[ovirt-users] Change cluster compatibilty version 3.6-->4.0

[Lionel Caignec]

ok thank you very much.

----- Mail original -----
De: "Michal Skrivanek" <michal.skrivanek at redhat.com>
À: "Lionel Caignec" <caignec at cines.fr>
Cc: "blanchet" <blanchet at abes.fr>, "users" <users at ovirt.org>
Envoyé: Jeudi 20 Avril 2017 09:58:23
Objet: Re: [ovirt-users] Change cluster compatibilty version 3.6-->4.0

> On 20 Apr 2017, at 09:56, Lionel Caignec <caignec at cines.fr> wrote:
> 
> Cool thank you Michal and Nathanael.
> 
> I was affraid that ovirt restart all on is own.
> 
> Juste one question more, reboot is sufficient or do i need power off and power on vm?

Sorry for using the confusing term - A guest-side reboot is not sufficient, it needs to be a power cycle from guest POV, so shut down and power on in oVirt

Thanks,
michal

> 
> ----- Mail original -----
> De: "Michal Skrivanek" <michal.skrivanek at redhat.com>
> À: "blanchet" <blanchet at abes.fr>, "Lionel Caignec" <caignec at cines.fr>
> Cc: "users" <users at ovirt.org>
> Envoyé: Jeudi 20 Avril 2017 09:46:35
> Objet: Re: [ovirt-users] Change cluster compatibilty version 3.6-->4.0
> 
>> On 20 Apr 2017, at 09:38, Nathanaël Blanchet <blanchet at abes.fr> wrote:
>> 
>> Hi Lionel :)
>> 
>> 
>> Le 20/04/2017 à 08:48, Lionel Caignec a écrit :
>>> Hi,
>>> 
>>> i've upgraded all my host and manager to ovirt 4, and now i want to upgrade compatibility version of my cluster.
>>> 
>>> But when i change the value ovirt warn me whit message : needing reboot all VM.
>>> 
>>> Does the manager reboot the vm on is own ? or can I can do it myself manualy?
>> You can do it manually, but some vms properties will be changed ( vmconsole to disabled and virtio scsi to enabled)
> 
> You _have_ to do that manually, oVirt won’t restart them for you, it will just keep nagging with the “pending change” triangle icon. This is so you can do that whenever it is convenient for that particular VM
> A bit more is going to change for that VM - the emulated hardware is being changed, as well as behavior of oVirt features leveraging them (mostly the new features requiring some QEMU functionality, like hot plugging, higher number of vCPUs and such)
> 
> Thanks,
> michal
> 
>>> 
>>> Thank you.
>>> 
>>> --
>>> Lionel Caignec
>>> 
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>>> Fax : (33)04 67 52 37 63
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>> 
>> -- 
>> Nathanaël Blanchet
>> 
>> Supervision réseau
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>> 
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