InhaltsangabeIntroduction xxi Chapter 1 * An Introduction to Designing VMware Environments 1 What Is Design? 1 The Facets of vSphere Design 5 The Technical Facet 6 The Organizational Facet 7 The Operational Facet 8 The Principles of Design 9 Availability 9 Manageability 10 Performance 10 Recoverability 10 Security 11 The Process of Design 11 Gathering and Defining Functional Requirements 11 Assessing the Environment 13 Performing a Gap Analysis 14 Assembling the Design 15 Documenting the Design 16 Performing the Implementation 17 Summary 17 Chapter 2 * The ESXi Hypervisor 19 Evolution of the vSphere Hypervisor 19 The ESXi Concept 21 ESXi Design 22 ESXi Components 22 ESXi Agents 23 ESXi System Image 24 ESXi Customized Images 25 ESXi Disk Layout 27 Tardisks and Ramdisks 29 ESXi Deployment 29 Hardware Requirements 29 ESXi Flavors: Installable, Embedded, and Stateless 29 Auto Deploy Infrastructure 36 Comparing Deployments Options 38 Upgrading ESXi 41 Migrating from ESX 42 Testing 42 Deployment 43 Management 44 Postinstallation Design Options 45 Management Tools Overview 51 HostManagement Tools 51 Centralized Management Tools 54 Hardware Monitoring 56 Logging 57 Summary 58 Chapter 3 * The Management Layer 59 Reviewing the Components of the Management Layer 59 VMware vCenter Server 59 vSphere Client and vSphere Web Client 62 vSphere Update Manager 63 Management Applications 64 Examining Key Management Layer Design Decisions 69 Virtual or Physical vCenter Server? 70 vCenter Server on Windows or vCenter Server Appliance? 72 Local or Remote Database Server? 73 Which Operating System for vCenter Server? 75 Creating the Management Layer Design 76 Availability 76 Manageability 82 Performance 86 Recoverability 92 Security 92 Summary 94 Chapter 4 * Server Hardware 95 Hardware Considerations 95 Factors in Selecting Hardware 96 Computing Needs 99 Server Constraints 101 Differentiating among Vendors 104 Server Components 106 CPU 107 RAM 110 NUMA 117 Motherboard 118 Storage 118 Network 119 PCI 119 Preparing the Server 121 Configuring the BIOS 122 Other Hardware Settings 122 Burnin 123 Preproduction Checks 123 ScaleUp vs ScaleOut 123 Advantages of Scaling Up 125 Advantages of Scaling Out 126 Scaling Is a Matter of Perspective 127 Risk Assessment 127 Choosing the Right Size 128 CPU to Memory Design Ratio 129 Sizing the Hosts 130 Blade Servers vs Rack Servers 131 Blade Servers 132 Rack Servers 135 FormFactor Conclusions 136 Alternative Hardware Approaches 136 Cloud Computing 136 Converged Hardware 138 Summary 139 Chapter 5 * Designing Your Network 141 Examining Key Network Components 141 Physical Connectivity 142 Network Traffic Types 142 Software Components 144 Exploring Factors Influencing the Network Design 144 Physical Switch Support 145 vSwitches and Distributed vSwitches 152 IPBased Storage 154 10Gb Ethernet 156 I/O Virtualization 158 SRIOV and DirectPath I/O 159 Server Architecture 160 Crafting the Network Design 161 Availability 161 Manageability 168 Performance 171 Recoverability 173 Security 174 Design Scenarios 177 Two NICs 177 Four NICs 178 Six NICs 178 Eight NICs 179 Looking to the Future 180 Summary 180 Chapter 6 * Storage 181 Dimensions of Storage Design 181 Storage Design Factors 182 Storage Efficiency 183 vSphere Storage Features 186 Designing for Capacity 186 RAID Options 187 Estimating Capacity Requirements 189 VMFS Capacity Limits 190 Large or Small Datastores? 191 Thin Provisioning 193 Data Deduplication 195 Array Compression 196 Downside of Saving Space 197 Designing for Performance 197 Measuring Storage Performan

Forbes Guthrie, VCAP-DCD, (tweet @forbesguthrie) is a technical architect who specializes in virtualization and storage technologies. He is also a VMware vExpert and the creator of several popular virtualization reference cards. Forbes blogs at www.vReference.com. Scott Lowe, VCDX 39, (tweet @scott_lowe) is a technical architect at VMware. Scott is a VMware vExpert and the author of Mastering VMware vSphere 5. Scott also writes at blog.scottlowe.org, which attracts thousands of visitors daily.

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