[ClusterLabs] staggered resource start/stop

[d tbsky]

Reid Wahl <nwahl at redhat.com>
>
> An order constraint set with kind=Serialize (which is mentioned in the first reply to the thread you linked) seems like the most logical option to me. You could serialize a set of resource sets, where each inner set contains a VirtualDomain resource and an ocf:heartbeat:Delay resource.
>
>  ⁠5.3.1. Ordering Properties (https://clusterlabs.org/pacemaker/doc/en-US/Pacemaker/2.0/html-single/Pacemaker_Explained/index.html#idm46061192464416)
>  ⁠5.6. Ordering Sets of Resources (https://clusterlabs.org/pacemaker/doc/en-US/Pacemaker/2.0/html-single/Pacemaker_Explained/index.html#s-resource-sets-ordering)

     thanks a lot! I don't know there is an official RA acting as
delay. that's interesting and useful to me.