业务需要数据冗余来保护，以免受单个硬盘故障的威胁。

Businesses need data redundancy to protect against individual hard-drive failures.

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这个新的8字节dif字段包括一个循环冗余代码(CRC)用以保护数据，一个参考标签用以保护数据免遭误导写入，以及一个应用程序标签。

The new 8-byte DIF field includes a cyclical redundancy code (CRC) to protect the data, a reference tag to protect against misdirected writes, and an application tag.

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发电机提供冗余电源保护，支付额外的费用还可以配备电池，比如ups。

Redundant power is provided by a generator and for an additional fee can be provided by battery as a UPS.

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