Introduction xv Assessment Test xxi Chapter 1 Intro to Virtualization 1 What Is Data Center Virtualization? 2 Virtualization Then and Now 3 Physical and Virtual Data Center Components 4 Physical Data Center Components 4 Virtual Data Center Components 5 Physical and Virtual Component Differences 7 Benefits of Using Virtualization 9 Online Tools 13 Summary 14 Exam Essentials 15 Review Questions 16 Chapter 2 VMware Solutions 21 Availability Challenges 22 VMware Availability Products and Technologies 23 Management Challenges 27 VMware Management Products and Technologies 27 Scalability Challenges 28 VMware Scalability Products and Technologies 29 Optimization Challenges 31 VMware Optimization Products and Technologies 32 Summary 36 Exam Essentials 37 Review Questions 39 Chapter 3 vSphere Core Components 43 Virtual Machines 44 What Is a Virtual Machine, Anyway? 44 What Can You Do with Virtual Machines? 45 ESXi Hypervisor 47 vCenter Server 47 vMotion 48 Distributed Resource Scheduler 49 Distributed Power Management 49 Storage vMotion 50 Storage DRS 50 Ftoc.indd 03/24/2015 Page xi vSphere Data Protection 51 HighAvailability Configuration 51 Fault Tolerance 52 vSphere Replication 52 Migration 53 High Availability 54 Host HA 55 Virtual Machine HA 56 Applications HA 57 Fault Tolerance 57 Clusters and Resource Pools 58 Clusters 58 Resource Pools 59 Other VMware Data Center Products 61 vCenter Operations Manager 61 vSphere Data Protection 62 Nsx 62 Virtual SAN 62 vCenter Site Recovery Manager 62 Summary 63 Exam Essentials 64 Review Questions 65 Chapter 4 Storage in a VMware Environment 71 Physical vs. Virtual Storage 72 What Is Shared Storage? 73 VMware Storage Types 75 Local Storage 75 Fibre Channel 76 iSCSI 77 Network File System 77 Virtual Machine File System 78 The VMFS vs. the NFS 78 Disk Provisioning 78 Thick Provisioning 79 Thin Provisioning 80 VMware Virtual Storage Technologies 82 Summary 83 Exam Essentials 84 Review Questions 86 Chapter 5 Networking in a VMware Environment 91 Differentiate Physical and Virtual Networking 92 Physical Switches 92 Ftoc.indd 03/24/2015 Page xii Virtual Switches 94 Differences Between Physical and Virtual Switches 97 Differentiate VMware Virtual Switch Technologies 97 Standard Virtual Switches 98 Distributed Virtual Switches 98 Identify VMware Virtual Switch Components 101 Standard Virtual Switch 101 Distributed Virtual Switch 102 Identify Common Virtual Switch Policies 103 Port Group Policies 103 Distributed Virtual Switch Policies 106 Identify Capabilities of Network I/O Control 108 Summary 113 Exam Essentials 113 Review Questions 115 Chapter 6 Business Challenges Meet VMware Solutions 119 Availability Challenges and Solutions 120 vMotion 121 Storage vMotion 121 Virtual Machine Snapshots 122 High Availability 123 Fault Tolerance 123 vSphere Replication 124 vSphere Data Protection 124 Site Recovery Manager 125 Management Challenges and Solutions 126 Virtual Machines/PhysicaltoVirtual Conversions 126 vCenter Server 126 vCenter Configuration Manager 127 Optimization Challenges and Solutions 128 vCenter Operations Manager 128 Thin Provisioning 129 Distributed Switches with QoS 130 Distributed Power Management 130 Storage I/O Control 131 vFlash 131 VM Storage Profiles 131 Memory Ballooning 132 Transparent Page Sharing 132 Scalability Challenges and Solutions 133 Virtual Machines 133 Virtual Machine Templates 134 Distributed Resource Scheduler 135 Ftoc.indd 03/24/2015 Page xiii Storage DRS 135 vSphere Storage Appliance 136 Hot Add 136 Distributed Virtual Switches 136 The Differences between SMB and Enterprise Challenges and Solutions 137 Summary 138 Exam Essentials 139 Review Questions 140 Appendices 145 Appendix A Answers to Review Questions 147 Appendix B Online Resources 159 Index 165.