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自動アダプティブ圧縮による削減効果の値がONTAP 9.7と9.8で異なるのはなぜですか？

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環境

  • AFFシステム
  • ONTAP 9.8
  • 温度識別型Storage Efficiency（TSSE）

回答

  • ONTAP 9.7とONTAP 9.8では、自動アダプティブ圧縮による削減効果の値が異なります。

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が有効です

  • TSSEはONTAP 9.8で導入され、新しく作成したシンプロビジョニングAFF ボリュームで自動的に有効になりました。

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