This article explores the concepts of redundancy and failover as applied to virtualization environments in addition to the open source offerings for software HA.
除针对软件HA的开源产品之外，本文还探讨了应用于虚拟化环境的冗余与故障恢复的一些概念。
Terracotta is designed with total HA in mind (n + m redundancy — as many backups as you want, continuous upgrades with no downtime, etc.).
Terracotta设计时就考虑了全面的HA (n +m冗余度——你可以有任意多的备份，不停机的持续升级，等等)。
With redundancy being the key feature of an ha cluster, the components that are essential in this example are node management, a distributed file system, volume management, and monitoring.
由于冗余是ha集群的关键特性，因而在这个例子中基本的组成部分包括节点管理、分布式文件系统、卷管理和监控。
With redundancy being the key feature of an ha cluster, the components that are essential in this example are node management, a distributed file system, volume management, and monitoring.
由于冗余是ha集群的关键特性，因而在这个例子中基本的组成部分包括节点管理、分布式文件系统、卷管理和监控。
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