[ovirt-users] cluster's minimum CPU level

[Michal Skrivanek]

> On 11 Feb 2016, at 12:07, suporte at logicworks.pt wrote:
> 
> Any comments / suggestions?
> 
> De: suporte at logicworks.pt
> Para: "Moti Asayag" <masayag at redhat.com>
> Cc: "users" <users at ovirt.org>
> Enviadas: Segunda-feira, 8 De Fevereiro de 2016 15:28:33
> Assunto: Re: [ovirt-users] cluster's minimum CPU level
> 
> Hi Moti,
> 
> Thanks a lot. Do you think we lost functionalities? like server migration?
> The other way should be creating a new cluster, configure the old hosts on this new cluster. Is possible to share the same GlusterFS storage between 2 clusters? Is possible to migrate servers and disks between the 2 clusters?

migration is supported only within 1 cluster (except for el6 to el7 transition)
using Nehalem just means your QEMUs will run only Nehalem instructions even when the host is e.g. SandyBridge and have some more advanced instructions available. It will run a little bit slower.

> 
> Regards
> 
> José
> 
> De: "Moti Asayag" <masayag at redhat.com>
> Para: suporte at logicworks.pt
> Cc: "users" <users at ovirt.org>
> Enviadas: Segunda-feira, 8 De Fevereiro de 2016 14:35:54
> Assunto: Re: [ovirt-users] cluster's minimum CPU level
> 
> Hi Jose,
> 
> The correct way to do it is by:
> 1. Putting all hosts in maintenance mode
> 2. Changing the cluster cpu type to the desired one
> 3. Install the new host
> 4. Activate the hosts
> 5. Re-run the vms 
> 
> 
> 
> On Fri, Feb 5, 2016 at 2:24 PM, <suporte at logicworks.pt <mailto:suporte at logicworks.pt>> wrote:
> Hi,
>  I'm trying to add a new old host (Intel(R) Xeon(R) CPU  X3430  @ 2.40GHz Intel Nehalem Family) to oVirt Engine Version: 3.5.4.2-1.el7.centos.
> But I'm getting this error:
> host does not meet the cluster's minimum CPU level. Missing CPU features : model_SandyBridge
> 
> 
> What happen if I lower the cluster CPU type? Do I loose functionalities? Do I need to shutdown all VMs before change the cluster CPU type?
> Do you see any problem here?
> 
> Thanks
> 
> José
> 
> 
> -- 
> Jose Ferradeira
> http://www.logicworks.pt <http://www.logicworks.pt/>
> 
> 
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> 
> 
> 
> 
> -- 
> Regards,
> Moti
> 
> 
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