all: 
  children:
    manager:
      hosts:
        manager.omnia.local:
    nfs_node:
      hosts:
        storage.omnia.local:
    login_node:
      hosts:
        login1.omnia.local:
    compute:
      hosts:
        compute[001:004].omnia.local:
        compute010.omnia.local:
        compute011.omnia.local: