Hi,
I am testing host installation from ovirt45-testing repo. I choose Alma Linux 10 for it as it still support Spice. Engine runs also 4.5.7 but on Rocky Linux 9. Other hosts are Rocky Linux 8.
First small glitch is that after
yum install centos-release-ovirt45-testing
the repo centos-ovirt45-testing is disabled by default. I did not mention it and try to create new host witch failed early in Install stage (playbook can't find ovirt packages). I know it is not typical problem but in this case I ended up with host stucked in Install stage and cannot switch it to maintenance and/or remove it. I had to do it directly in db. That should not happen, best way to debug is open an issue on github against ovirt-engine with logs included. But you should be able to remove the host when it's in install state and
Hi, Let's reply inline :) On 30/12/2025 22:54, Jiří Sléžka via Users wrote: then re-add it?
Second try was without problems but after I set-up network I ended in Non operational mode because "Host does not comply with the cluster emulated machine. The cluster emulated machine is pc-i440fx-rhel7.6.0;pc-q35-rhel8.6.0 and the host emulated machines are pc-q35-rhel9.6.0,pc-q35-rhel9.4.0,q35,pc-q35-rhel9.2.0,pc-q35-rhel9.0.0,pc-q35-rhel10.0.0,pc,pc-i440fx-rhel10.0.0."
This is caused by the fact that pc-q35-rhel8.6.0 is NOT supported anymore in qemu-kvm packages on RHEL10 (and clones).
As I read list archives I could try "Reset Emulated Machine" in Cluster menu. Current emulated machine type is pc-q35-rhel8.6.0. One odd thing is that "Clusters hosts must be down in order to perform this action." which leads me to question whether it is safe or possible in my current mix of el8 and el10 hosts.
You will not be able to mix el8 and el10 hosts. Cause you will need to upgrade to el9 first, then change machine type to pc-q35-rhel9.6.0 and then you can add el10 hosts. Or you should build a custom qemu-kvm version for el10 with pc-q35-rhel8.6.0 included.
Cheers,
Jiri
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