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Is it necessary to set the same compression algorithm in both FlexCache and Origin volume when origin volume set with zstd compression?

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ontap-9
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CORE
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Applies to

  • ONTAP 9
  • FlexCache Volume
  • Temperature-sensitive storage efficiency(TSSE)

Answer

No. It is not necessary to set the same compression algorithm in both FlexCache and Origin volume.

  • zstd compression is only supported for TSSE.
  • The cache volume will default to file compression (i.e. default mode). This is because mostly the cache volumes are used for improving performance of reads and cache hot data; hence cold data compression cannot provide any additional benefits.

Additional Information

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