Polyteknisk Boghandel

This Book Isnt About Evangelizing Green It:
Its About Getting Down in the Trenches and Making It Work

In Foundations of Green IT, a team of leading Green IT consultants presents the detailed technical information data center professionals need to systematically identify the right improvements, implement them, maximize savings, and accurately calculate business value.

Marty Poniatowski and his team present comprehensive case studies reflecting their unsurpassed Green IT experience, complete with detailed implementation diagrams and performance information. Youll find independent, detailed coverage of solutions from HP, VMware, EMC, Cisco, and other leading vendors, with optimized sample designs and realistic ROI projections. Whether youre a CIO or IT director, architect or administrator, if you want to improve IT efficiency, this is your definitive resource.


Three comprehensive, start-to-finish case studies
Analyze current environments, set goals, define implementation plans, and calculate ROI for:

• Server and desktop consolidation and virtualization
  
• Data center backup/recovery/archiving, including replication
  
• Networking, including VoIP background
  

Plus practical coverage of these Green IT topics:

• Designing data centers for greater efficiency and lower power usage
  
• Leveraging cloud computing
  
• Consolidating Microsoft SQL Server instances
  
• Reducing PC-related power usage and waste
  

About CDI, the company behind this book:
This book was written collaboratively by many CDI technical experts, led by Marty Poniatowski. CDI is an infrastructure services firm with practices focusing on virtualization, storage, networking, data center design, and other green services. It has clients in all industries, notably financial services, pharmaceuticals, and healthcare.


This book comprehensively discusses design considerations for the truly energy efficient data center.
Scott Davis, Chief Data Center Architect, Office of the CTO, VMware, Inc.

Foreword xiii

Preface xv
What This Book Covers xvii
About the Author xxi
Acknowledgments xxii


INTRODUCTION TO PART I 2

Chapter 1 The Existing Server Environment: "The Old Way" 3
Virtualization Considerations 3
Non-Virtualized Server Example 4
Power and Cooling 6
- HP Power and Cooling Calculator 8
- Power and Cooling Estimate for Existing Servers 11
- Explanation of Some Power and Cooling Factors 12
- Virtualization Background 13
Summary 17


Chapter 2 Existing Server Environment Analysis with Capacity Planner 19
Snapshot of Servers 20
Recommended Target Platform 22
Summary of Existing Servers 22
Processor Utilization Report 28
Detailed System Server Report 29
Summary 30


Chapter 3 The Virtualized Server Environment 31
The New Server Environment 31
Assumptions 38
Blades Background 39
Performance Analysis After Virtualization 44
Summary 46


Chapter 4 Server ROI Analysis 49
TCO for Existing and New Virtualized Environments 50
Summary 55


Chapter 5 Virtual Server Implementation Plan 57
Blade Startup Implementation 58
Shared Storage Startup Implementation 59
VMware Startup Implementation 60
Data Replication Startup Implementation 62
VMware Site Recovery Manager Startup Implementation 63
Virtual Desktop With VMware View Startup Implementation 64
Summary 64


Chapter 6 Desktop Virtualization 65
Desktop Virtualization Benefits Users and IT 66
Benefits of Desktop Virtualization 67
VMware View Components 68
Desktop Management 70
Desktop Virtualization Storage 72
Desktop Application Encapsulation 74
Desktop Access 75
Virtual Printing 75
Check In and Check Out of the Virtual Desktop 76
Desktop Virtualization TCO and ROI 78
Dedicated Workstation Blades 79
Benefits and Components of Workstation Blades 81
Summary 83


INTRODUCTION TO PART II 86

Chapter 7 The Existing Backup and Recovery Environment 87
Existing Backup and Recovery Solution 87
Data De-Duplication 91
Archive 92

General Backup Considerations 94
- Media 94
- Full Versus Incremental Backup 94
- Clone Versus Replication of Data 95
- Backup and Recovery Versus Disaster Recovery 95
- Distributed Backup Versus Centralized Backup 96
Summary 97


Chapter 8 Existing Backup and Recovery Analysis with Backup Assessment 99

Snapshot of Backup Servers 100
Backup Client Capacity 103
Backup and Restore Job Summary 104
Recommendations for Improving the Environment 107
Summary 109


Chapter 9 The Enhanced Backup and Recovery Solution 111
New Disk Library Backup and Recovery Environment 112
Alternative New Backup and Recovery Environment 114
Disk Library Operation 117
Virtual Disk Library and Backup Software Implementation 125
Summary 129


Chapter 10 Backup, Recovery, and Archive ROI Analysis 131
TCO Summary for the New Environment 132
Five-Year Benefit Summary 133
Investment Summary 137
Return on Investment (ROI) Summary 137
Summary 140

Chapter 11 Data Replication and Disk Technology Advancements 141
Data Replication Methods 141
- Fabric-Based Replication 142
- Host-Based Replication 144
- Array-Based Replication 145
Disk Technology Advancements 147
- Disk Characteristics 148
- Disk Calculation Method 149
- Flash Disk Technology 150
- Total Cost of Ownership Advantages of Flash Disk 152
- Sample Flash Versus Fibre Channel Disk TCO Analysis 154
Summary 156


INTRODUCTION TO PART III 158

Chapter 12 The Existing Network Environment with Enhancements 159
Existing Network Environment Example 159
Upgrades to the Large and Small Existing Closets 161
Overview of Common Network Components 168
Cisco Operating System Overview 171
Cisco EnergyWise Technology 174
Summary 175


Chapter 13 Existing Network Analysis with Discovery 177
Cisco Discovery Prerequisites Overview 178
Discovery Executive Summary 179
Discovery Detailed Reports 185
Software Life Cycle Legend 185
IOS Detailed Report: Software, Hardware, and Security 188
Summary 193


Chapter 14 Voice over Internet Protocol (VoIP) 195
Telecommunications Overview 195
How Does VoIP Work? 196
How VoIP Is Different from a Traditional Phone System 199
VoIP, Green, and Cost Savings 203
- Audio Conferencing 203
- Video over IP 204
- Data Center Consolidation 205
- Private Networking 208
- Maintenance Support Optimization 209
- Service Contract Optimization 210
Whats Next for VoIP? 210
Summary 211



INTRODUCTION TO PART IV 214

Chapter 15 SQL Server Consolidation to Achieve Green Results 215
Opportunities 216
Initial Situation 217
Desired Situation 218
Solution Approach 218
Solution Implementation 225
Results 230
Summary 233
Resources 234


Chapter 16 The Green Data Center 237
Traditional Data Center 237
Rack and Air Flow History 240
High Density Racks 245
Green Data Center 248
Unstructured Data Cabling 249
Structured Data Cabling 250
Future of Data Cabling 250
Power Cabling 251
Summary 255


Chapter 17 Cloud Computing 257
Private Cloud Considerations 258
The Public Cloud 259
Sampling of Public Cloud Providers 262
Backup in the Cloud 266
Storage in the Cloud 269
Other Cloud Applications 270
Why Go to the Cloud? 271
Governance in the Cloud 272
Cautionary Note on Data Portability 273
Summary 273


Chapter 18 Simple Power Savings and Other Green Tips 275
Turn Off Your Desktop Computer 276
Some Interesting Facts 277
Some Tips for Saving Energy 277
Activate Desktop Computer Power Management to Save Energy 278
Theyre On Even When Theyre Off 282
Recycling Electronic Waste 283
Background on Electronic Waste 284
Green Printing 286
Summary 287


Chapter 19 Managed Services:
Remote Monitoring 289
Executive Overview 290
Detailed Hardware Inventory 294
Detailed Software Inventory 298
Site Inventory 300
Site Health 303
Windows Server Health 305
Underlying Tool 307
Summary 308

Index 309