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CONTAP-487555：增强 Flash Cache 抵御外部数据不一致的能力

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ontap-9
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问题描述

如果硬件或软件缺陷导致内存中的 WAFL 不一致，在极少数情况下，如果在缓存时间之前未检测到损坏，则损坏可能会持续到 Flash Cache当稍后从 Flash Cache 读取此块时，可能会将其检测为 WAFL 不一致。

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