Front cover Introduction to the System z Hardware Management Console Large scale hardware systems management concepts Design and implementation of a management controller Practical operational techniques and scenarios Merwyn Jones HMC & SE Development Team ibm.com/redbooks International Technical Support Organization Introduction to the System z Hardware Management Console February 2010 SG24-7748-00 Note: Before using this information and the product it supports, read the information in “Notices” on page xi. First Edition (February 2010) © 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 Schedule Contract with IBM Corp. Contents Notices . xi Trademarks . xii Preface . xiii The team who wrote this book . xiii Acknowledgements . xvi Become a published author . xvi Comments welcome. xvi Chapter 1. Introduction to System z Hardware. 1 1.1 General introduction: Mainframes in our midst . 2 1.2 System z hardware architecture . 3 1.2.1 Consolidation of mainframes . 3 1.2.2 An overview of the early architectures . 4 1.2.3 Early system design . 5 1.2.4 Current architecture . 7 1.3 The raised floor . 7 1.4 Hardware management console . 9 1.5 Frames and cages . 9 1.6 Processor units . 10 1.6.1 Multiprocessors. 10 1.6.2 Processor types . 11 1.7 Memory hierarchy . 13 1.8 Networking the mainframe . 14 1.9 Disk devices . 14 1.9.1 Types of DASD . 16 1.9.2 Basic shared DASD . 17 1.10 I/O connectivity (channels) . 18 1.10.1 Channel subsystem . 18 1.11 System control and partitioning. 20 1.11.1 Controlling the mainframe. 20 1.11.2 Logically partitioning resources. 21 1.12 Exercises and discussions . 22 Chapter 2. Systems management overview . 23 2.1 Introduction to systems management . 23 2.1.1 System data . 24 2.2 Hardware Management Console introduction. 27 2.3 Support element introduction . 30 2.4 HMC and SE system management disciplines . 32 2.4.1 HMC and SE business management functions. 32 2.4.2 HMC and SE configuration management functions . 33 2.4.3 HMC and SE performance management functions. 36 2.4.4 HMC and SE operations management functions . 38 2.4.5 System z serviceability functions . 45 2.5 Questions and discussions . 47 Chapter 3. User experience . 49 3.1 HMC user interface overview and background . 50 © Copyright IBM Corp. 2010. All rights reserved. iii 3.2 HMC user interface design . 51 3.2.1 Personas, user stories, and stakeholders. 52 3.2.2 Initial design . 52 3.3 Customer investment: User interface transition/migration. 53 3.3.1 Classic style . 53 3.3.2 Tree style . 55 3.3.3 How: user interface framework . 59 3.4 Consistent user experience. 59 3.4.1 Common UI widgets . 59 3.4.2 Panel and task consistency . 60 3.5 Technologies. 63 3.5.1 WUI elements . 64 3.5.2 Plug-ins . 68 3.5.3 UI technology change tolerance . 69 3.5.4 Server push (real-time status). 71 3.5.5 Disconnect (roaming users) . 72 3.6 User defined resource relationships . 72 3.7 Systems management launch in context . 73 3.7.1 UI task integration: Launch-in-context. 74 3.8 Questions and discussions . 75 Chapter 4. User management . 77 4.1 HMC User Management overview . 77 4.1.1 Typical scenario . 78 4.2 HMC user management defaults and definitions . 78 4.3 HMC user management definitions. 79 4.4 Manage User Profiles and access . 80 4.5 Adding a new user with an operator role . ..