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used total size of df command is bigger than logical used of show-efficiency command

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832
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Votes:
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Category:
ontap-9
Specialty:
core
Last Updated:

Applies to

ONTAP 9

Issue

  • Total volume used using df command is bigger than logical used value of storage aggregate show-efficiency
  • Therefore, volume-level logical used value is bigger than aggregate-level logical used

"used" of "df" is 170GB
"Logical Used" of "show-efficiency" is 73.69GB.

cluster1::> df -h -aggregate aggr1_01
Filesystem               total       used      avail capacity  Mounted on                 Vserver
/vol/nfs1/               200GB      170GB       29GB      85%  /nfs1                      svm1
/vol/nfs1/.snapshot         0B         0B         0B       0%  /nfs1/.snapshot            svm1

cluster1::*> storage aggregate show-efficiency -advanced -aggregate aggr1_01
     Aggregate: aggr1_01
     Node: cluster1-01
----- Total Storage Efficiency ----------------
    Logical    Physical                 Storage
       Used        Used        Efficiency Ratio
----------- ----------- -----------------------
    74.30GB     60.30GB                  1.23:1
(snip)
-- Aggregate level Storage Efficiency ---------
(Aggregate Deduplication and Data Compaction)
    Logical    Physical                 Storage
       Used        Used        Efficiency Ratio
----------- ----------- -----------------------
    60.30GB     60.30GB                  1.00:1
-------- Volume level Storage Efficiency -----------
    Logical    Physical      Total Volume Level Data
       Used        Used   Reduction Efficiency Ratio
----------- -----------   --------------------------
    73.69GB     59.84GB                       1.23:1
---- Deduplication ---- ------ Compression ----
    Savings  Efficiency     Savings  Efficiency
                  Ratio                   Ratio
----------- ----------- ----------- -----------
    13.84GB      1.23:1          0B      1.00:1

 

 

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