简单的MySQL数据库主从同步配置 数据库主从同步的原理
时间:2018-08-15 16:33:33 来源:写作资料库 本文已影响 人
Master配置:
代码如下log-bin = mysql-bin
server-id = 1
binlog-do-db = powerdns #要同步的数据库
Master新增slave账号:
代码如下mysql> GRANT replication slave ON *.* TO "slave"@"192.168.1.2" IDENTIFIED BY "passwd";
mysql> FLUSH privileges;
重启Master MySQL,查看Master状态信息,记住File名称,POS位置。
代码如下mysql> show master status;
+------------------+----------+--------------+------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000002 | 309 | powerdns | mysql |
+------------------+----------+--------------+------------------+
1 row in set (0.00 sec)
Slave配置:
代码如下server-id =2
开始同步:
代码如下mysql> CHANGE master TO master_host="192.168.1.1",master_user="slave",master_password="passwd",
master_log_file="mysql-bin.000002",master_log_pos=309;
mysql> START slave;
查看Slave同步状态:
代码如下mysql> SHOW slave STATUSG;
Slave_IO_Running: Yes
Slave_SQL_Running: Yes