Storage Networks Explained: Basics and Application of Fibre by Ulf Troppens, Wolfgang Muller?Friedt, Rainer Wolafka, Rainer

By Ulf Troppens, Wolfgang Muller?Friedt, Rainer Wolafka, Rainer Erkens, Nils Haustein(auth.)

All you must find out about garage region Networks

the quantity of knowledge of a standard corporation doubles each year. hence, businesses who personal 1TB of information this present day will personal 32TB in 5 years. garage networks aid to tame such facts amounts and to control this information progress successfully. because saved info and knowledge are the most important asset of any corporation, an individual who's thinking about the making plans or the operation of IT platforms calls for a simple wisdom of the main and using garage networks.

Storage Networks Explained   covers the fundaments, strategies and features of garage networks reminiscent of disk subsystems, Fibre Channel SAN, net SCSI (iSCSI), Fibre Channel over Ethernet (FCoE), community hooked up garage (NAS), dossier platforms, and garage virtualization. in addition the authors describe using those recommendations and the way they're designed to accomplish high-availability, flexibility, and scalability of knowledge and functions. extra awareness is given to community backup and the administration of garage networks. Written by way of prime specialists within the box, this publication on garage sector networks is up-to-date and entirely revised.

Key features:

  • Presents the elemental recommendations of garage networks, equivalent to I/O concepts, disk subsystems, virtualization, NAS and SAN dossier systemsContent:
    Chapter 1 advent (pages 1–11):
    Chapter 2 clever Disk Subsystems (pages 13–57):
    Chapter three I/O strategies (pages 59–136):
    Chapter four dossier structures and community hooked up garage (NAS) (pages 137–159):
    Chapter five garage Virtualisation (pages 161–192):
    Chapter 6 software of garage Networks (pages 193–235):
    Chapter 7 community Backup (pages 237–279):
    Chapter eight Archiving (pages 281–344):
    Chapter nine company Continuity (pages 345–385):
    Chapter 10 administration of garage Networks (pages 387–415):
    Chapter eleven detachable Media administration (pages 417–447):
    Chapter 12 The SNIA Shared garage version (pages 449–493):
    Chapter thirteen ultimate observe (page 495):

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Extra resources for Storage Networks Explained: Basics and Application of Fibre Channel SAN, NAS, iSCSI, InfiniBand and FCoE, Second Edition

Example text

6 Finally, the old server is powered down (5) and the new server is started up with the production data (6). 4 THE STRUCTURE OF THE BOOK One objective of this book is to illustrate the benefits of storage networks. In order to provide an introduction to this subject, this chapter has presented a few fundamental problems of conventional server-centric IT architecture and concluded by mentioning a few advantages of storage-centric IT architecture based upon the upgrade of an application server. The remaining chapters deal with the concepts and techniques that have already been sketched out and discuss further case studies in detail.

Standard hard disks that range in size from 36 GB to 1 TB are currently (2009) used for this purpose. Since the maximum number of hard disks that can be used is often limited, the size of the hard disk used gives an indication of the maximum capacity of the overall disk subsystem. When selecting the size of the internal physical hard disks it is necessary to weigh the requirements of maximum performance against those of the maximum capacity of the overall system. 4). For most applications, medium-sized hard disks are sufficient.

To increase fault tolerance, storage devices are sometimes connected to two servers, with only one server actually able to use the storage device at any one time. In both cases, the storage device exists only in relation to the server to which it is connected. Other servers cannot directly access the data; they always have to go through the server that is connected to the storage device. This conventional IT architecture is therefore called server-centric IT architecture. In this approach, servers and storage devices are generally connected together by SCSI cables.

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