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How to resize SnapMirror source and destination volumes in ONTAP 9.13

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Applies to

  • ONTAP 9.13.x
  • SnapMirror asynchronous replication (DP/XDP)

Description

  • Goal: Change volume sizes.
  • Context:
    • Vol01 (NFS) shrink: 25 TB to 10 TB.
    • Vol02 (CIFS) expand: 37 TB to 52 TB.
    • Both volumes are SnapMirror sources.
  • Key behavior:
    • Expansion: Destination must be expanded to be equal to or larger than the source to avoid SnapMirror update failures.
    • Shrink: Destination shrink is optional; perform only if used size is below the planned new size.

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