I get the same questions all the time: Should I buy X or Y? Is Z better than Q? But as much as it sounds like a cop-out, I always answer, "well, this sounds like a cop-out, but that depends on what you're doing with it..." Now EMC's Chuck Hollis has (bravely) stuck his neck out to try to actually compare the capacity efficiency three storage arrays in a realistic way. Good … [Read more...] about Grapples and Tangelos: Why it’s Impossible to Compare Fairly