MySQL Replication / ... / Configuring Replication / Setting Up Binary Log File Position Based Replication / Setting Up Replicas
The following sections describe how to set up replicas. Before you proceed, ensure that you have:
Configured the source with the necessary configuration properties. SeeSection 2.2.1, “Setting the Replication Source Configuration”.
Obtained the source's status information, or a copy of the source's binary log index file made during a shutdown for the data snapshot. SeeSection 2.2.3, “Obtaining the Replication Source's Binary Log Coordinates”.
On the source, released the read lock:
mysql> UNLOCK TABLES;