MachineConfig for using https://github.com/saschagrunert/backingFsBlockDev

mc.yml

apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: worker
  name: recreate-backingfsblockdev
spec:
  config:
    ignition:
      version: 3.2.0
    systemd:
      units:
        - contents: |
            [Unit]
            Description="Recreation of the backingFsBlockDev"

            [Service]
            ExecStart=podman run --privileged -v /var/lib/containers/storage/overlay:/var/lib/containers/storage/overlay quay.io/saschagrunert/backingfsblockdev:latest
          enabled: false
          name: backingfsblockdev.service
        - contents: |
            [Unit]
            Description="Run backingFsBlockDev.service"

            [Timer]
            OnBootSec=5min
            OnUnitActiveSec=30
            Unit=backingfsblockdev.service

            [Install]
            WantedBy=multi-user.target
          enabled: true
          name: backingfsblockdev.timer