[CentOS-virt] Xen updates / TODO

[Johnny Hughes]

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.

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




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