除了在需要时可以发现信息外，这样做还可以实现集中的、专业管理的冗余系统和备份。
Besides making it possible to find the information when you need it, doing this also enables centralized, professionally managed redundant systems and backups.
虽然应对数据丢失的最佳方式是数据冗余和实时备份，我们理解有些时候数据丢失会偷偷盯上你。
While the best defense against data loss is redundant and real-time backup, we understand that sometimes data loss sneaks right up on you.
对节点部分采用双工热备份或多机冗余技术，通过硬切换保障系统实时性和对过程的保护。
It USES online dual backup or multiserver redundance plan in all nodes, which meets realtime demand and process protected by hardware switching.
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