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

[Michal Skrivanek]

> 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
>> 
>> Centre Informatique National de l' Enseignement Supérieur
>> 950 rue de Saint Priest
>> 34097 MONTPELLIER Cedex 5
>> Tel : (33) 04 67 14 14 14
>> Fax : (33)04 67 52 37 63
>> http://www.cines.fr
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> 
> -- 
> Nathanaël Blanchet
> 
> Supervision réseau
> Pôle Infrastrutures Informatiques
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> 34193 MONTPELLIER CEDEX 5 	
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> Fax  33 (0)4 67 54 84 14
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> 
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