Storage Networking Fundamentals: An Introduction to Storage Devices, Subsystems, Applications, Management, and File Systems / Edition 1

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Overview

An Introduction to Storage Devices, Subsystems, Applications, Management, and File Systems

  • Learn fundamental storage concepts with this comprehensive introduction
  • Compare storage device technologies, including Fibre Channel, SCSI, ATA, and SATA and understand their uses in network storage subsystems
  • Learn about key storage processes such as volume management, storage virtualization, data snapshots, mirroring, RAID, backup, and multipathing
  • Clarify the roles of file systems and databases within network storage
  • Take the next step—this book prepares you to become a storage networking expert

Storage networking has become an essential ingredient in Internet information infrastructures. Becoming competent in this new and important technology area requires a sound understanding of storage technologies and principles. Storage Networking Fundamentals gives you an in-depth look into the most important storage technologies. The entire storage landscape is described, incorporating a complete view of system, device, and subsystem operations and processes. Learn how to protect data effectively using mirroring, RAID, remote copy, and backup/ recovery systems. Virtual storage technologies, such as volume management, RAID, and network virtualization, are analyzed and discussed in detail. High-availability storage through dynamic multipathing and clustered/distributed file systems is explained as are designs for robust storage subsystems. Finally, the confusing and arcane worlds of file systems and SCSI are clarified, including the role of initiators, targets, logical units, and LUNs.

Storage Networking Fundamentals is a comprehensive overview of storage technologies that also provides insights on designing and running SAN and NAS implementations.

This book is part of the Cisco Press Fundamentals Series. Books in this series introduce networking professionals to new networking technologies, covering network topologies, example deployment concepts, protocols, and management techniques.

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Product Details

  • ISBN-13: 9781587051623
  • Publisher: Cisco Press
  • Publication date: 12/28/2004
  • Series: Fundamentals Series
  • Edition description: New Edition
  • Edition number: 1
  • Pages: 480
  • Product dimensions: 7.30 (w) x 9.00 (h) x 1.10 (d)

Meet the Author

Marc Farley has more than 13 years of experience in the field of network storage. He started working with the technology in 1991 as a systems engineer with Palindrome Corporation, an early innovator in data management technologies for PC LAN environments. Since 1991, Marc has worked in a variety of marketing and strategy-related positions, covering a wide variety of storage technologies, including storage routers, disk subsystems, file-level virtualization, and storage switches. Marc is well-known throughout the networked storage industry for his objective, vendor-independent, in-depth analysis of storage technologies. His writing includes Building Storage Networks, first and second editions. He has also written many articles, white papers, and opinion pieces that have been published in the computer industry trade press. He regularly speaks at industry conferences and events and participates in online seminars and discussions. Marc holds a bachelor of science in physics from the University of Washington.

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Table of Contents

Part I The Big Picture of Storage Networking

Chapter 1 Data Access in the Internet Era

Chapter 2 Establishing a Context for Understanding Storage Networks

Chapter 3 Getting Down with Storage I/O

Part II Working with Devices and Subsystems in Storage Networks

Chapter 4 Storage Devices

Chapter 5 Storage Subsystems

Chapter 6 SCSI Storage Fundamentals and SAN Adapters

Chapter 7 Device Interconnect Technologies for Storage Networks

Part III Applications for Data Redundancy

Chapter 8 An Introduction to Data Redundancy and Mirroring

Chapter 9 Bigger, Faster, More Reliable Storage with RAID

Chapter 10 Redundancy Over Distance with Remote Copy

Chapter 11 Connection Redundancy in Storage Networks and Dynamic Multipathing

Part IV The Foundations of Storage and Data Management

Chapter 12 Storage Virtualization: The Power in Volume Management Software and SAN Virtualization Systems

Chapter 13 Network Backup: The Foundation of Storage Management

Part V Filing Systems and Data Management in Networks

Chapter 14 File System Fundamentals

Chapter 15 Network File Systems and Network Attached Storage

Chapter 16 New Directions in Network Filing: Clustered File Systems, Distributed File Systems, and Network Storage for Databases

Chapter 17 Data Management

Part VI Appendixes

Appendix A Q & A Answers

Appendix B INCITS Storage Standards

Glossary

Index

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Sort by: Showing all of 3 Customer Reviews
  • Anonymous

    Posted June 13, 2005

    A Nice Introduction But Not Detailed Enough

    Storage Networking Fundamentals (ISBN 1-58705-162-1) by Marc Farley is an introductory book on storage fundamentals. It does a decent job of presenting a broad range of topics in storage networking and is well suited for a reader looking to gain a high level understanding of how SAN, NAS, and other related aspects of data storage tie in together. In other words, this book is a good high-level overview of the topic (somewhat like a first-semester book in college); if someone is looking for guidance on implementation specifics related to storage area networks, this book is not for you. The book in general is readable for the most part. However, in certain sections of the book, the book loses the attention of the reader. This is primarily due to the lack of concrete, real-life examples to illustrate the concepts in the book. I have always found that the best books are those that provide real-life examples (with actual commands, output from those commands, and analysis of these outputs) to support the concepts that are being presented. Such an approach helps to keep the reader alert and not make the content so theoretical in some cases or so cursory in others, that the reader loses interest. Furthermore, real-life application of the concepts helps to understand and remember the theory as well. This book, IMHO, does not accomplish this goal very well at all. The format of the book is very well laid out. The headings are clear and delineating, allowing the reader to find the major points in the book easily. The diagrams and notes are well laid out. Each chapter concludes with a summary section and a small set of questions. Also, the writer has included the answers to these questions as a appendix at the end of the book ¿ a very helpful feature and one that adds to the usefulness of the questions at the end of each chapter. From amongst the whole book, I found Part III, Working with Devices and Subsystems in Storage Networks, to be most useful in content. This part covers the architecture for the SAN in some detail and provides the reader with a good presentation of the ¿big picture¿. The high level, nonspecific approach of the book would be fine other than the fact that the author writes in the introduction that this book is written for ¿systems, networking, and storage professionals who want to gain an in-depth understanding of the processes and architectures used in storage,¿ So while this books presents a good overview of the technology, it is not suited for an in-depth, detailed study on the topic.

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  • Anonymous

    Posted April 9, 2005

    Excellent introductory book to the subject

    Not having on my behalf, previous knowledge of the current Storage Networking Systems, this book is an excellent introduction to the subject. The book starts with the presentation of the high-availability requirements imposed to today¿s systems, that in return, implies the need for better ways and technologies for information storage and retrieving; based on that, the author uses the rest of the book to present and explain those procedures and technologies. It is very illustrative that at the beginning of the book, when the different types of storage systems are presented (DAS: Direct Attached Storage; SAN: Storage Area Network; NAS: Network Attached Storage) the author makes a parallelism with the data networks, and applies to the storage systems concepts such as architecture, scalability, topology, redundancy, etc. as a way of compare them, which, for someone with previous knowledge of the data networks, allows her or him, to immediately understand the possibilities, limitations, requirements, and inclusively, the location and interaction of the elements of the type of storage system with the other parts of the network. The process of storage networking is divided in 3 functions: Connection (data transmission); Storing (the control protocols for the interaction between systems and devices), and Filing (the positioning and retrieval of data to and from the storing device). Of the 3 functions, the Storing is the one that the book dedicates more time. The division of the storage networking process in functions, predisposes to think in the existence of a protocol stack, that certainly exists, but there is no direct correspondence between this protocol stack and the TCP/IP stack, because the Storing and Filing functions are considered to be part of the Application layer, and the Connection function would be distributed on all of the other layers of the TCP/IP stack. Also, it was interesting to know that in a Storage Networking System, the ¿information integrity¿ also implies the orderly-writing and consistency of the data, and than that has consequences on the communication protocols, because depending on the application, data integrity could imply an a storage networking system with a response capacity similar to a real time system, and that means that not always TCP/IP will be the protocol to use. Now, the book doesn¿t treat the subject of the protocols used in the storage networking systems, but this doesn¿t diminish the book objective of being and introduction to those systems. As a complement, and being also an important subject, a chapter of the book is dedicated to the administration of the storing process and the administration of the stored data. The book is well structured, it follows a logic subject sequence, with short chapters that help to get that panoramic view that every introductory book pretends, and the only material that I would consider as suppressible would be the chapter dedicated to how the storing on hard drives and tapes works. Quick reading, entertaining, enough, well illustrated¿ good book.

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  • Anonymous

    Posted February 25, 2005

    MagnĂ­fico libro para introducrise al tema

    No teniendo por mi parte, conocimiento previo de los actuales sistemas en red para el respaldo de información, este libro resulta ser una excelente introducción al tema. El libro inicia con la presentación de los requerimientos de alta disponibilidad de información impuesta a los sistemas de hoy en día, lo cual a su vez implica la necesidad de mejores maneras y tecnologías para el almacenamiento y recuperación de la información; basado en lo anterior, el autor dedica el resto del libro a presentar y explicar esos procedimientos y tecnologías. Resulta muy ilustrativo que al principio del libro, cuando se hace la presentación de los diferentes sistemas de información (DAS: Direct Attached Storage; SAN: Storage Area Network; NAS: Network Attached Storage) el autor hace un paralelismo con las redes de datos y les aplica conceptos tales como arquitectura, escalabilidad, topología, redundancia, lo cual, para alguien con conocimiento previo de las redes de datos, le permite entender inmediatamente las posibilidades, limitaciones, requerimientos, e inclusive, la ubicación e interacción, de los elementos del sistema de almacenamiento con los demás componentes de la red. El almacenamiento en red es dividido en 3 funciones: conexión (la transmisión de datos); almacenamiento (los protocolos de control para la interacción entre los sistemas y dispositivos); y el archivado (la colocación de los datos en los medios de almacenamiento); de estas 3 funciones, a la que se le dedica más tiempo es a la de almacenamiento. La división en funciones también predispone a pensar inmediatamente en la existencia de un stack de protocolos, que de hecho existe, pero no existe correspondencia directa con el stack TCP/IP porque las funciones de almacenamiento y archivado se considera que se encuentran en la capa de aplicación, y la de conexión estaría distribuida en todas las demás. También resulta interesante conocer que en un sistema de almacenamiento de información la ¿integridad¿ de la información implica además el orden en la escritura y la consistencia de los datos, lo cual a su vez tiene implicaciones en los protocolos de comunicación, porque dependiendo de la aplicación, la integridad de la información podría significar un sistema de almacenamiento con capacidad de respuesta similar a la de un sistema de tiempo real, y esto implica que no siempre TCP/IP será el protocolo a utilizar. Ahora bien, el libro no trata el tema de los protocolos utilizados en los sistemas de almacenamiento, aunque esto no demerita el objetivo de ser una introducción a los sistemas de almacenamiento en red. Como complemento, y siendo un tema también importante, una parte del libro se dedica a la administración del proceso de almacenamiento y a la de los datos. El libro está bien estructurado, sigue una secuencia lógica de temas, con capítulos cortos que ayudan a obtener una visión panorámica que todo libro introductorio pretende, y quizá el único material que consideraría suprimible sería el capítulo dedicado al funcionamiento de discos duros y el respaldo en cintas. Lectura rápida, amena, suficiente, bien ilustrada¿ buen libro.

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