Front cover -- Contents -- Figures -- Tables -- Examples -- Notices -- Trademarks -- Preface -- The team that wrote this redbook -- Become a published author -- Comments welcome -- Summary of changes -- February 2005, Third Edition -- October 2003, Second Edition -- January 2003, First Edition -- Chapter 1. Logical partitioning primer -- 1.1 An introduction to partitioning -- 1.1.1 Basic types of partitioning -- 1.1.2 Partition isolation and security -- 1.2 Introduction to Micro-Partitioning and Virtualization -- 1.2.1 Micro-Partitioning -- 1.2.2 Virtual Ethernet -- 1.2.3 Virtual I/O Server -- 1.2.4 Advanced POWER Virtualization technologies -- 1.2.5 Advanced OpenPower Virtualization technologies -- 1.2.6 Obtaining the Virtual I/O Server and Partition Load Manager -- 1.3 Partitioning on eServer p5 and OpenPower servers -- 1.4 IBM Hardware Management Console -- 1.5 IBM ^ Information Center -- 1.6 LPAR Validation Tool -- 1.7 Operating system support -- 1.7.1 AIX -- 1.7.2 Linux -- Chapter 2. Partitioning implementation -- 2.1 Partitioning enablers -- 2.1.1 Hardware -- 2.1.2 Firmware -- 2.2 Partition resources -- 2.2.1 Partition and system profiles -- 2.2.2 Processors -- 2.2.3 Memory -- 2.2.4 Physical I/O slots -- 2.2.5 Virtual I/O -- 2.2.6 Minimum, desired, and maximum values -- 2.3 Resource planning using LPAR Validation Tool -- 2.3.1 System Selection dialog -- 2.3.2 Memory Specification dialog -- 2.3.3 LPAR Validation dialog -- 2.4 I/O device assignment considerations -- 2.4.1 Media devices -- 2.4.2 Boot device considerations -- 2.4.3 Network devices -- 2.4.4 Graphics console -- 2.4.5 High availability -- 2.5 LPAR limitations and considerations -- Chapter 3. Basic partition management -- 3.1 Hardware Management Console -- 3.1.1 Managing I/O devices and slots -- 3.1.2 Managing memory -- 3.1.3 Managing processing power.

3.1.4 Scheduling movement of resources -- 3.2 Advanced System Management Interface -- 3.2.1 Accessing the ASMI using a Web browser -- 3.2.2 Accessing the ASMI using the HMC -- 3.2.3 Network configuration -- 3.2.4 Service processor -- 3.2.5 Power/Restart control -- 3.3 Resetting a server -- 3.3.1 EEH adapters and partitioning -- 3.3.2 Restoring a server to factory settings -- 3.4 Partition Load Manager -- 3.4.1 Managing memory -- 3.4.2 Managing processors -- 3.4.3 Limitations and considerations -- 3.4.4 Installing Partition Load Manager -- 3.4.5 Querying partition status -- 3.4.6 Managing memory resource requests -- 3.4.7 Processor resources in a shared partition environment -- Chapter 4. Virtualized resource management -- 4.1 Micro-Partitioning technology -- 4.1.1 Shared processor partitions -- 4.1.2 Processing units of capacity -- 4.1.3 Capped and uncapped mode -- 4.1.4 Virtual processors -- 4.1.5 Dedicated processors -- 4.1.6 Capped and uncapped processing units -- 4.1.7 Dynamic processor deallocation and sparing -- 4.2 Advanced Virtualization -- 4.2.1 Virtual LAN -- 4.2.2 VLAN communication by example -- 4.3 Introduction to Virtual I/O Server -- 4.3.1 Shared Ethernet Adapter -- 4.3.2 Virtual SCSI -- 4.3.3 Limitations and considerations -- 4.4 Virtual I/O Server and virtualization configuration -- 4.4.1 Using the command line interface -- 4.4.2 Managing hardware resources -- 4.4.3 Installing Virtual I/O Server -- 4.4.4 Basic configuration -- 4.4.5 Ethernet adapter sharing -- 4.4.6 Virtual SCSI disk -- 4.4.7 Defining the Virtual SCSI Server adapter on the HMC -- 4.4.8 Defining the Virtual SCSI Client adapter on the HMC -- 4.4.9 Creating the virtual target device on the Virtual I/O Server -- 4.4.10 Limitations and considerations -- Chapter 5. Dynamic logical partitioning -- 5.1 Dynamic logical partitioning overview -- 5.1.1 Processor resources.

5.1.2 Dynamic partitioning for Virtual Ethernet devices -- 5.1.3 Dynamic partitioning for Virtual SCSI devices -- 5.1.4 Capacity on Demand -- 5.2 The process flow of a DLPAR operation -- 5.3 Internal activity in a DLPAR event -- 5.3.1 Internal activity for processors and memory in a DLPAR event -- 5.3.2 Internal activity for I/O slots in a DLPAR event -- 5.4 DLPAR-safe and DLPAR-aware applications -- 5.4.1 DLPAR-safe -- 5.4.2 DLPAR-aware -- 5.5 Integrating a DLPAR operation into the application -- 5.5.1 Three phases in a DLPAR event -- 5.5.2 Event phase summary -- 5.6 Script-based DLPAR event handling -- 5.6.1 Script execution environment -- 5.6.2 DLPAR script naming convention -- 5.7 DLPAR script subcommands -- 5.7.1 The scriptinfo subcommand -- 5.7.2 The register subcommand -- 5.7.3 The usage subcommand -- 5.7.4 The checkrelease subcommand -- 5.7.5 The prerelease subcommand -- 5.7.6 The postrelease subcommand -- 5.7.7 The undoprerelease subcommand -- 5.7.8 The checkacquire subcommand -- 5.7.9 The preacquire subcommand -- 5.7.10 The postacquire subcommand -- 5.7.11 The undopreacquire subcommand -- 5.8 How to manage DLPAR scripts -- 5.8.1 List registered DLPAR scripts -- 5.8.2 Register a DLPAR script -- 5.8.3 Uninstall a registered DLPAR script -- 5.8.4 Change the script install path -- 5.8.5 The drmgr command line options -- 5.8.6 Sample output examples from a DLPAR script -- 5.9 API-based DLPAR event handling -- 5.9.1 The dr_reconfig system call -- 5.9.2 A sample code using the dr_reconfig system call -- 5.9.3 Sample output examples from a DLPAR-aware application -- 5.9.4 DLPAR-aware kernel extensions -- 5.10 Error handling of DLPAR operations -- 5.10.1 Possible causes of DLPAR operation failures -- 5.10.2 Error analysis facilities -- 5.10.3 AIX error log messages when DLPAR operations fail -- Chapter 6. The POWER Hypervisor -- 6.1 Introduction.

6.2 Hypervisor support -- 6.3 Hypervisor call functions -- 6.4 Micro-Partitioning technology extensions -- 6.5 Memory considerations -- 6.6 Performance considerations -- Appendix A. Dynamic logical partitioning program templates -- General information -- Perl template -- Korn shell template -- DLPAR-aware application using a signal handler -- How to compile and run the application -- Appendix B. Dynamic logical partitioning output samples -- Using the syslog facility -- CPU addition -- CPU removal -- Memory addition -- Memory removal -- Using the AIX system trace facility -- CPU addition trace output -- CPU removal trace output -- Memory addition trace output -- Memory removal trace output -- Using the AIX error log facility -- Abbreviations and acronyms -- Related publications -- IBM Redbooks -- IBM Redpapers -- IBM Whitepapers -- pSeries and eServer p5 publications -- LPAR Validation Tool -- Other publications -- Online resources -- How to get IBM Redbooks -- Index -- Back cover.