22.09.2016 11:19, Auer, Jens пишет: ... > I think start-up is just a special case of what I think is a dependency for > starting a resource. > My current understanding is that a mandatory constraint means "If you > start/stop resource A then you > have to start/stop resource B". An optional constraint says that the > constraint only holds when > you start/stop two resources together in a single transition. What I want to > express is more like > a dependency "don't start resource A before resource B has been started at > all. State changes of resource B > should not impact resource A". I realize this is kind of odd, but if A can > tolerate outages of its dependency B, > e.g. reconnect, this makes sense. In principle this is what an optional > constraint does, but not restricted > to a single transition. >
But if A can tolerate outage of B, why does it matter whether A is started before or after B? By the same logic it should be able to reconnect once B is up? At least that is what I'd expect. _______________________________________________ Users mailing list: Users@clusterlabs.org http://clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
