administering data centers

[...]... and -5) RAID-3 RAID-4 RAID-5 Key Points Part Five Data Storage Technologies Chapter 20 Data Storage Solutions Rapid Data Growth Data Storage Requirements Storage Access Modes DAS Versus SAN NAS Versus SAN Benefits of SAN Consolidation of Storage Resources Concurrent Access by Multiple Hosts Reduced Total Cost of Ownership (TCO) LAN-Free and Server-Free Data Transfers Maximum Distance between Nodes and... Key Points 90 91 Part Three Data Center Consolidation 93 Chapter 9 95 96 97 Reasons for Data Center Consolidation Reasons for Data Center Consolidation Consolidation Opportunities Server Consolidation Storage Consolidation 97 98 xi xii Contents Network Consolidation Application Consolidation Service Consolidation Process Consolidation Staff Consolidation Key Points Chapter 10 Data Center Consolidation... the New Architecture Draft All Low-Level Specifications Construct the New Environment Create a Data Migration Process Back Up Data in the Old Environment Migrate Data and Services to the New Environment Train the Operations Staff Phase 4: Control and Administer the Consolidated Environment Key Points Part Four Data Center Servers 101 103 104 104 105 105 107 107 108 110 111 111 112 112 113 113 114 116... Monitoring Requirements SNMP In-Band and Out-of-Band Monitoring Data- Center Physical Security Data- Center Logical Security Data- Center Cleaning Approved Cleaning Supplies Floor Surface Cleaning Subfloor and Above-Ceiling Plenum Cleaning Equipment Cleaning 61 61 62 62 62 64 64 65 66 66 67 67 67 Best Practices Key Points Power Distribution in a Data Center Estimating Your Power Needs Uninterruptible Power... Storage and Networking Solutions 583 Glossary 587 Index 601 Preface This book explains technologies deployed within data centers This includes facility setup, network configuration, power layout, servers, storage, data- center consolidation, disaster recovery, and voice over IP (VoIP) It describes datacenter management, such as security, server administration, capacity planning, clustering, and fault tolerance... can serve as an introduction to the myriad of technologies deployed within a data center ■ ■ It can be used as a reference by various professionals such as Information Technology (IT) managers, data center facilities teams, system administrators, database administrators, network managers, security implementers, and general data center personnel The chapters can be chosen in any order and read at any... they can be achieved ■ ■ Chapter 3: Data Center Requirements — This chapter is the first of six chapters that describe data center architecture This chapter details the physical area, cooling, HVAC, weight, power, and bandwidth requirements that must be considered before building a data center The financial and geographic constraints are other factors ■ ■ Chapter 4: Data Center Design — This chapter... an outstanding data center It describes various structures such as plena, aisles, raised floors, and so on ■ ■ Chapter 5: Network Infrastructure in a Data Center — This chapter presents a modular design for cabling, points of distribution (PODs), and WAN connections from ISPs ■ ■ Chapter 6: Data Center Maintenance — This chapter explains what is required for day-to-day maintenance of a data center, including... monitoring ■ ■ Chapter 7: Power Distribution in a Data Center — This chapter helps you understand and plan the power requirements for equipment in a data center ■ ■ Chapter 8: Data Center HV — This chapter focuses on environmental AC requirements (such as temperature, humidity, air circulation patterns, and rack placements) ■ ■ Chapter 9: Reasons for Data Center Consolidation — This chapter and the... Hospitals, airlines, online banking services, and other service industries modify customer-related data in real time The amount of online data is rapidly expanding It is estimated that online data will grow more than 75 percent every year for the next several years The rapidly increasing demand for placing more and more data online and the constantly decreasing price of storage media have resulted in an increase . h0" alt="" Kailash Jayaswal Administering Data Centers: Servers, Storage, and Voice over IP 01_77183x ffirs.qxd 10/11/05 6:18 PM Page iii Administering Data Centers: Servers, Storage, and. 6:18 PM Page ii Kailash Jayaswal Administering Data Centers: Servers, Storage, and Voice over IP 01_77183x ffirs.qxd 10/11/05 6:18 PM Page iii Administering Data Centers: Servers, Storage, and. 248 RAID-4 248 RAID-5 249 Key Points 251 Part Five Data Storage Technologies 253 Chapter 20 Data Storage Solutions 255 Rapid Data Growth 256 Data Storage Requirements 258 Storage Access Modes