def METHOD_NAME(instance, suffix):
    repl = ReplicationManager(DEFAULT_SUFFIX)
    repl._ensure_changelog(instance)
    replicas = Replicas(instance)
    replicas.create(properties={
        'cn': 'replica',
        'nsDS5ReplicaRoot': suffix,
        'nsDS5ReplicaId': '1',
        'nsDS5Flags': '1',
        'nsDS5ReplicaType': '3'
        })