Skip to main content
NetApp Knowledge Base

Snapshot size sum does not match volume field space-used-by-snapshots

Last Updated:

Applies to



  • Field size-used-by-snapshots on volume does not match summed up per-snapshot size:
::>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%
              25.00GB     0%    0%
                220KB     0%    0%
4 entries were displayed.

  • Node shell command snap status shows some or all snapshots in status creating:
::> 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 (53436/53516 remaining)
212     creating   Aug 13 09:15  15610097     9.7 35092 (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
  • Node shell command wafl scan status shows some scans with a low scan ID which are long-running :

::> system node run -node <node_with_volume> -command "wafl scan status vol1"

Volume vol1:
Scan id                   Type of scan     progress
  132590     snap create summary update     block 729 of 395662
      10     blocks used summary update     block 1592 of 395662

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.


  • Was this article helpful?