text: **Contents**
  
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              [html]<thead><tr><td>Notices</td><td>xiii</td></tr></thead><tbody><tr><td>Trademarks</td><td>xiv</td></tr><tr><td>Preface</td><td>ΔXV</td></tr><tr><td>Authors</td><td>ΔXV</td></tr><tr><td>Now you can become a published author, too!</td><td>xviii</td></tr><tr><td>Comments welcome</td><td>XVIIi</td></tr><tr><td>Stay connected to IBM Redbooks</td><td>xviii</td></tr><tr><td>Summary of changes</td><td>xix</td></tr><tr><td>May 2019, Eighth Edition</td><td>xix</td></tr><tr><td>Chapter 1. Introduction to storage virtualization</td><td>1</td></tr><tr><td>1.1 Storage virtualization terminology</td><td>2</td></tr><tr><td>1.2 Benefits of using IBM Spectrum Virtualize</td><td>5</td></tr><tr><td>1.3 Latest changes and enhancements</td><td>6</td></tr><tr><td>1.4 Summary</td><td>7</td></tr><tr><td>Chapter 2. System overview</td><td>9</td></tr><tr><td>2.1 IBM Spectrum Virtualize</td><td>10</td></tr><tr><td>2.2 Storage virtualization</td><td>10</td></tr><tr><td>2.3 IBM Storwize V7000 overview</td><td>12</td></tr><tr><td>2.3. 1 IBM Storwize V7000 models</td><td>13</td></tr><tr><td>2.3. 2 IBM Storage Utility offerings</td><td>14</td></tr><tr><td>2.3. 3 IBM Storwize V7000 functions</td><td>16</td></tr><tr><td>2.3. 4 IBM Storwize V7000 licensing.</td><td>18</td></tr><tr><td>2.4 IBM Storwize V7000 hardware</td><td>19</td></tr><tr><td>2.5 IBM Storwize V7000 components</td><td>19</td></tr><tr><td>2.5. 1 Hosts</td><td>20</td></tr><tr><td>2.5. 2 Host cluster</td><td>20</td></tr><tr><td>2.5. 3 Nodes or canisters</td><td>20</td></tr><tr><td>2.5. 4 I / O groups</td><td>20</td></tr><tr><td>2.5. 5 Cache</td><td>21</td></tr><tr><td>2.5. 6 Clustered system</td><td>23</td></tr><tr><td>2.5. 7 HyperSwap</td><td>24</td></tr><tr><td>2.5. 8 Dense expansion drawers</td><td>24</td></tr><tr><td>2.5. 9 Expansion Enclosures</td><td>25</td></tr><tr><td>2.5. 10 RAID</td><td>27</td></tr><tr><td>2.5. 11 Read Intensive Flash Drives</td><td>28</td></tr><tr><td>2.5. 12 Managed disks</td><td>28</td></tr><tr><td>2.5. 13 Quorum disks</td><td>29</td></tr><tr><td>2.5. 14 IP Quorum</td><td>29</td></tr><tr><td>2.5. 15</td><td>Storage pool</td></tr><tr><td>30</td><td>2.5. 16 Volumes</td></tr><tr><td>31</td><td>2.5. 17</td></tr><tr><td>Easy Tier</td><td>33</td></tr><tr><td>2.5. 18</td><td>Encryption</td></tr><tr><td>34</td><td>2.5. 19</td></tr><tr><td>iSCSI.</td><td>34</td></tr></tbody>
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