Create two new Cluster (NYC and FRA) — fresh (1 node per region) Create a new table in each NYC and FRA Create a bi-directional replication for the table (xCluster) All works Delete replication (1 and 2) both direction Alter table (add column) in each cluster (NYC and FRA) Create replication (1 and 2) both direction. One direction works, the opposite will fail with error unable to change the WAL retention time for table)
recreate the full cluster
