mysql主从部署keepalived

在mysql主从部署中，keepalived可以用来实现高可用。首先，需要完成主从同步的配置。然后，安装和部署keepalived。keepalived可以保证在主数据库宕机时，自动将从数据库切换为主数据库，以实现无缝的切换并保证服务的可用性。为了保证高可用性，可以使用check_mysql.sh脚本来检测mysql的状态，如果mysql无法连接，则停止keepalived服务。这样，当主数据库宕机时，keepalived会自动将从数据库提升为主数据库，并继续提供服务。这样的部署可以确保在主数据库故障时，系统能够顺利切换到从数据库，从而保证数据的连续性和可用性。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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