高可用高性能分布式文件系统FastDFS进阶keepalived+nginx对多tracker进行高可用热备
在上一篇 分布式文件系统FastDFS如何做到高可用 中已经介绍了FastDFS的原理和怎么搭建一个简单的高可用的分布式文件系统及怎么访问。 高可用是实现了,但由于我们只设置了一个group,如果现在有5台服务器那将会出现5台只有一个group,每台服务器内的文件内容都相同(互备份)如下图,会造成资源浪费。 因此下面就5台服务器进行优化改造,进一步添加kee...

一脸懵逼学习keepalived(对Nginx进行热备)
1:Keepalived的官方网址:http://www.keepalived.org/ 2:Keepalived:可以实现高可靠; 高可靠的概念: HA(High Available), 高可用性集群,是保证业务连续性的有效解决方案,一般有两个或两个以上的节点,且分为活动节点及备用节点。 3:高可靠软件:keepalived: keepalive是一款可以实现高可靠的软件,通.....
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