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volume show-footprint コマンドでは、使用済みのスペースが遅延解放されて表示されます

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環境

  • ONTAP 9.2 以降
  • FabricPoolボリューム

問題

には大きな値があり、コマンドDelayed Freesの実行時に値が設定されていても変更されないことがあります。 volume show-footprint-tiering-policy all.

には次Delayed Freesのような大きな値があり、パフォーマンス階層には残りのデータです。

 Cluster::> volume show-footprint
(output ommitted)
    Vserver : SVM1
      Volume  : vol1

      Feature                                          Used    Used%
      --------------------------------           ----------    -----
      Volume Data Footprint                         15.41GB       0%
             Footprint in Performance Tier
                                                     4.65GB      25%
             Footprint in <Cloud Tier name>
                                                    14.14GB      75%
      Volume Guarantee                                   0B       0%
      Flexible Volume Metadata                      858.1MB       0%
      Cross Volume Deduplication                        4KB       0%
      Delayed Frees                                  3.38GB       0%
      Total Footprint                               19.62GB       0%

この現象は、使用されているアグリゲートの合計サイズがボリュームの合計サイズを超えていることが確認されることもあります。

 

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