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- ### ON MASTER
- ```
- $ yum install mariadb-server
- $ systemctl restart mariadb
- $ systemctl enable mariadb
- $ mysql_secure_installation
- ```
- On /etc/my.cnf, add
- ```
- server_id=1
- log-basename=master
- log-bin
- ```
- ```
- $ systemctl restart mariadb
- $ mysql -u root -p
- MariaDB [(none)]> STOP SLAVE;
- MariaDB [(none)]> GRANT REPLICATION SLAVE ON *.* TO 'slave'@'%' IDENTIFIED BY '123';
- MariaDB [(none)]> FLUSH PRIVILEGES;
- MariaDB [(none)]> FLUSH TABLES WITH READ LOCK;
- MariaDB [(none)]> SHOW MASTER STATUS;
- +--------------------+----------+--------------+------------------+
- | File | Position | Binlog_Do_DB | Binlog_Ignore_DB |
- +--------------------+----------+--------------+------------------+
- | mariadb-bin.000001 | 460 | | |
- +--------------------+----------+---------
- ```
- Keep session on, donβt logout. Open new terminal and dump the db to file:
- ```
- $ mysqldump --all-databases --user=root --password --master-data > masterdatabase.sql
- ```
- Back on the previous ternimal:
- ```
- MariaDB [(none)]> UNLOCK TABLES;
- ```
- Copy the dump file to slave server
- ```
- $ scp masterdatabase.sql root@slave.server.com:/root/
- ```
- ### ON SLAVE
- ```
- $ yum install mariadb-server
- $ systemctl restart mariadb
- $ systemctl enable mariadb
- $ mysql_secure_installation
- ```
- On /etc/my.cnf, put server_id=2. Then import the copy from the master database.
- ```
- $ mysql -u root -p < masterdatabase.sql
- $ systemctl restart mariadb
- $ mysql -u root -p
- MariaDB [(none)]> STOP SLAVE;
- MariaDB [(none)]>
- CHANGE MASTER TO
- MASTER_HOST='master.server.com',
- MASTER_USER='slave',
- MASTER_PASSWORD='mypassword',
- MASTER_PORT=3306,
- MASTER_LOG_FILE='mariadb-bin.000001',
- MASTER_LOG_POS=460,
- MASTER_CONNECT_RETRY=10;
- MariaDB [(none)]> SLAVE START;
- MariaDB [(none)]> SHOW SLAVE STATUS\G;
- ```
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