Front coverDraft Document for Review February 24, 2011 12:14 pm                        SG24-5250-08IBM System StorageSolut...
Draft Document for Review February 24, 2011 12:14 pm                        5250edno.fm                             Intern...
5250edno.fm                                                 Draft Document for Review February 24, 2011 12:14 pm Note: Bef...
Draft Document for Review February 24, 2011 12:14 pm   5250edno.fm                                                        ...
5250edno.fm                                  Draft Document for Review February 24, 2011 12:14 pmiv   IBM System Storage S...
Draft Document for Review February 24, 2011 12:14 pm                                                                      ...
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Draft Document for Review February 24, 2011 12:14 pm                                                                      ...
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Draft Document for Review February 24, 2011 12:14 pm                                                                      ...
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Draft Document for Review February 24, 2011 12:14 pm                                                                      ...
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Draft Document for Review February 24, 2011 12:14 pm                                                                      ...
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Ibm system storage solutions handbook sg245250
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Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
Ibm system storage solutions handbook sg245250
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Ibm system storage solutions handbook sg245250

  1. 1. Front coverDraft Document for Review February 24, 2011 12:14 pm SG24-5250-08IBM System StorageSolutions HandbookLearn about IBM storage products andsolutionsGet flexible, scalable storagesolutions for the on demand worldFind the products thatanswer your business needs Sangam Racherla James M Mulholland Libor Miklas Thiago Montenegroibm.com/redbooks
  2. 2. Draft Document for Review February 24, 2011 12:14 pm 5250edno.fm International Technical Support Organization IBM System Storage Solutions Handbook December 2010 SG24-5250-08
  3. 3. 5250edno.fm Draft Document for Review February 24, 2011 12:14 pm Note: Before using this information and the product it supports, read the information in “Notices” on page xix.Ninth Edition (December 2010)This edition applies to IBM System Storage products portfolio as of December 2010.This document created or updated on February 24, 2011.© Copyright International Business Machines Corporation 2010. All rights reserved.Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP ScheduleContract with IBM Corp.
  4. 4. Draft Document for Review February 24, 2011 12:14 pm 5250edno.fm iii
  5. 5. 5250edno.fm Draft Document for Review February 24, 2011 12:14 pmiv IBM System Storage Solutions Handbook
  6. 6. Draft Document for Review February 24, 2011 12:14 pm 5250TOC.fmContents Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii The team who wrote this book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiv Now you can become a published author, too! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxv Comments welcome. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxv Stay connected to IBM Redbooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxvi Chapter 1. Introduction: Dynamic Infrastructure and IBM Smarter Planet Strategy . . 1 1.1 What a dynamic infrastructure is . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Delivering a dynamic infrastructure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2.1 Information infrastructure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2.2 Smarter Security and resiliency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.2.3 Virtualization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.2.4 Energy efficiency. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.2.5 IBM Data and Information Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.2.6 Service management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.2.7 Outsourcing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.3 IBM Cloud Computing and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.3.1 What is a storage cloud? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.3.2 Private storage cloud architecture: An overview . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.3.3 IBM and storage cloud technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.4 IBM System Storage Disk Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.4.1 High-end and enterprise disk systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 1.4.2 Midrange disk storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1.4.3 Entry-level disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.5 IBM Tape systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1.5.1 Enterprise tape systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1.5.2 Midrange tape systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 1.5.3 Entry tape systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 1.6 Storage Area Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.6.1 Enterprise SAN directors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.6.2 Midrange SAN switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 1.6.3 Entry SAN switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 1.6.4 Multiprotocol routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 1.6.5 New Ethernet switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 1.7 IBM NAS systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 1.7.1 IBM N series hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 1.7.2 IBM N series software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 1.8 Storage software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 1.8.1 IBM System Storage SAN Volume Controller (SVC) . . . . . . . . . . . . . . . . . . . . . . 34 1.8.2 IBM Information Archive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 1.8.3 IBM Tivoli Storage Productivity Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 1.8.4 IBM Tivoli Storage Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 1.8.5 IBM Tivoli Key Lifecycle Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 1.8.6 IBM General Parallel File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 1.8.7 z/OS storage management tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 1.8.8 IBM System Storage Productivity Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37© Copyright IBM Corp. 2010. All rights reserved. v
  7. 7. 5250TOC.fm Draft Document for Review February 24, 2011 12:14 pmPart 1. Disk systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Types of storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Enterprise storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Mid-level storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Near-line storage and reference data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Entry-level storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Network attached storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Chapter 2. Entry-level disk storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 2.1 Overview of new entry level series models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 2.2 IBM System Storage DS3500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 2.2.1 DS3500 components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 2.2.2 Supported configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 2.3 EXP3500 storage expansion units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 2.4 IBM System Storage model DS3400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 2.5 IBM System Storage EXP3000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 2.6 IBM DS Storage Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 2.6.1 Premium features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 2.7 IBM System Storage EXP2500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 2.8 More information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Chapter 3. Midrange disk systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 3.1 Overview of IBM Storwize V7000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 3.2 Overview of IBM System Storage DS Models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 3.2.1 IBM System Storage DS3950 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 3.2.2 IBM System Storage DS5000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 3.3 IBM System Storage DS3950 Express . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 3.4 IBM System Storage model DS5020 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 3.4.1 DS5020 description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 3.4.2 DS5020 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 3.4.3 DS5020 specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 3.5 IBM System Storage Models 5100 and 5300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 3.5.1 DS5100/5300 storage subsystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 3.5.2 DS5100 and DS5300 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 3.6 IBM System Storage Model DCS9900 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 3.6.1 DCS9900 storage system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 3.6.2 DCS9900 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 3.6.3 DCS9900 specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 3.7 IBM System Storage DS4000 EXP810 Expansion Unit . . . . . . . . . . . . . . . . . . . . . . . . 84 3.7.1 EXP810 Expansion Unit features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 3.7.2 EXP810 Expansion Unit specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 3.8 IBM System Storage model EXP520 and EXP5000 . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 3.8.1 EXP520 and EXP5000 Drive features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 3.8.2 EXP520 and EXP5000 Drive support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 3.9 IBM System Storage EXP5060 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 3.9.1 EXP5060 overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 3.10 IBM TotalStorage EXP24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 3.11 Solid State Disk and Full Disk Encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 3.11.1 Solid State Disk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 3.11.2 Full Disk Encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 3.12 IBM System Storage DS Storage Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 3.12.1 New Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 3.12.2 Other features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96vi IBM System Storage Solutions Handbook
  8. 8. Draft Document for Review February 24, 2011 12:14 pm 5250TOC.fm 3.13 Introduction to IBM Midrange Storage Copy Services . . . . . . . . . . . . . . . . . . . . . . . . 96 3.13.1 FlashCopy premium feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 3.13.2 VolumeCopy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 3.13.3 Enhanced Remote Mirroring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 3.14 IBM Remote Support Manager for Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 3.14.1 Hardware and software requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 3.14.2 DS-RSM Model RS3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 3.14.3 Installation choices for RSM for Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 3.15 More Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 Chapter 4. Enterprise Disk Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 4.1 Enterprise Disk Family Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 4.1.1 The DS8000 series overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 4.1.2 The XIV series overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 4.2 Enterprise Disk Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 4.2.1 Infrastructure simplification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 4.2.2 Business continuity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 4.2.3 Green Data Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 4.3 The DS8000 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 4.3.1 The DS8000 concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 4.3.2 The DS8000 series design keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 4.3.3 The DS8000 most recent features and functions overview. . . . . . . . . . . . . . . . . 122 4.3.4 The DS8000 series architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 4.3.5 DS8000 series products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 4.3.6 DS8000 Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157 4.3.7 DS8000 standby Capacity on Demand offering . . . . . . . . . . . . . . . . . . . . . . . . . 162 4.3.8 DS8000 Copy Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 4.3.9 DS8000 licensing overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170 4.3.10 DS8000 supported environments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173 4.3.11 More information on DS8000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173 4.4 The XIV Storage System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 4.4.1 System models and components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 4.4.2 Key design features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178 4.4.3 IBM XIV Storage System software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179 4.4.4 Parallelism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183 4.4.5 Full storage virtualization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185 4.4.6 Reliability, availability, and serviceability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198 4.4.7 More information on XIV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 4.5 Comparison of Enterprise products. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Chapter 5. IBM System Storage N series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209 5.1 IBM N series storage systems functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 5.1.1 Drive flexibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211 5.1.2 Near-line storage solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211 5.2 IBM System Storage N series hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212 5.2.1 Maximum number of network interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212 5.2.2 IBM System Storage N series A models hardware reference. . . . . . . . . . . . . . . 213 5.2.3 IBM System Storage N series A and G models hardware quick reference. . . . . 214 5.2.4 IBM System Storage N3000 introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215 5.2.5 IBM System Storage N6000 introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 5.2.6 IBM System Storage N7000 introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 5.3 IBM System Storage N series Gateways . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 5.3.1 IBM System Storage N series Gateway highlights . . . . . . . . . . . . . . . . . . . . . . . 228 Contents vii
  9. 9. 5250TOC.fm Draft Document for Review February 24, 2011 12:14 pm 5.3.2 IBM System Storage N6040, N6060, and N6070 Gateway models . . . . . . . . . . 228 5.3.3 IBM System Storage N7700 and N7900 Gateway models . . . . . . . . . . . . . . . . . 229 5.4 N series expansion units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231 5.4.1 Intermixing EXN units with N series A models . . . . . . . . . . . . . . . . . . . . . . . . . . 231 5.4.2 EXN1000. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232 5.4.3 EXN4000. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232 5.4.4 EXN3000. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233 5.5 Overview of Data ONTAP for IBM System Storage N series . . . . . . . . . . . . . . . . . . . 234 5.6 IBM System Storage N series standard software features . . . . . . . . . . . . . . . . . . . . . 237 5.7 Optional software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238 5.8 Performance Accelerator Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240 5.9 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241 Chapter 6. IBM Scale Out Network Attached Storage . . . . . . . . . . . . . . . . . . . . . . . . . 243 6.1 Overview of SONAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244 6.2 How SONAS works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244 6.3 SONAS features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246 6.3.1 Centrally managed, centrally deployed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246 6.3.2 Automated, integrated tiered storage and information life-cycle management . . 247 6.3.3 Protecting data and replicating between sites. . . . . . . . . . . . . . . . . . . . . . . . . . . 248 6.3.4 Utilizing unique capabilities and modular hardware . . . . . . . . . . . . . . . . . . . . . . 248 6.3.5 Driving a dynamic infrastructure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249 6.4 Components within a SONAS solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 6.4.1 Interface node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 6.4.2 Management node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252 6.4.3 Storage node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255 6.4.4 Infiniband switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257 6.5 Summary of features and benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258 6.6 More information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 Chapter 7. IBM Information Archive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261 7.1 IBM Smart Archive Strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262 7.2 Data retention and compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 7.2.1 Characteristics of retention managed data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 7.2.2 IBM strategy and positioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264 7.3 IBM Information Archive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265 7.3.1 IBM Information Archive appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266 7.3.2 Enhanced Remote Mirroring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271 7.3.3 Migration from DR550 to Information Archive . . . . . . . . . . . . . . . . . . . . . . . . . . . 271 7.3.4 IBM Information Archive components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272 7.3.5 Summary of features and benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273Part 2. Tape Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277 Chapter 8. IBM TotalStorage and System Storage Tape Drives . . . . . . . . . . . . . . . . . 279 8.1 LTO technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280 8.1.1 Interleaved recording . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281 8.1.2 Servo tracks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282 8.1.3 Track following . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282 8.2 IBM Ultrium 1, 2, 3, 4, and 5 highlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287 8.2.1 Ultrium generation roadmap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288 8.2.2 WORM tape format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 8.2.3 IBM Long Term File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 8.2.4 Reliability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290viii IBM System Storage Solutions Handbook
  10. 10. Draft Document for Review February 24, 2011 12:14 pm 5250TOC.fm 8.3 IBM LTO Tape Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290 8.3.1 IBM System Storage TS2230 Tape Drive Express Model . . . . . . . . . . . . . . . . . 291 8.3.2 IBM System Storage TS2240 Tape Drive Express Model . . . . . . . . . . . . . . . . . 292 8.3.3 IBM System Storage TS2250 Tape Drive Express Model . . . . . . . . . . . . . . . . . 293 8.3.4 IBM System Storage TS2340 Tape Drive Express Model . . . . . . . . . . . . . . . . . 293 8.3.5 IBM System Storage TS2350 Tape Drive Express Model . . . . . . . . . . . . . . . . . 295 8.3.6 IBM TotalStorage 3580 Tape Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296 8.4 IBM System Storage TS1100 Tape Drive Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297 8.4.1 The 1 TB background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298 8.4.2 Recording format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299 8.5 IBM System Storage TS1120 Tape Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 8.5.1 Media support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301 8.5.2 IBM System Storage TS1120 Tape Controller Model C06 . . . . . . . . . . . . . . . . . 302 8.6 IBM System Storage TS1130 Tape Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303 8.7 IBM Midrange and Enterprise Storage Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304 8.7.1 LTO cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305 8.7.2 IBM 3590 and 3590E Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308 8.7.3 IBM 3592 Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308 Chapter 9. IBM Tape Automation Products. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311 9.1 Valuable IBM tape library features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312 9.1.1 IBM High Density function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312 9.1.2 SNMP Messaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313 9.1.3 Control Path and Data Path failover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314 9.2 Overview of available tape libraries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315 9.3 IBM System Storage TS2900 Tape Autoloader Express . . . . . . . . . . . . . . . . . . . . . . 316 9.3.1 TS2900 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317 9.3.2 TS2900 specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317 9.4 IBM System Storage TS3100 Tape Library Express Model . . . . . . . . . . . . . . . . . . . . 318 9.4.1 TS3100 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319 9.4.2 TS3100 specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319 9.5 IBM System Storage TS3200 Tape Library . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320 9.5.1 TS3200 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321 9.5.2 TS3200 specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323 9.6 IBM System Storage TS3400 Tape Library . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324 9.6.1 TS3400 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325 9.6.2 TS3400 specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325 9.7 IBM System Storage TS3310 Tape Library . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326 9.7.1 TS3310 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327 9.7.2 TS3310 specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328 9.8 IBM System Storage TS3500 Tape Library . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329 9.8.1 Advanced Library Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330 9.8.2 IBM High Density Frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331 9.8.3 Virtual I/O slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331 9.8.4 TS3500 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332 9.8.5 TS3500 specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332 9.9 IBM TotalStorage 3953 Tape System for System z . . . . . . . . . . . . . . . . . . . . . . . . . . 333 9.9.1 Attachment methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333 9.9.2 3953 Tape System features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335 Chapter 10. IBM Tape Virtualization products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337 10.1 Introduction to Tape Virtualization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338 10.2 Concept of Data Deduplication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342 Contents ix
  11. 11. 5250TOC.fm Draft Document for Review February 24, 2011 12:14 pm 10.2.1 Types of data deduplication and HyperFactor . . . . . . . . . . . . . . . . . . . . . . . . . 343 10.2.2 ProtecTIER Native Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344 10.3 TS7610 ProtecTIER Deduplication Appliance Express . . . . . . . . . . . . . . . . . . . . . . 345 10.3.1 TS7610 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346 10.4 TS7650 ProtecTIER Deduplication Appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346 10.4.1 TS7650 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347 10.4.2 TS7650 configuration options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348 10.5 TS7650G ProtecTIER Deduplication Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349 10.5.1 TS7650G features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351 10.6 IBM TS7680 ProtecTIER Gateway for System z . . . . . . . . . . . . . . . . . . . . . . . . . . . 351 10.6.1 TS7680 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353 10.7 IBM Virtualization Engine TS7700 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353 10.7.1 TS7700 Virtualization Engine highlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354 10.7.2 Characteristics of components comprising the TS7700 . . . . . . . . . . . . . . . . . . 355 10.7.3 IBM Virtualization Engine TS7740 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355 10.7.4 IBM Virtualization Engine TS7720 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356 10.8 IBM Data Facility Storage Management Subsystem. . . . . . . . . . . . . . . . . . . . . . . . . 356 10.8.1 The IBM Data Facility Storage Management Subsystem Removable Media Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356 10.8.2 DFSMSrmm highlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357 10.9 More information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357 Chapter 11. Complementary storage products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359 11.1 IBM DDS Generation 5 USB Tape Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360 11.1.1 IBM DDS Generation 5 USB Tape Drive highlights . . . . . . . . . . . . . . . . . . . . . 360 11.2 IBM DDS Generation 6 USB Tape Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361 11.2.1 IBM DDS Generation 6 USB Tape Drive highlights . . . . . . . . . . . . . . . . . . . . . 361 11.3 IBM TotalStorage 7206 External Tape Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362 11.3.1 IBM 7206 Model 336 highlights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363 11.4 IBM TotalStorage 7207 External Tape Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363 11.4.1 IBM TotalStorage 7207 External Tape Drive highlights . . . . . . . . . . . . . . . . . . 363 11.5 IBM External Tape Enclosures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364 11.5.1 IBM System Storage 7214 Storage Device Enclosure . . . . . . . . . . . . . . . . . . . 364 11.5.2 IBM System Storage 7216 Multimedia Enclosure. . . . . . . . . . . . . . . . . . . . . . . 365 11.5.3 Half High Tape Drive External Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367 11.5.4 1U Tape Drive External Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367Part 3. Storage Networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369 Chapter 12. Introduction to storage networking . . . . . . . . . . . . . . . . . . . . . .