Individual snapshot size doesn't match the DF output for that volume
Applies to
- ONTAP 9
- Space management
- Snapshots
Issue
- There is a significant discrepancy between the amount of disk space that is listed in the output of the
snap list
anddf
commands. - Total Snapshot size from
snap show
and/orsnap list
command is smaller from size shown withdf -h
command for that volume.- Not all the volumes are affected.
- Example output:
::> df -h -vserver svm1 -volume vol1
Filesystem total used avail capacity Mounted on Vserver
/vol/vol1/ 18TB 16TB 1970GB 89% /vol1 svm1
/vol/vol1/.snapshot 972GB 2763GB 0B 284% /vol1/.snapshot svm1
2 entries were displayed.
::> snap list -vserver svm1 -volume vol1
---Blocks---
Vserver Volume Snapshot Size Total% Used%
-------- -------- ------------------------------------- -------- ------ -----
svm1 vol1
weekly.2020-02-11_2138 1.15TB 6% 7%
weekly.2020-02-18_2138 221.8GB 1% 1%
weekly.2020-02-25_2138 29.49GB 0% 0%
weekly.2020-03-03_2138 308KB 0% 0%
daily.2020-03-03_2138 188KB 0% 0%
daily.2020-03-04_0010 936KB 0% 0%
hourly.2020-03-04_0505 228KB 0% 0%
7 entries were displayed.