- ONTAP 9
- Thin provisioned volumes
- It is normally expected that the volume available size = total size - used size.
- However, for a thin provisioned volume sometimes the available size is reported < total size - used size.
cluster1::> df -h vol1
Filesystem total used avail capacity Mounted on Vserver
/vol/vol1/ 972GB 200GB 524GB 20% /vol1 svm1