Chapter 1 | Understanding Storage Area Networks | 1 |
| What's in a SAN? | 3 |
| SAN Interfaces | 3 |
| SAN Interconnects | 3 |
| SAN Fabrics | 4 |
| Who Needs a SAN? | 4 |
| What Should Every Good SAN Do? | 4 |
| Designing a SAN | 5 |
| The Preferred Technology That Powers a SAN | 6 |
| Summary | 6 |
Chapter 2 | Understanding How a SAN Works | 7 |
| The Basics | 8 |
| The Fibre Channel SAN Fabric | 8 |
| How Fibre Channel Works | 9 |
| Protocol Basics to SAN Services | 13 |
FC-0 Layer | Physical Layer | 13 |
FC-1 Layer | Transmission Encode/Decode Layer | 13 |
FC-2 Layer | Framing and Signaling Layer | 13 |
FC-3 Layer | Advanced Features | 13 |
FC-4 Layer | Protocol Mapping | 14 |
| Fibre Channel Topologies | 15 |
| Point-to-Point | 15 |
| Arbitrated Loop | 15 |
| Fabric Switched | 16 |
| Fibre Channel Architectures by Design | 17 |
| 8/2/96 Architecture | 18 |
| 16/4/192 Architecture | 19 |
| 16/2/224 Architecture | 20 |
| 12/2/160 Architecture | 21 |
| Other Emerging Technologies | 22 |
| Summary | 24 |
Chapter 3 | SAN Setup | 25 |
| Combining Switch Access and Shared Media | 26 |
| Managing a SAN | 28 |
| Common SAN Terminology and Organizations | 29 |
| Understanding the Difference Between NAS and SAN | 31 |
| Summary | 32 |
Chapter 4 | Configuring SANs: Dos and Don'ts | 33 |
| Configuring from Existing Legacy Systems | 35 |
| SAN Configuration | 38 |
| System Requirements and Analysis | 38 |
| SAN Architecture | 40 |
| Building a Testbed | 40 |
| Legacy-to-SAN Environment | 41 |
| Storage Performance Survey | 44 |
| Storage Architecture and Design | 45 |
| Return on Investments | 47 |
| Interoperability Issues | 51 |
| SAN Gateways | 53 |
| Project Management | 55 |
| Examples of Successful SAN Transitions | 56 |
| Peer Model | 57 |
| Dense Wavelength Division Multiplexing | 58 |
| The Bandwidth Crisis | 58 |
| Possible Solutions to the Bandwidth Crisis | 60 |
| What Is DWDM? | 61 |
| Is DWDM Flexible? | 62 |
| Is DWDM Expandable? | 63 |
| DWDM Costs | 64 |
| Metropolitan Area Networks (MANs) | 67 |
| Wide Area Newtorks (WANs) | 69 |
| Asynchronous Transfer Mode (ATM) | 73 |
| Summary | 76 |
Chapter 5 | Fibre Channel | 79 |
| Fibre Channel Overview | 80 |
| Concepts and Terminology | 81 |
| Fibre Channel Architecture | 91 |
FC-0 Layer | Physical Layer | 92 |
FC-1 Layer | Transmission Encode/Decode Layer | 92 |
FC-2 Layer | Framing and Signaling Layer | 93 |
FC-3 Layer | Advanced Features | 94 |
FC-4 Layer | Protocol Mapping | 95 |
| Ports | 95 |
| Fibre Channel Service Classes | 96 |
Class 197 |
Class 297 |
Class 398 |
Class 499 |
Class 599 |
Class 6100 |
| Intermix | 100 |
| Fibre Channel Topologies | 100 |
| Point to Point | 100 |
| Arbitrated Loop | 101 |
| Fabric | 104 |
| More Concepts and Terminology | 104 |
| Copper Cables | 104 |
| Disk Enclosures | 104 |
| Drivers | 105 |
| Extenders | 105 |
| Fibre Channel Disks | 105 |
| Fibre-Optic Cable Connector | 105 |
| Gigabit Interface Converters | 105 |
| Gigabit Link Modules | 106 |
| Host Bus Adapter (HBA) | 106 |
| Hubs | 106 |
| Link Analyzer | 107 |
| Multimode Cable | 107 |
| Routers: LAN Switch | 107 |
| SCSI Bridge | 107 |
| Static Switches | 107 |
| Switch WAN Extender | 108 |
| Addressing | 108 |
| Login | 109 |
| Transmission Hierarchy | 110 |
| 8B/10B Transmission Character | 110 |
| Transmission Word | 111 |
| Frame | 111 |
| Sequence | 112 |
| Exchange | 112 |
| Summary | 113 |
Chapter 6 | Case Studies | 115 |
| SAN Implementation Saves Money and Boosts Network | |
| Performance at New York Life | 116 |
| In the Beginning ... | 116 |
| The Solution | 117 |
| Saving Big Bucks | 118 |
| A By-Product: Complexity | 118 |
| Analyzing Storage Needs | 119 |
| The Value of an Independent Consultant | 119 |
| R&B Group Adds Redundancy and Speed with Fibre Channel Adapter Cards | 120 |
| Overcoming Major Drawbacks | 121 |
| Improved System Access | 121 |
| Forest Products Manufacturer Takes Control of Its Storage | 122 |
| Cleanup Campaign | 123 |
| Backup Time Savings | 124 |
| Two Risk-Averse Users Tread Cautiously During | |
| SAN Development | 125 |
| Gary Fox: Developing a Nationwide SAN | 125 |
| Michael Butler: Seeking Business Continuity | 126 |
| Law Firm Backs Up Data to "EVaults" | 127 |
| The Solution: EVault's Online Backup | 128 |
| Global Provider Relies On Flexible Storage | 129 |
| The Challenge: High-Availability Storage | 130 |
| The Solution: Storage on Demand | 131 |
| Important Criteria | 131 |
| The Benefits: Economy, Flexibility | 132 |
| Data Restoration Package One-Ups Lovebug and Anna Kournikova | 133 |
| Dealing with the Anna Kournikova Virus | 135 |
| Euroconex Turns to MTI Vivant for High-Availability | |
| Data Storage | 136 |
| The Solution: MTI Vivant | 137 |
| Disaster Recovery | 138 |
| Achieving High Availability | 138 |
| With $100 Trillion in the Balance, DTCC Plays It Close to the Vest | 139 |
| Ensuring Redundancy | 139 |
| Seeking Safety and Soundness | 140 |
| Boosting Backup Speed | 141 |
| Going for a High Level of Support | 142 |
| SAN-Bound A. B. Watley on Migration Path with Sun StorEdge T3 Arrays | 143 |
| Selecting the Right Sun Hardware Solutions | 144 |
| Planning for SAN | 146 |
| New SNIA Technology Center Opened for Interoperability Testing | 147 |
| Summary | 149 |
| Glossary | 151 |
Appendix A | Quick Reference Card | 265 |
| Index | 269 |