Hi Lionel,

if you managed to remove the host (or move it to a different cluster) so
that all hosts in your cluster are UP - you could try to put one of your
running hosts to the maintenance and then back to active - the cluster
settings should be updated on the host activation. You can look for the log
"Updating cluster CPU flags and verb according to the configuration of the
[cluster name]".

If that does not help, you can try to restart the engine.

Please let me know if that helps.

Lucia

On Tue, Dec 15, 2020 at 12:53 PM Lionel Caignec <[email protected]> wrote:

> Thank you i understand now.
>
> I double checked all my 8.2 host about cababilities and they seems ok.
>
> I think i foudn the source of this "bug".
>
> For this time i've updated one host in 8.3 (the non operative one), and
> then i update engine and run engine-setup (with all host up and activated
> except the 8.3 one). Maybe this is why the cluster table is not updated?
>
> What do you think, if y remove the 8.3 host, rerun "engine-setup" an
> re-add the 8.3 host?
>
>
> Lionel.
>
> ------------------------------
> *De: *"Lucia Jelinkova" <[email protected]>
> *À: *"Lionel Caignec" <[email protected]>
> *Cc: *"thomas" <[email protected]>, "users" <[email protected]>
> *Envoyé: *Mardi 15 Décembre 2020 11:31:47
> *Objet: *Re: [ovirt-users] Re: Bad CPU TYPE after Centos 8.3
>
> Hi Lionel,
>
> in oVirt 4.4.2 the Secure Intel Cascadelake Server Family was configured
> to use the Cascadelake-Server libvirt/qemu CPU. In oVirt 4.4.3, this has
> been changed to Cascadelake-Server-noTSX libvirt/qemu CPU (since the TSX
> was dropped in 8.3).
>
> The problem you're facing is caused by this transition. In the cluster
> table you can see that the running hosts still use the old configuration -
> Cascadelake-Server. That is why the new 8.3 host is non operative.
>
> Now the question is why the configuration in the cluster table was not
> updated. This should be the correct workflow:
> 1. engine update from 4.4.2 to 4.4.3
> 2. during engine-setup, the configuration values should be updated in the
> vdc_table in the database
> 3. during engine startup, the cluster value should be updated IF all hosts
> are UP AND all hosts comply to the new configuration
>
> Could anything from the below cause the configuration in the cluster table
> not to be updated?
> a) engine-setup was not performed
> b) not all hosts in the cluster were UP
> c) some of the 8.2 hosts do not support the Cascadelake-Server-noTSX (I
> can see that the 8.2 you've checked does support it, maybe it would be
> worth checking the others as well).
>
> Based on your answer we can try a workaround in the Webadmin before
> changing the kernel values.
>
> Regards,
>
> Lucia
>
>
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