Viewing the used capacity of a Thin Image pool
Procedure
Open the Pools window.
In Command Suite:
On the Resources tab, click Storage Systems, and then expand All Storage Systems and the target storage system.
Right-click DP Pools, and then select System GUI.
In Device Manager - Storage Navigator:
Click Storage Systems, and then expand the Storage Systems tree.
Click Pools.
Review the Used Pool Capacity of pools listed in the Primary Volumes table.