The following are the top ten guidelines selected from a great many other guidelines, many of which are described throughout this book.
Plan ahead. You never want to hear “Oops!” in your data center.
Keep it simple. Simple designs are easier to support, administer, and use. Set things up so that when a problem occurs, you can fix it quickly.
Be flexible. Technology changes. Upgrades happen.
Think modular. Look for modularity as you design. This will help keep things simple and flexible.
Use RLUs, not square feet. Move away from the concept of using square footage of area to determine capacity. Use RLUs to define capacity and make the data center scalable.
Worry about weight. Servers and storage equipment for data ...