@@ -1,3 +1,7 @@

 - hosts: all

+  # This is the default strategy, however since orchestrate-devstack requires

+  # "linear", it is safer to enforce it in case this is running in an

+  # environment configured with a different default strategy.

+  strategy: linear

   roles:

     - orchestrate-devstack

@@ -15,6 +15,7 @@ data to sub-nodes and run devstack there. The only requirement for

 this role is for the controller inventory_hostname to be "controller"

 and for all sub-nodes to be defined in a group called "subnode".

+This role needs to be invoked from a playbook that uses a "linear" strategy.

 **Role Variables**