Although I consider it the main stumbling block for thin provisioning, communication (or lack thereof) is being addressed with metadata monitoring, WRITE_SAME, the Veritas Thin API, and other ideas. But communication isn't the only issue. Let's talk about page sizes. You'll often see vendors tossing this "softball" objection at their competitors, claiming that their … [Read more...] about Granularity of Thin Provisioning Approaches