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Why does each FlexCache volume show different reserve size

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Category:
ontap-9
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core
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Applies to

ONTAP 9

Answer

  • FlexCache volume only has data that is requested by the clients that are mounted to it, each cache’s data is different.
  • These differences are a direct result of the client requests at the caches.
  • FlexCache volumes need reserve spaces based on REM & RIM that make sure origin volume write-around/overwrite can be successful.
Notes:
  • Remote Entry Metafile (REM). A file at the origin that holds delegation information for all the files that are being actively cached in a FlexCache.
  • Remote Index Metafile (RIM). A file at the cache that holds delegation information for all the files that are being cached at that FlexCache

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