[ovirt-users] Re: Can't start VM because host has insufficient amount of CPU cores

Hi I just upgraded my oVirt installation from 4.4.10 to 4.5.1.2. The upgrade went through without any errors and most things seem to work but i have one critical problem now. Somehow it does not evaluate the correct number of CPU available on the hypervisor and blocks the start of a VM (except for the engine). The problem I only have on the hypervisor which has the engine deployed. I have three hypervisors, but only one has the engine installed. This hypervisor is also in a seperate cluster. After the upgrade, on the hypervisor which has the engine installed, I can't start a VM via the oVirt Manager. I can start the engine via "hosted-engine --vm-start" but if I try to start any other VM it fails with this Error: https://imgur.com/7lbGb8v -------------------------------------------------------------------------------------------------------- Operation Canceled Error while executing action: Razor: Cannot run VM. There is no host that satisfies current scheduling constraints. See below for details: The host venge did not satisfy internal filter CPU because it has an insufficient amount of CPU cores to run the VM. -------------------------------------------------------------------------------------------------------- I did not change any specs for the VM and even if I reduce the VM to only use 1 core it fails with the error above. This are the specs of my hypervisor, it has 2 cores with 2 threads: https://imgur.com/rbJnqP3 This is the ovirt version installed https://imgur.com/4LLTVFN Does someone know how to fix this?

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