Front cover IBM zEnterprise System Technical Introduction Addresses increasing complexity, rising costs, and infrastructure constraints Describes key functional elements and features Discusses a smart infrastructure for the data center of the future Bill White Octavian Lascu Erik Bakker Parwez Hamid Fernando E Nogal Frank Packheiser Vicente Ranieri Jr. Karl-Erik Stenfors Esra Ufacik Chen Zhu ibm.com/redbooks International Technical Support Organization IBM zEnterprise System Technical Introduction August 2011 SG24-7832-01 Note: Before using this information and the product it supports, read the information in “Notices” on page vii. Second Edition (August 2011) This edition applies to the IBM zEnterprise System, which includes the z196, z114, zBX, and Unified Resource Manager. © Copyright International Business Machines Corporation 2010, 2011. All rights reserved. Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Notices . vii Trademarks . viii Preface . ix The team who wrote this book . ix Now you can become a published author, too! . xii Comments welcome. xii Stay connected to IBM Redbooks . xii Chapter 1. Proposing an IT infrastructure (r)evolution . 1 1.1 IT infrastructures today . 2 1.2 Future infrastructures . 2 1.3 Introducing the zEnterprise System . 3 1.4 Fixing the IT infrastructure . 5 1.4.1 zEnterprise ensemble management . 5 1.4.2 z196 and z114 virtualized environments. 6 1.4.3 zBX virtualized environments . 7 1.4.4 Flexibility and security. 7 1.4.5 A cornerstone of a smart IT infrastructure. 9 1.5 zEnterprise CPCs technical description . 10 1.5.1 IBM zEnterprise 196 . 10 1.5.2 IBM zEnterprise 114 . 12 1.5.3 Processor cages and drawers. 13 1.5.4 I/O subsystem . 15 1.5.5 I/O connectivity . 17 1.5.6 zEnterprise BladeCenter Extension . 20 1.5.7 Unified Resource Manager . 21 1.6 Capacity On Demand . 22 1.7 Software . 22 Chapter 2. Achieving a (r)evolutionary IT infrastructure. 25 2.1 zEnterprise ensembles and virtualization . 27 2.2 Unified Resource Manager . 28 2.3 Virtualization management . 29 2.3.1 Hypervisor management. 29 2.3.2 Virtual server management. 29 2.3.3 Virtual network management . 30 2.3.4 Virtual storage management. 31 2.4 Performance management . 32 2.5 Energy monitoring . 33 2.6 Physical resources management . 33 2.6.1 Role of the HMC in an ensemble . 33 2.6.2 Management examples. 34 2.6.3 Serviceability. 34 2.7 Benefiting from a (r)evolutionay infrastructure . 35 2.7.1 Workloads . 36 2.7.2 Cloud computing . 40 Chapter 3. zEnterprise System hardware overview . 45 © Copyright IBM Corp. 2010, 2011. All rights reserved. iii 3.1 zEnterprise CPC highlights, models, and upgrades . 46 3.1.1 z196 highlights . 46 3.1.2 z196 models . 47 3.1.3 z114 highlights . 49 3.1.4 z114 models . 49 3.2 The frames . 51 3.2.1 z196 frames . 51 3.2.2 z114 frame . 53 3.3 z196 processor cage, books, and MCM . 53 3.4 z114 processor drawer and SCM . 57 3.5 Processor chip . 58 3.6 Processor unit . 59 3.7 Memory . 60 3.7.1 Concurrent memory upgrade . 62 3.7.2 Redundant array of independent memory. 62 3.7.3 Hardware system area . 62 3.8 I/O system structure . 63 3.9 I/O features . 65 3.9.1 ESCON . 65 3.9.2 FICON Express8S . 66 3.9.3 FICON Express8. 67 3.9.4 FICON Express4. 67 3.9.5 OSA-Express4S . 68 3.9.6 OSA-Express3.