[ovirt-users] host kernel upgrade

[Nathanaël Blanchet]

Le 14/06/2016 15:30, Rafael Almeida a écrit :
> "kernel is hot patched ", mm which version of CentOS use your? i use: 
> ovirt-engine-3.6.6.2 over centos 3.10.0-327.18.2.el7.x86_64 and 
> periodically updates the kernel.
>
> I've seen: kpatch and ksplice, What is your implementation?
Yes, it was about kpatch, but you're right, kpatch must be manually 
applied from a diff source kernel, and is not applied by default.
http://jensd.be/651/linux/linux-live-kernel-patching-with-kpatch-on-centos-7
>
> greetings
>
>
>
> On 06/14/2016 08:14 AM, Nathanaël Blanchet wrote:
>> Since el7, you don't need to reboot anymore after your kernel 
>> upgrade, kernel is hot patched.
>>
>> Le 14/06/2016 15:09, Rafael Almeida a écrit :
>>> Great, thnx
>>>
>>>
>>> On 06/13/2016 06:12 PM, Nir Soffer wrote:
>>>> On Tue, Jun 14, 2016 at 1:12 AM, Rafael Almeida
>>>> <ralmeida at prefecturaloja.gob.ec> wrote:
>>>>> Hello, friends, it is safe reboot my host after update the kernel 
>>>>> in my
>>>>> centos 7.2 x64, the ovirt engine 3.6 run over this centos in a
>>>>> independent host. which it is the frequency at which the
>>>>> host/hypervisors communicates with the engine oVirt?
>>>> The hypervisors do not communicate with engine, engine communicate 
>>>> with them,
>>>> so you can safely reboot the engine host.
>>>>
>>>> Nir
>>>>
>>>>
>
>
>

-- 
Nathanaël Blanchet

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