Without this fix, we could register first a node that is not meant to be a
primary. The node then is assigned REPORT_LSN, but there is no primary in
the group yet, and now, all the other nodes fail to register because there
is already a node registered, but there is no primary...
Without this fix, we could register first a node that is not meant to be a primary. The node then is assigned REPORT_LSN, but there is no primary in the group yet, and now, all the other nodes fail to register because there is already a node registered, but there is no primary...