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Why Auto Adaptive Compression Savings value is different between ONTAP 9.7 and 9.8?

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Applies to

  • AFF systems
  • ONTAP 9.8
  • Temperature sensitive storage efficiency (TSSE)

Answer

  • ONTAP 9.7 and ONTAP 9.8 has a different value in Auto Adaptive Compression Savings:

ONTAP 9.7:
cluster1::*> storage aggregate efficiency show -aggregate data_aggr1
                             Aggregate: data_aggr1
                                  Node: cluster1_node01
Has Auto Adaptive Compression Savings: false   

ONTAP 9.8:
cluster2::*> storage aggregate efficiency show -aggregate data_aggr2
                             Aggregate: data_aggr2
                                  Node: cluster2_node01
Has Auto Adaptive Compression Savings: true     <<< TSSE enabled

  • TSSE was introduced in ONTAP 9.8 and was enabled automatically on newly created thin-provisioned AFF volumes.

Additional Information

 

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