详解Mysql主从同步配置实战

bind-address = 192.168.33.22 #your master ip
server-id = 1 #在master-slave架构中，每台机器节点都需要有唯一的server-id
log_bin = /var/log/mysql/mysql-bin.log #开启binlog

sudo systemctl restart mysql

$ mysql -u root -p
Password:

##创建slave1用户，并指定该用户只能在主机192.168.33.33上登录。
mysql> CREATE USER 'slave1'@'192.168.33.33' IDENTIFIED BY 'slavepass';
Query OK, 0 rows affected (0.00 sec)

##为slave1赋予REPLICATION SLAVE权限。
mysql> GRANT REPLICATION SLAVE ON *.* TO 'slave1'@'192.168.33.33';
Query OK, 0 rows affected (0.00 sec)

mysql> FLUSH TABLES WITH READ LOCK;
Query OK, 0 rows affected (0.00 sec)

mysql> SHOW MASTER STATUS;
+------------------+----------+--------------+------------------+-------------------+
| File    | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |
+------------------+----------+--------------+------------------+-------------------+
| mysql-bin.000001 |  613 |    |     |     |
+------------------+----------+--------------+------------------+-------------------+
1 row in set (0.00 sec)

$ mysqldump -u root -p --all-databases --master-data > dbdump.sql

mysql> UNLOCK TABLES;

scp dbdump.sql ubuntu@192.168.33.33:/home/ubuntu

bind-address = 192.168.33.33 #your slave ip
server-id = 2 #master-slave结构中，唯一的server-id
log_bin = /var/log/mysql/mysql-bin.log #开启binlog

sudo systemctl restart mysql

$ mysql -u root -p < /home/ubuntu/dbdump.sql

$ mysql -u root -p
Password:

mysql> STOP SLAVE;
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> CHANGE MASTER TO
 -> MASTER_HOST='192.168.33.22',
 -> MASTER_USER='slave1',
 -> MASTER_PASSWORD='slavepass',
 -> MASTER_LOG_FILE='mysql-bin.000001',
 -> MASTER_LOG_POS=613;
Query OK, 0 rows affected, 2 warnings (0.01 sec)

mysql> START SLAVE;
Query OK, 0 rows affected (0.00 sec)