配置 MySQL 双机热备份_MySQL
双机热备份
1、mysql 数据库没有增量备份的机制，当数据量太大的时候备份是一个很大的问题。还好 mysql 数据库提供了一种主从备份的机制，其实就是把主数据库的所有的数据同时写到备份数据库中。实现 mysql 数据库的热备份。 U'YN?bqz?LZTS
2、要想实现双机的热备首先要了解主从数据库服务器的版本的需求。要实现热备 mysql 的版本都要高于3.2，还有一个基本的原则就是作为从数据库的数据库版本可以高于主服务器数据库的版本，但是不可以低于主服务器的数据库版本。 dP9%x9y4O
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3、设置主数据库服务器： Xo#S1
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