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How do storage efficiencies affect volume move?

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Applies to

  • ONTAP 9

Answer

  • When a volume is moved, the footprint it takes up does not include the storage efficiencies at the aggregate level.
    • The space will be inflated when moved to a new aggregate until the storage efficiencies can finish once the move is complete.
  • To view this footprint:
    • 9.13.1 and below: use the volume show command and check the total physical used output.
    • 9.14.1 and newer: use the volume show-footprint and check the effective_total_footprint value.

Example:

Cluster::> set -privilege  diagnostic; volume show-footprint -fields effective-total-footprint; set -privilege admin

Warning: These diagnostic commands are for use by NetApp personnel only.
Do you want to continue? {y|n}: y

vserver  volume  effective-total-footprint
-------- ------- -------------------------
svm1     volume1 226.4MB

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