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Why does my volume is 10% bigger than a PVC

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Category:
trident-kubernetes
Specialty:
snapx
Last Updated:

Applies to

  • Trident
  • Ontap-SAN driver

Answer

It is by design. In order to ensure readability of the LUN, volume must have an extra space.

Additional Information

Trident calculates the size of volumes as follows:

Total volume size = [(PVC requested size) / (1 - (snapshotReserve percentage) / 100)] * 1.1

 

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