- ONTAP 9
- OnCommand System Manager
The volume "Over Provisioned Space" value provided in OnCommand System Manager (OCSM) is the "Over Provisioned Size" field provided by the volume show at the cluster shell.
This value is determined by the following formula:
(volume size) - (volume used) - (volume space available) - (snapshot used space) == storage that can't be provided by the a ggregate if written to the volume