On 16:50 Fri 13 Apr , Michael S. Tsirkin wrote: > > So the question is whether the best default is 2.5 Gbps which would > > allow any nodes to join or whether the current default is appropriate ? > > I know certain people's opinions who have been vocal on this list up to > > now. I'm looking for other opinions. Thanks. > > Just as a summary of what I was saying in another thread, > I propose implementing a dynamic approach, where we start at > 4x DDR, and drop the rate gradually as lower rate nodes join, > or raise the rate when all lower rate nodes have left. > > reregister can be used to let existing members know that > rate has changed.
Reregistration is not easy process and it does not scale very well - in order to join only one slow port you will need to reregister a whole cluster. Also I remember some issues with such massive re-registrations like dropped and reordered MADs. > Later, a spec extension can be designed > to notify group members about rate change. I think we should start to discuss dynamic approach at this point - I don't like full reregistration option. Sasha _______________________________________________ general mailing list [EMAIL PROTECTED] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
