ansible-role-partitioning_profile/vars/raid_profiles/mirror.yml

mdraid_devices:
  - device: /dev/md/boot
    level: 1
    devices: "{{ hard_disks | json_query(\"[].partitions[?usage=='boot'][].device\") | list }}"
  - device: /dev/md/rescue
    level: 1
    devices: "{{ hard_disks | json_query(\"[].partitions[?usage=='rescue'][].device\") | list }}"
  - device: /dev/md/data
    level: 1
    devices: "{{ hard_disks | json_query(\"[].partitions[?usage=='data'][].device\") | list }}"

boot_device: /dev/md/boot
rescue_device: /dev/md/rescue
data_device: /dev/md/data

debian_boot_packages:
  - mdadm