The Ultimate Guide to High Availability with MariaDB

Comments - Multi-Source Replication

11 years ago roberto spadim
Example of multi source replication
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HOW TO START A SINGLE MULTI SOURCE REPLICATION WITH WINDOWS (no config file) + MARIADB 10.0.0

1)Install MariaDB 10.x 2)Open 3 MariaDB terminals 3)Run 3 MariaDB instances, example: "C:/Program Files/MariaDB 10.0/bin/mysqld" --datadir="C:/Program Files/MariaDB 10.0/data1" --log-error="C:/Program Files/MariaDB 10.0/log/1.log" --port=3306 --server-id=1 --relay_log_space_limit=1024000000 --log-bin=bin1 --binlog-do-db=test "C:/Program Files/MariaDB 10.0/bin/mysqld" --datadir="C:/Program Files/MariaDB 10.0/data2" --log-error="C:/Program Files/MariaDB 10.0/log/2.log" --port=3307 --server-id=2 --relay_log_space_limit=1024000000 --log-bin=bin2 --binlog-do-db=test "C:/Program Files/MariaDB 10.0/bin/mysqld" --datadir="C:/Program Files/MariaDB 10.0/data3" --log-error="C:/Program Files/MariaDB 10.0/log/3.log" --port=3308 --server-id=3 Here server-id 1 and 2 are masters, and 3 is slave

4)Create database t1 in server-id=1, and t2 in server-id=2, like: CREATE TABLE t1; CREATE TABLE t2;

5)Check if t1 and t2 exists in server-id=3 (slave), if not create it 6)Configure Masters in server-id=3: SET @@default_master_connection='t1'; CHANGE MASTER 't1' TO MASTER_HOST = '127.0.0.1', MASTER_USER = 'user', MASTER_PASSWORD = 'password', MASTER_PORT = 3306; SET @@default_master_connection='t2'; CHANGE MASTER 't2' TO MASTER_HOST = '127.0.0.1', MASTER_USER = 'user', MASTER_PASSWORD = 'password', MASTER_PORT = 3307;

7)Here Slave is up, now let's check status: (at server-id=3) SHOW ALL SLAVES STATUS you will see two connection (if everything is ok)

8)Check Masters: (at server-id=1 and 2) SHOW MASTER STATUS; you will see log files and positions

9)Start replications: (at server-id=3) START ALL SLAVES;

10)TEST IT! =D (open server-id=1) CREATE TABLE t (a int); INSERT INTO t VALUES (0),(1),(2),(3);

11)CHECK REPLICATION (open server-id=3) USE t1; SELECT * FROM t; you will see 0,1,2,3 rows! :D

12) BE HAPPY =D

 
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