EV9 Reports - Storage Query

Hi,

Running some management reports and based on the SAN I know my EV partitions use around 25TB.

Using the 'Single Instance Storage Reduction Summary’ summary I get a 'Total Compressed Size (GB)' of around 17 TB i.e. nowhere near. My query is how can I get a total storage size from the standard SQL reports?

(this is only Store/Partition data, not indexes or anything else)

Thanks,

Ells