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Designing Storage Area Networks: A Practical Reference for Implementing Fibre Channel and IP SANs
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Tom Clark
Addison-Wesley, Paperback, 2nd edition, Published March 2003, 572 pages, ISBN 0321136500
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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.

This design and implementation guide introduces the different types of SAN technology and demonstrates how each can best be used to address specific application challenges—from server clustering to ISP hosting, server-free tape backup to full-motion video editing. 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.

Key topic coverage includes:

  • Using the SNIA Shared Storage Model
  • Fibre Channel layers and protocols
  • Fabrics and fabric switches
  • Host bus adapters
  • Fibre Channel RAID and Fibre Channel JBODs
  • iSCSI and IP storage protocols and products
  • SAN management and problem isolation techniques
  • Building extended SANs for data center and remote storage access
  • 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. This book will serve as both an introduction to SANs and a guide to applying these technologies to successfully meet the needs of your organization.

     

    Table of Contents

    Preface.
    Acknowledgments.
    1. Introduction.

    Using the SNIA Shared Storage Model.
    Text Overview.
    Chapter Summary.

    2. Storage and Networking Concepts.
    Networking in Front of the Server.
    Serial Transport.
    Access Method.
    Addressing.
    Packetizing of Data.
    Routing of Packets.
    Upper Layer Protocol Support.

    The SCSI Architecture.
    The Parallel SCSI Bus.
    Network Attached Storage.
    Networking Behind The Server.
    Chapter Summary.

    3. Fibre Channel Internals.
    Fibre Channel Layers.
    Gigabit and Two Gigabit Transport.
    Physical Layer Options.
    Data Encoding.
    Ordered Sets.
    Framing Protocol.
    Class of Service.
    Flow Control.
    Name and Addressing Conventions.
    Chapter Summary.

    4. Fibre Channel SAN Topologies.
    Point-to-point.
    Arbitrated Loop.
    Loop Physical Topology.
    Loop Addressing.
    Loop Initialization.
    Port Login.
    Loop Port State Machine.
    Arbitration.
    Non-Broadcast Nature of Arbitrated Loop.
    Design Considerations for Arbitrated Loop.

    Fabrics.
    Fabric Login.
    Simple Name Server.
    State Change Notification.
    Private Loop Support.
    Fabric Zoning.

    Building Extended Fabrics.
    E_Port Standardization.
    Principal Switch Selection.

    Fabrics and Loops.
    Chapter Summary.

    5. Fibre Channel Products.
    Transceivers.
    Host Bus Adapters.
    Fibre Channel RAID.
    Fibre Channel JBODs.
    Arbitrated Loop Hubs.
    Star Topology for Arbitrated Loop.
    Hub Architecture.
    Unmanaged Hubs.
    Managed Hubs.

    Switching Hubs.
    Fabric Switches.
    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.

    Chapter Summary.

    6. IP SAN Technology.
    Ethernet and TCP/IP.
    Gigabit Ethernet Transport.
    TCP/IP.

    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.
    Chapter Summary.

    7. IP SAN Products.
    Gigabit Ethernet Switches.
    IP Routers.
    iSCSI Adapter Cards.
    iSCSI Storage Devices.
    IP Storage Gateways.
    iSCSI-to-SCSI Bridges.
    iSNS Servers.
    Chapter Summary.

    8. SAN Software Products.
    Server Clustering.
    Tape Backup.
    Data Replication.
    Distributed File Systems and File Sharing.
    Chapter Summary.

    9. Problem Isolation in SANs.
    Simple Problem Isolation Techniques.
    Fibre Channel Analyzers.
    iSCSI Network Analyzers.
    Performance Tools.
    Chapter Summary.

    10. Management of SANs.
    Storage Network Management.
    In-Band Management.
    Out-of-Band Management.
    SNMP.
    HTTP.
    Telnet.
    Storage Network Management Issues.

    Storage Resource Management.
    Storage Management.
    Storage, Systems and Enterprise Management Integration.
    Common Information Model (CIM)—Bluefin.
    Chapter Summary.

    11. Storage Virtualization.
    What is Storage Virtualization?
    In-Band and Out-of-Band Virtualization.
    Host-based Storage Virtualization.
    SAN Interconnect-based Storage Virtualization.
    Storage-based Virtualization.
    Multi-vendor Storage Virtualization.
    File System and NAS Virtualization.
    Tape Virtualization.
    Virtualization and the Data Storage Utility.
    Chapter Summary.

    12. Application Studies.
    Post-production Video Editing.
    Prepress Operations.
    LAN-free and Server-free Tape Backup.
    Server Clustering.
    Storage Consolidation.
    Internet Service Providers.
    Campus Storage Networks.
    Remote Tape Vaulting.
    Disaster Recovery.
    Chapter Summary.

    13. SAN Issues.
    Standardization.
    Interoperability.
    Management.
    Convergence.
    Chapter Summary.

    14. SAN Futures.
    Integration of SANs into Mainstream Networking.
    Ubiquity of Shared Storage.
    Virtualization.
    Human Factors.
    Contributing Technologies.
    Chapter Summary.

    Appendix A. SAN Resources.
    Appendix B. SAN and Related Vendors.
    Appendix C. The Standardization Process.
    Appendix D. The Storage Networking Industry Association (SNIA).
    Appendix E. The SNIA Shared Storage Model.
    Appendix F. The SNIA Dictionary of Storage Networking Terminology.
    Appendix G. SAN Essays.
    Bibliography.
    Index


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