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使用済み論理スペースがボリュームの最大サイズに達すると、書き込みが失敗します

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環境

ONTAP 9

問題

  • Mon Sep 27 15:50:40 +0200 [exonet-netapp-c3-01: wafl_spcd_main:monitor.vol.nearFull.inc.sav:alert]: Volume vol1@vserver:vserver1 (UUID 856709fa-6a1b-11eb-9afb-d039ea140bb7) is nearly full (reserved or using 97%% of space including savings and 0%% of inodes「 Is being returned 」というエラーメッセージが表示されます。 
  • Linux とネットアップで使用されるボリュームの値が異なります。この違いは、 Storage Efficiency による総削減量の値と同じです。
例:
 
Linux で使用されているボリュームは 9TB です。 
 
Filesystem     Size   Used   Avail  Use%  Mounted on
10.10.10.10:/vol1 12T   9T    3T    75%   /vol1  
 
物理スペースの値は 6TB ですが、 
 
Vserver  Volume    Aggregate   State    Type   Size   Available  Used%
--------- ------------ ------------ ---------- ---- ---------- ---------- -----
vserver1  vol1     aggr1     online    RW   12TB     6TB   50% 
 
Storage Efficiency 機能で削減されたボリュームは 3TB と同じです。 
 
Filesystem  Used    Total-saved  %total-saved  deduplicate %deduplicated compressed %compressed
/vol/vol1/  5693065812  3221225472     35%     3221225472    35%       0      0%   

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