- name: Ensure ZFS dataset for volume {{ full_volume_name }}
  zfs:
    name: "{{ docker_volumes_zfs_dataset }}/{{ full_volume_name }}"
    state: present
- name: Ensure _data directory for volume {{ full_volume_name }}
  file:
    path: "{{ docker_volumes_dir }}/{{ full_volume_name }}/_data"
    state: directory
    owner: root
    group: root
    mode: 0755