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Significant difference in space usage occurs between two ONTAP SM-As ASA r2 cluster aggregates

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Applies to

  • NetApp ONTAP 9.x ASAr2
  • All SAN Arrays (ASA)
  • SnapMirror Active Sync (SM-As)

Issue

  • A significant discrepancy was observed in the physical space usage between aggregates in two ONTAP clusters  that contain SnapMirror Active Sync (SM-As) relationships.
  • Both clusters were expected to have the same data footprint, but aggregate usage reports showed much higher consumption on the secondary cluster.

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