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AWS S3では、ONTAPクラスタから確認されるよりも大きな使用量が表示されます

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cloud-tiering
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環境

  • ONTAP 9
  • Cloud Volumes ONTAP(CVO)
  • AWS
  • BlueXP階層化

問題

階層化されたアグリゲートは、ONTAPクラスタから見た次のような使用状況を示します:

Aggregate : AGGR1_S3_Tiered
S3Bucket
      Feature                                                 Used      Used%
      ---------------------------------------------      -------------      -----
      Logical Used                                             503TB       -
      Logical Referenced Capacity                              476TB       -
      Logical Unreferenced Capacity                           26.7TB       -
      Space Saved by Storage Efficiency                       34.2TB       -

      Total Physical Used                                      468TB       -

 
AWSポータルからは、接続されたオブジェクトストアに、ONTAPからは確認できない重要な追加使用量があります:
 
 
clipboard_e1788f5d27dc788fb0837a902fdd2a425.png
 
観測された差は727.6TB(AWSビュー)- 468TB(ONTAPビュー)= AWS S3バケット内の説明のつかない使用量259.6TBと記録されました。

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