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Snapshot サイズの合計が、ボリュームのフィールド space-used by snapshots と一致しません

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環境

ONTAP 9

問題

  • ボリューム上のフィールド・サイズ - スナップショットごとの合計サイズとは一致しません:
::>vol show
vserver          volume       size-used-by-snapshots
---------------- ------------ ----------------------
svm1             vol1       100GB

 
::> snapshot show -vserver svm1 -volume vol1
Vserver  Volume   Snapshot                                  Size Total% Used%
-------- -------- ------------------------------------- -------- ------ -----
svm1     vol1     daily.2021-08-12_0010                 50.00GB     0%    0%
                  daily.2021-08-13_0010                  4.00MB     0%    0%
                  vserverdr.0.xxx.2021-08-13_091500     25.00GB     0%    0%
                  vserverdr.1.xxx.2021-08-13_093000       220KB     0%    0%
4 entries were displayed.

 
  • ノードシェルコマンドで snap statusstatuscreating、次の場所にある一部またはすべてのスナップショットが表示されます
::> system node run -node <node_with_volume> -command "snap status vol1" snapid status     date           ownblks release fsRev name
------  ------     ------------   ------- ------- ----- --------
213    creating   Aug 13 09:30        55     9.7 35092 vvserverdr.1.xxx.2021-08-13_093000 (53436/53516 remaining)
212    creating   Aug 13 09:15  15610097     9.7 35092 vvserverdr.0.xxx.2021-08-13_091500 (53436/53516 remaining)
150    creating   Aug 13 00:10      1041     9.7 35092 daily.2021-08-13_0010  (53436/53516 remaining)
113    creating   Aug 13 00:10   1858934     9.7 35092 daily.2021-08-12_0010

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