Good post by Scott Lowe (thank you) in the Wikibon Community
I recently heard a question that I thought was particularly interesting: “Why do vendors claiming to provide software defined storage only ship with hardware?” There are actually a number of reasons, and, frankly, I wouldn’t have it any other way.
“Software defined” doesn’t mean “no hardware”
First of all, just because a service is described as being defined or led by software, does not mean that the hardware simply disappears from the equation.
Read on here