November 10, 2015 This post is part of a series based on the forthcoming book, Building a Modern Data Center, written by Scott D. Lowe, David M. Davis and James Green of Actual Tech Media in partnership with Atlantis Computing. In our last post, we looked at the challenges and opportunities in front of IT organizations as they move into 2016. We kicked off that discussion by considering the organizational shifts happening in IT, as well as the new cost models for procuring and operating IT in the data center and how this changes what enterprises expect from their data center vendors. Today, we’re going to begin taking a deeper look at how the data center is evolving to meet the needs of the business in a more responsive way. A clear understanding of how these essential technologies have developed and changed, IT can more easily grasp and anticipate the impact of the changes developing through 2016. To start, let’s look at the rise and fall of the ‘monolithic storage array’. The Rise of the Monolithic Storage Array The inefficiency at scale actually had two components. The first is that servers very commonly only used a fraction of the computing power they had available. It would have been totally normal at this time to see a server that ran regularly at 10% CPU utilization, thus wasting massive amounts of resources. The second problem was that data storage utilization had the same utilization issue. With the many, many islands of storage created by placing direct attached storage with every server, there came a great inefficiency caused by the need to allow room for growth. As an example, imagine that an enterprise had 800 servers in their data center. If each of those servers had 60 GB of unused storage capacity to allow for growth. That would mean there was 48 terabytes of unused capacity across the organization. Using the lens of today’s data center to look at.
An excellent book, well structured, good depth of content, well written, and the right length. I finished this book feeling that I have a much better understanding of data center Ethernet and Fibre Channel over Ethernet and the technologies that work in conjunction with them. Additionally, I feel the book contains the information I will need to reference on this technology in the future. Said another way, this book is not just an ' I/ O Consolidation 101 but also a reference book I am likely to An excellent book, well structured, good depth of content, well written, and the right length. I finished this book feeling that I have a much better understanding of data center Ethernet and Fibre Channel over Ethernet and the technologies that work in conjunction with them. Additionally, I feel the book contains the information I will need to reference on this technology in the future. Said another way, this book is not just an ' I/ O Consolidation 101 but also a reference book I am likely to use again. The simple but effective structure consists of Chapter 1: I/ O Consolidation Summary, Chapter 2: Enabling Technologies, Chapter 3: FCo E, and Chapter 4: Case Studies. This quickly builds the readers knowledge and gives a depth of understanding that I found rather pleasing for only having to read 168 pages. The format is very dense (not verbose but with enough good examples to solidify concepts in the mind. I would ensure anyone reading this book has a solid understanding of TCP/ IP networking to get the most from this book. This being said, I don't think you need a deep understanding in Fibre Channel as the authors adequately explain this technology.more.
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