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Designing Storage Area Networks: a Practical Reference for Implementing Fibre Channel Sansby Thomas Clark
Synopses & Reviews
Designing Storage Area Networks, Second Edition, succinctly captures the key technologies that are driving the storage networking industry. Tom Clark's works are helping to educate the IT community to the benefits and challenges of shared storage and are recommended reading for anyone wishing to understand this exciting new technology."
Sheila Childs, VP Product Management, Legato Systems Chairperson, SNIA
Fibre Channel SANs have become a mainstay at the backend of the biggest corporations on the planet. The second edition of Designing Storage Area Networks brings the next wave of connection (IP) points and management into context, helping the user to quickly understand all the benefits before them."
Steve Duplessie, Founder and Senior Analyst, Enterprise Storage Group
Designing Storage Area Networks, Second Edition, provides a practical roadmap through the ever-changing landscape of SAN technology. The new Fibre Channel, IP, and virtualization initiatives covered in this work will enable customers to implement comprehensive shared storage solutions that reduce management overhead and cost."
John Webster, Founder and SeniorAnalyst, Data Mobility Group
Storage Area Networks (SANs) are now recognized as the preferred solution for fulfilling institutions' and enterprises' critical data-storage needs. Whether powered by Fibre Channel or TCP/IP and Gigabit Ethernet technology, SANs far exceed the capabilities of traditional storage access methods. SANs are quickly becoming the solution of choice for organizations that require high-volume data-handling capacity.
Written for network developers, IT consultants, administrators, and managers, this updated and greatly expanded edition of the best-selling Designing Storage Area Networks goes far beyond a straight description of technical specifications and standards. The text offers practical guidelines for using diverse SAN technologies to solve existing networking problems in large-scale corporate networks. With this book you will learn how the technologies work and how to organize their components into an effective, scalable design. In doing so, you will discover today's best methods for managing storage area networks, including new troubleshooting techniques.
Designing Storage Area Networks, Second Edition, also features detailed case studies that demonstrate how SANs can solve a number of commonly encountered business challenges, including LAN-free and server-free tape backup, server clustering, and disaster recovery. As an information-systems professional, you must keep pace with this powerful, evolving technology.
Key topic coverage includes:
Includes bibliographical references (p. 187-188) and index.
Storage Area Networks (SANs) powered by Fibre Channel technology far exceed the capabilities of traditional storage and throughput methods and are quickly becoming the solution of choice for organizations that require high-volume data handling capacity. Written for network developers, technical staff, IT consultants, administrators, and managers, Designing Storage Area Networks goes far beyond a straight description of Fibre Channel specifications and standards; it offers practical guidelines for implementing and utilizing SANs to solve the real-world needs of business networks. This concise design and implementation guide introduces Fibre Channel SAN technology and demonstrates exactly how it can be used to address specific application challenges--from server clustering to ISP hosting, server-free tape backup to full-motion video. With this book, you will learn how Fibre Channel works and how to organize Fibre Channel components into an effective, scalable design; and you will discover today's best methods for managing storage area networks and volumes, including new troubleshooting techniques. You will find coverage of such vital topics as: x Fibre Channel layers x Gigabit transport and gigabit interface converters (GBICs) x Flow control x Point-to-point topology x Arbitrated Loops and Arbitrated Loop hubs x Switching hubs x Fabrics and fabric switches x Host bus adapters x Fibre Channel RAID and Fibre Channel JBODs x Fibre Channel-to-SCSI bridges x SAN management and problem isolation techniques x Building extended SANs Most important, the book features detailed case studies that demonstrate how SANs can solve a number of commonly encountered business challenges, including LAN-free and server-free tape backup, server clustering, and disaster recovery. As an information systems professional, you must keep pace with this powerful new technology. This book will serve as your guide to understanding the implications of Fibre Channel SANs and successfully applying them to the needs of your organization.
About the Author
Tom Clark is Director of Technical Marketing for Vixel Corporation, a manufacturer of Fibre Channel transceivers, hubs, fabric switches, and SAN management software. During his 15-year career in system engineering, he has gained extensive experience in data communications and internetworking, has published numerous articles on Fibre Channel technology, and has presented papers at several conferences, including Fibre Channel Technologies Conference and Expo.
Table of Contents
Using the SNIA Shared Storage Model.
Example: Carlson Companies.
2. Storage and Networking Concepts.
Networking in front of the Server.
Packetizing of Data.
Routing of Packets.
Upper-Layer Protocol Support.
The SCSI Architecture.
The Parallel SCSI Bus.
Networking behind the Server.
3. Fibre Channel Internals.
Fibre Channel Layers.
1Gbps and 2Gbps Transport.
Physical Layer Options.
Classes of Service.
Naming and Addressing Conventions.
4. Fibre Channel SAN Topologies.
Loop Physical Topology.
Loop Port State Machine.
The Nonbroadcast Nature of Arbitrated Loop.
Design Considerations for Arbitrated Loop.
Simple Name Server.
State Change Notification.
Private Loop Support.
Building Extended Fabrics.
Principal Switch Selection.
Fabrics and Loops.
5. Fibre Channel Products.
Host Bus Adapters.
Fibre Channel RAID.
Fibre Channel JBODs.
Arbitrated Loop Hubs.
Star Topology for Arbitrated Loop.
Departmental Fabric Switches.
Fibre Channel Directors.
Fibre Channel-to-SCSI Bridges.
Fibre Channel Extension Products.
Fibre Channel Extension Using DWDM.
Fibre Channel Extension Using IP Tunneling.
Fibre Channel WAN Bridging.
6. IP SAN Technology.
Ethernet and TCP/IP.
Gigabit Ethernet Transport.
Native IP Storage Protocols.
Internet Fibre Channel Protocol.
Internet SCSI (iSCSI).
Discovery in IP SANs.
Service Locator Protocol (SLP).
Internet Storage Name Server (iSNS).
Quality of Service for IP SANs.
Security for IP SANs.
Wide Area Storage Networking.
7. IP SAN Products.
Gigabit Ethernet Switches.
iSCSI Adapter Cards.
iSCSI Storage Devices.
IP Storage Gateways.
8. SAN Software Products.
Distributed File Systems and File Sharing.
9. Problem Isolation in SANs.
Simple Problem-Isolation Techniques.
Fibre Channel Analyzers.
iSCSI Network Analyzers.
10. Management of SANs.
Storage Network Management.
Storage Network Management Issues.
Storage Resource Management.
Integration of Storage, Systems, and Enterprise Management.
Common Information Model (CIM) (Bluefin).
11. Storage Virtualization.
What Is Storage Virtualization?
In-Band and Out-of-Band Virtualization.
Host-Based Storage Virtualization.
SAN Interconnect-Based Storage Virtualization.
Multivendor Storage Virtualization.
File System and NAS Virtualization.
Virtualization and the Data Storage Utility.
12. Application Studies.
Post-Production Video Editing.
LAN-Free and Server-Free Tape Backup.
Internet Service Providers.
Campus Storage Networks.
Remote Tape Vaulting.
13. SAN Issues.
14. The Future of SAN.
Integration of SANs into Mainstream Networking.
Ubiquity of Shared Storage.
Appendix A. SAN Resources.
Standards and Proposals.
SCSI and Fibre Channel Standards.
IETF Requests for Comments.
IETF IP Storage Internet Drafts.
Fibre Channel Technical and Marketing.
IP Storage Technical and Marketing.
Related Web Resources.
Appendix B. SAN and Related Vendors.
SAN System Vendors.
SAN Storage and Tape Vendors.
Fibre Channel Products.
IP SAN Products.
SAN Management and Virtualization.
Gigabit Ethernet Vendors.
Test Equipment and Verification Labs.
Appendix C. The Standardization Process.
Appendix D. The Storage Networking Industry Association (SNIA).
Board of Directors.
Executive Director and Staff.
Technical Center Director.
SNIA Technology Center.
SNIA IP Storage Industry Forum.
SNIA Supported Solutions Forum.
SNIA DAFS Forum.
SNIA Storage Security Industry Forum.
SNIA Europe Forum.
SNIA Japan Forum.
SNIA and Other Industry Associations.
Appendix E. The SNIA Shared Storage Model.
The shared storage vision.
Why shared storage?
Why a model for shared storage?
Benefits of the model.
A note on the graphical conventions used in the model.
The SNIA Shared Storage Model.
Storage system components.
The layering scheme of the SNIA Shared Storage Model.
The file/record layer.
Where can it be done?
The block layer.
Putting it all togethercombining the block and file/record layers.
The services subsystem.
Data versus storage.
Sharing of resources and data.
Some common storage architectures.
Direct-attached block storage.
Storage network-attached block storage (aka “SAN” ).
Block storage aggregation in a storage network (“SAN applicance” ).
Storage network-attached block storage with metadata server (“asymmetric block service” ).
Multi-site block storage.
File server controller (“NAS head” ).
NAS/file server metadata manager (“asymmetric file service” ).
Object-based Storage Device (OSD), CMU NASD.
Summary and conclusions.
Appendix F. The SNIA Dictionary of Storage Networking Terminology.
Appendix G. SAN Essays.
SAN Customers and SAN Vendors.
Standardization and Storage Networking Technologies.
Standards Compliance versus Interoperability.
Storage Resource Management.
Going the Distance with Storage Data.
Shared Storage for the Masses.
Infrastructures and Applications.
Disaster Recovery in an Uncertain World.
Enabling iSCSI Migration.
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