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Snapshotコピーによるスペース使用量の不一致

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Category:
ontap-9
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CORE
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環境

  • ONTAP 9
  • Snapshot 数

問題

df-h コマンドで、Snapshot用の使用済みスペースの割合が非常に大きいことが報告されていました。

cluster01::> vol show vol1

Vserver   Volume       Aggregate    State      Type       Size  Available Used%

--------- ------------ ------------ ---------- ---- ---------- ---------- -----

svm01    vol1       aggr1       online   RW     19TB 3.86TB  78%

cluster01::> df -h vol1

Filesystem               total       used      avail capacity  Mounted on                 Vserver

/vol/vol1/         18TB      14TB     3948GB      78%  /vol1    svm1

/vol/vol1/.snapshot 972GB 3771GB  0B     388%  /vol1/.snapshot  svm1

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