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NVMe 支持哪种缓存类型？

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适用场景

  • ONTAP 9
  • Flash Cache NVMe

问题解答

NVMe 为读取缓存，并支持 ‘re纯 ' 缓存类型。

追加信息

  • 工作原理
  1. 从磁盘中检索非内存或缓存中数据的初始读取请求。
  2. 将数据插入控制器内存，缓冲区，然后发送给请求者。
  3. 数据块在从内存释放之前会复制到 Flash 缓存中。
  4. 同一数据块的另一个读取请求，在该数据块处于缓存中时，该数据块会复制到内存并发送给请求者。

 

 

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