But: >Total storage usage reduced by ~21% (for our dataset, this is on the order of petabytes) If 21% reduction is "millions" they should be spending in exces

But: >Total storage usage reduced by ~21% (for our dataset, this is on the order of petabytes) If 21% reduction is "millions" they should be spending in excess of 10 millions (each what? week/month/year?) provided that there is a linear correlation between storage usage and (failed and needing to be replaced?) SSD costs.