+Asaf Rachmani , +Evgeny Slutsky can you please investigate?

Il giorno lun 22 giu 2020 alle ore 08:07 Glenn Marcy <gmarcy@us.ibm.com> ha scritto:
Hello, I am hoping for some insight from folks with more hosted engine install experience.

When I try to install the hosted engine using the RC5 dist I get the following error during the startup
of the HostedEngine VM:

  XML error: The PCI controller with index='0' must be model='pci-root' for this machine type, but model='pcie-root' was found instead

This is due to the HE Domain XML description using machine="pc-i440fx-rhel7.6.0".

I've tried to override the default of 'pc' from ovirt-ansible-hosted-engine-setup/defaults/main.yml:

  he_emulated_machine: pc

by passing to the ovirt-hosted-engine-setup script a --config-append=file parameter where file contains:

  [environment:default]
  OVEHOSTED_VM/emulatedMachine=str:q35

When the "Create ovirt-hosted-engine-ha run directory" step finishes the vm.conf file contains:

cpuType=IvyBridge,+pcid,+spec-ctrl,+ssbd,+md-clear
emulatedMachine=q35

At the "Start ovirt-ha-broker service on the host" step that file is removed.  When that file appears
again during the "Check engine VM health" step it now contains:

cpuType=IvyBridge,+pcid,+spec-ctrl,+ssbd,+md-clear
emulatedMachine=pc-i440fx-rhel7.6.0

After that the install fails with the metadata from "virsh dumpxml HostedEngine" containing:

    <ovirt-vm:exitCode type="int">1</ovirt-vm:exitCode>
    <ovirt-vm:exitMessage>XML error: The PCI controller with index='0' must be model='pci-root' for this machine type, but model='pcie-root' was found instead</ovirt-vm:exitMessage>

Interestingly enough, the HostedEngineLocal VM that is running the appliance image has the value I need:

  <type arch='x86_64' machine='pc-q35-rhel8.2.0'>hvm</type>

Does anyone on the list have any experience with where this needs to be overridden?  Somewhere in the
hosted engine setup or do I need to do something at a deeper level like vdsm or libvirt?

Help much appreciated !

Thanks,
Glenn
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