mysql 主从复制

master

# /etc/my.cnf

# server-id 节点ID 不能重复
server-id=1
log-bin=mysql-bin

# binlog-do-db=test  表示需要同步的数据库节点
# binlog-do-db=test



# binlog-ignore-db  表示不需要同步的数据库节点
# 每个数据库配置1条
# binlog-ignore-db=performance_schema
# binlog-ignore-db=mysql
# binlog-ignore-db=information_schema

slave

# slave server id
server-id=101

#  重启mysql
systemctl restart mysqld

# 查看master状态
show master status;


# 创建账号
CREATE USER 'repl'@'%' IDENTIFIED BY '123456';

# 分配权限
grant replication slave on *.* to 'repl'@'%' identified by '123456';

slave

# 在mysql控制台输入

语法: mysql> CHANGE MASTER TO MASTER_HOST = host, MASTER_PORT = port, MASTER_USER = user,
             MASTER_PASSWORD = password;



CHANGE MASTER TO MASTER_HOST='192.168.5.212', MASTER_PORT=13306,MASTER_USER='repl', MASTER_PASSWORD='123456';

# 开启
start slave;


# 关闭
stop slave;

# 用于删除SLAVE数据库的relaylog日志文件 需要先stop
set slave;


show slave status \G;


# drop user 'repl'@'%';


flush privileges;