On 05/23/2017 09:44 AM, Kristoffer Grönlund wrote: > Timo <[email protected]> writes: > >> Hi, >> >> I have a proprietary cluster manager running on a bunch (four) of nodes. >> It decides to run the daemon for which HA is required on its own set of >> (undisclosed) requirements and decisions. This is, unfortunately, >> unavoidable due to business requirements. >> >> However, I have to put also Pacemaker onto the nodes in order to provide >> an additional daemon running in HA mode. (I cannot do this using the >> existing cluster manager, as this is a closed system.) >> >> I have to make sure that the additional daemon (which I plan to >> coordinate using Pacemaker) only runs on the machine where the daemon >> (controlled by the existing, closed cluster manager) runs. I could check >> for local VIPs, for example, to check whether it runs on a node or not. >> >> Is there any way to make Pacemaker "check" for existence of a local >> (V)IP so that I could "connect" both cluster managers? >> >> In short: I need Pacemaker to put the single instance of a daemon >> exactly onto the node the other cluster manager decided to run the >> (primary) daemon. > > Hi, > > I'm not sure I completely understand the problem description, but if I > parsed it correctly: > > What you can do is run an external script which sets a node attribute on > the node that has the external cluster manager daemon, and have a > constraint which locates the additional daemon based on that node > attribute.
Exactly what I needed! Thanks! Timo > Cheers, > Kristoffer > >> >> Best regards, >> >> Timo >> >> _______________________________________________ >> Users mailing list: [email protected] >> http://lists.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 >> > _______________________________________________ Users mailing list: [email protected] http://lists.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
