Is pacemaker a supported alternative for rgmanager? Starting with which version of Red Hat Enterprise Linux? Thank you, Laszlo On 03/04/2011 07:06 PM, Lon Hohberger wrote: > On Sun, Feb 27, 2011 at 06:08:41PM +0200, Budai Laszlo wrote: >> Hi all, >> >> is there a way to define location dependencies among services? for >> instance how can I define that Service A should run on the same node as >> service B? Or the opposite: Service C should run on a different node >> than service D? >> > rgmanager doesn't have this feature built-in; you can define > 'collocated services' by simply creating one large service comprising > all of the resources for both services. > > You could probably trivially extend central_processing mode to do "anti > collocation" (i.e. run on another node). > > The 'follow_service.sl' script is an example of how to do part of > 'anti-collocation'. The way it works, it starts service A on a > different node from service B. If the node running service A fails, it > is started on the same node as service B, then service B is moved away > to another (empty, usually) node in the cluster. > > Alternatively, pacemaker supports this functionality. > -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
