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What is the correct relationship between capacity metrics shown in ONTAP System Manager volume capacity view

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ontap-9
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core
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Applies to

  • ONTAP 9.x
  • ONTAP System Manager (GUI)
  • Volume capacity view (Overview tab)

Answer

The relationships between capacity values in ONTAP System Manager are as follows:
  • Total size (Size) = Data space + Snapshot reserve
  • Data space (Data space) = Data used + Available
  • Snapshot usage (Snapshot used) = Snapshot reserve + Snapshot overflow

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