be back home and ready to go by Tuesday morning though ... so
> >> if I don't get time to do it at SCALE, I will on Tuesday.
> >>
> > Ok so Xen 4.2.4 and Linux 3.10.32 dom0 kernel are out in the xen4centos repo now.
> > Also upstream released Xen 4.4.0 today.
> >
> > In general Xen upstream supports live migrations from (current-1) to (current) version.
> > So if we want to provide a (live) migration path from Xen 4.2.* to 4.4.* we probably
> > should package Xen 4.3.2 first.. So people could migrate from 4.2.4 -> 4.3.2 -> 4.4.0.
> >
> > What do you think? 
> >
> > (Fedora 20 has Xen 4.3.2 rpms in the updates repo, for .spec foo, if needed).
> >
> 
> Well, I would hope we can migrate from 4.2.4 to 4.4.x without requiring
> anything in between.  Not sure if that would be possible or not.
> 

Well I guess we just need to test that.. 

> We do need to start trying to do 4.4.x builds.
> 

That's what we should do :)

Fedora has rpms at least for 4.4.0-rc4, not sure about the rc5/rc6 or the final.. 
but I don't think the .spec file really needs to change between rc4 and the final.


-- Pasi