playbook_aix_nim_reboot.yml

---
- name: "NIM reboot on AIX"
  hosts: all
  gather_facts: no

  tasks:

    - name: "AIX NIM"
      aix_nim:
        action: 'reboot'
        targets: "quimby0[3:5]"
        description: 'NIM reboot'

      register: nim_output

    - debug: var=nim_output