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Keepalived+LVS-13442945
source link: http://blog.51cto.com/13452945/2074024
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一、Keepalived1.1 介绍keepalived观察其名可知，保持存活，在网络里面就是保持在线了，也就是所谓的高可用或热备，它集群管理中保证集群高可用的一个服务软件，其功能类似于heartbeat，用来防止单点故障(单点故障是指一旦某一点出现故障就会导致整个系统架构的不可用)的发生。说到keepalived就不得不说VRRP协议，可以说这个协议就是keepalived实现的基础，那么首先我
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