2015-12-23 06:46 PM - edited 2015-12-23 06:47 PM
Recently I started to manage a NetApp FAS2220 and I notice the following situation. The LUN that hold some of our VM's said that we have 287GB available but the volume that contains the LUN says it have 521Gb of available space. Where are those 200+GB lost?
2015-12-23 10:40 PM
On the Volumes screen, select the volume containing your lun and click on the storage efficiency tab at the bottom. Have a look at the total savings field.
Blocks freed by storage efficiency appear as free space at the volume level, but do not reduce the space allocated to the thin provisioned LUN.
2015-12-24 06:08 AM
It is on the volume details portion of the screen, at the bottom: