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IBM System Storage N series Software Guide by Marco Schwarz, Tom Provost, Steven Pemberton, Dirk Peitzmann, Jeff Lin, Roland Tretau

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FlexCache volumes
This chapter provides an introduction to FlexCache, a feature of Data ONTAP that implements file caching for NFS environments.
The following topics are covered:
Caching
FlexCache Reads
FlexCache Write
Caching Granularity
7.1 Introduction
FlexCache is a caching technology that provides a cache architecture at the storage protocol layer. Similar to the way a cache in the memory architecture of a compute system improves performance, FlexCache improves performance in your NFS environments by scaling out cache volumes for increased ...

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