一、主从复制部署配置问题汇总
1、主库 show master status 没结果,主库 binlog 功能开关没改或没生效
[root@localhost ~]# egrep "server|log-bin" /data/3306/my.cnf log-bin = /data/3306/mysql-bin server-id = 1 mysql> show variables like 'server_id'; +---------------+-------+ | Variable_name | Value | +---------------+-------+ | server_id | 1 | +---------------+-------+ 1 row in set (0.00 sec) mysql> show variables like 'log_bin'; +---------------+-------+ | Variable_name | Value | +---------------+-------+ | log_bin | ON | +---------------+-------+ 1 row in set (0.00 sec) #提示:配置文件里的参数和 show varibles 里的参数不一样,例如my.cnf里log-bin,show的时候log_bin。
2、故障:change master时多了空格
3、锁表时间
4、服务器无法启动故障
补存:
5.1 flush tables with read lock
5.5 flush table with read lock