You don't need to take down the other masters, but need to establish a maintenance window (no DDLs) to ensure the table metadata is consistent between followers and the leader. If it is hard in production, alternative is to ensure the master to be taken down is not the leader (to avoid lose data). ... View more

Thanks again this seemed to have fixed the issue I am going through most of the tables as it looks like a few of them are still trying to talk to the old UUID.  ... View more