Hi Yaniv,

Thanks!

Just to be 100% sure, on the hosts we upgrade to 7.3 first and then to 4.0? Or can i add the 4.0 repo and update everything together?

For the engine it is quite clear now and makes sense I guess. New CentOS requires oVirt 4, so we should upgrade to it first.

Thanks for your help,

Christophe 

Sent from my iPhone

On 15 Dec 2016, at 18:51, Yaniv Dary <ydary@redhat.com> wrote:

Backup, upgrade oVirt to 4, upgrade engine OS to 7.3, start upgrading hypervisors to 4 on 7.3 as well. 

Yaniv Dary
Technical Product Manager
Red Hat Israel Ltd.
34 Jerusalem Road
Building A, 4th floor
Ra'anana, Israel 4350109

Tel : +972 (9) 7692306
        8272306
Email: ydary@redhat.com
IRC : ydary

On Dec 15, 2016 7:33 PM, "Christophe TREFOIS" <christophe.trefois@uni.lu> wrote:

Hi Yaniv,

Would you recommend first to upgrade to CentOS 7.3, and then to oVirt 4 or ?

We are currently running CentOS 7.2 (sometimes 7.1) with oVirt 3.6.

Thanks,

Christophe

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Dr Christophe Trefois, Dipl.-Ing.  
Technical Specialist / Post-Doc

UNIVERSITÉ DU LUXEMBOURG

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Campus Belval | House of Biomedicine  
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On 15 Dec 2016, at 18:16, Yaniv Dary <ydary@redhat.com> wrote:

It may work, but we don't support 3.6 for a while and I'm not sure what issues you may encounter. 

It is safer to upgrade the engine first and the hosts later. 4.0 supports 3.6 compatibility, just make sure all cluster are 3.6 with el7 prior to updating.  

Yaniv Dary
Technical Product Manager
Red Hat Israel Ltd.
34 Jerusalem Road
Building A, 4th floor
Ra'anana, Israel 4350109

Tel : +972 (9) 7692306
        8272306
Email: ydary@redhat.com
IRC : ydary

On Dec 15, 2016 6:49 PM, "Richard Chan" <richard@treeboxsolutions.com> wrote:

Planning and upgrade from 3.6.8 to 4.0.6:

4.0.6 mentions supporting CentOS 7.3 and qemu-kvm-ev 2.6

Is it possible in a 3.6.7 environment to upgrade all the hosts first to CentOS 7.3, vdsm 4.18, and qemu-kvm-ev 2.6 before tackling the engine? In other words, is the 4.0.6 host stack compatible with a 3.6.7 engine?

--

Richard Chan

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