MS复制

环境：master原来没有旧数据

1.master和slave都关闭防火墙
#systemctl stop firewalld
#setenforce 0

master Mysql

修改配置文件

#vim /etc/my.cnf
[ ]
log-bin=mylog
server-id=1

创建账户

mysq> grant replication slave,reload,super on *.* to 'slave'@'%' identified by '123';
mysql>flush privileges;

重启服务

#systemctl restart mysqld

slaveMysql

修改配置文件

#vim /etc.my.cnf
[mysqld]
server-id=2

启动服务

#systemctl restart mysqld

制定主服务器信息

先去master查看日志信息

mysql> show master status \G

slave指定

mysql> help change master to
mysql> CHANGE MASTER TO
MASTER_HOST='masterIP',
MASTER_USER='slave',
MASTER_PASSWORD='123',
MASTER_PORT=3306,
MASTER_LOG_FILE='mylog.000001',
MASTER_LOG_POS=4,
MASTER_CONNECT_RETPY=10;

启动slave服务

mysql> start slave;
mysql> show slave status;