not usfel, wrong size

99_openshift-machineconfig_99-disk-partition.yaml

apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: master
  name: 99-disk-partition
spec:
  config:
    ignition:
      version: 3.1.0
    storage:
      disks:
        - device: /dev/nvme0n1
          wipeTable: false
          partitions:
            - size_mib: 10240
              start_mib: 10240
              label: var-log
      filesystems:
        - path: /var/log
          device: /dev/disk/by-partlabel/var-log
          format: xfs
    systemd:
      units:
        - name: var-log.mount
          enabled: true
          contents: |
            [Unit]
            Before=local-fs.target
            [Mount]
            Where=/var/log
            What=/dev/disk/by-partlabel/var-log
            [Install]
            WantedBy=local-fs.target
  fips: false
  kernelArguments: null
  kernelType: ""
  osImageURL: ""

failed, because /var/log contains log informations, which is needed during creating cluster.

      units:
        - name: var-log.mount
          enabled: true
          contents: |
            [Unit]
            Before=local-fs.target
            RequiresMountFor=/var
            [Mount]
            Where=/var/log
            What=/dev/disk/by-partlabel/var-log
            [Install]
            WantedBy=local-fs.target
  fips: false