Use Best Practices to Design Data Center Facilities（使用最佳实践来设计数据中心设施）.pdf

Research Publication Date: 22 April 2005 ID Number: Use Best Practices to Design Data Center Facilities Michael A. Bell Data centers seldom meet the operational and capacity requirements of their initial designs. The principal goals in data center design are flexibility and scalability, which involve site location, building selection, floor layout, electrical system design, mechanical design and modularity. © 2005 Gartner, Inc. and/or its Affiliates. All Rights Reserved. Reproduction and distribution of this publication in any form without prior written permission is forbidden. The information contained herein has been obtained from sources believed to be reliable. Gartner disclaims all warranties as to the accuracy, completeness or adequacy of such information. Although Gartners research may discuss legal issues related to the information technology business, Gartner does not provide legal advice or services and its research should not be construed or used as such. Gartner shall have no liability for errors, omissions or inadequacies in the information contained herein or for interpretations thereof. The opinions expressed herein are subject to change without notice. TABLE OF CONTENTS 1.0 Introduction4 1.1 Density vs. Capacity5 1.2 Rack Layout 6 1.3 Rack Units 7 2.0 Design Criteria 8 2.1 Critical Building Systems 9 2.2 Planning and Designing 10 2.3 Location 11 2.4 Site 12 2.5 Architecture 13 2.6 Power Distribution 14 2.7 Power Supply 15 2.8 Mechanical Systems 16 2.9 Raised-Access Floor 17 2.10 Fire Detection and Suppression 18 3.0 Data Center Construction Costs — Tier 2 19 3.1 Da