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
If WRITE_SAME can be a semaphore for thin un-provisioning, what about TRIM? It sounds like a perfect fit, and has wider implementation to boot! Let's take a deeper look. First, I'd like to remind the reader that I'm not some specialist storage engineer. I am regular guy who wanted to know about this TRIM thing. I welcome corrections and feedback on this piece! We … [Read more...] about Is TRIM Useful For Thin Provisioning?
The history of technology moves in fits and starts, but one trend trumps all else: An inevitable shift from fine-tuned specialized gear to general-purpose commodity building blocks. We see it in both hardware and software, and at all levels of the industry, from chips and wafers to operating systems and networking devices. Take a step back and you'll certainly agree: Commodity … [Read more...] about Commodity Hardware Always Wins
The storage industry got a lot more competitive this morning, as Dell announced plans to buy 3Par. This is the latest round in a well-established race for the enterprise storage dollar, challenging superpower (and Dell partner) EMC in the high-end SAN space. What does this acquisition say about the industry as a whole? Where are we headed? I've long wished for a new … [Read more...] about Dell + EqualLogic, Exanet, Ocarina, 3Par = What?
I'm pleased to be heading back to Interop this spring with two sessions on enterprise storage. Although significantly changed from the old "Networld + Interop" days, the event is enjoyable and technical, with many interesting sessions and speakers. And the New York show at least had plenty of end user attendees! Interop Las Vegas is April 25-29, 2010, and registration … [Read more...] about Thin Provisioning and Cloud Storage: My Interop 2010 Topics