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Unable to reclaim the space on the volume with high dedup savings

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Category:
ontap-9
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core
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Applies to

ONTAP 9

Issue

  • After deletion of 10TB of data the volume still doesn't show this space back.
  • df -h shows total savings decreased.
    • ​Before deletion
Filesystem    Total Size    used    avail    capacity    Mounted on    iused    ifree    %iused    reserved    total-saved    %total-saved    
 /vol/abc022/      96.33t      94.22t      2.11t      98%      /vol/abc022/      40.04m      3.43m      92%      NaN      186.03t      66%      186.03t
  • After deletion
Filesystem    Total Size    used    avail    capacity    Mounted on    iused    ifree    %iused    reserved    total-saved    %total-saved   
/vol/abc022/      99.99t      97.41t      2.59t      97%      /vol/abc022/      39.70m      3.77m      91%      NaN      164.17t      63%      164.17t     

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