zEnterprise System Processor Resource/Systems Manager Planning Guide SB10-7155-01 Level 01a zEnterprise System Processor Resource/Systems Manager Planning Guide SB10-7155-01 Level 01a Level 01a Note Before using this information and the product it supports, read the information in “Safety” on page xi, Appendix D, “Notices,” on page 217, and IBM Systems Environmental Notices and User Guide, Z125-5823. This edition, SB10-7155-01, applies to the IBM zEnterprise 196 and zEnterprise 114 servers. This edition replaces SB10-7155-00. There might be a newer version of this document in a PDF file available on Resource Link.Goto http://www.ibm.com/servers/resourcelink and click Library on the navigation bar. A newer version is indicated by a lowercase, alphabetic letter following the form number suffix (for example: 00a, 00b, 01a, 01b). © Copyright IBM Corporation 2010, 2011. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Level 01a Contents Figures ..............vii Chapter 2. Planning considerations . 31 Overview ...............33 Tables ...............ix Planning the I/O configuration ........33 Planning considerations .........33 Safety ...............xi Maximum number of logical partitions ....35 Managing logical paths for ESCON and FICON Safety notices ..............xi channels ..............36 World trade safety information .......xi Managing the establishment of logical paths . 40 Laser safety information ..........xi Shared channel overview .........49 Laser compliance ...........xi Unshared ESCON or FICON channel recommendations ...........55 About this publication ........xiii Dynamically managed CHPIDs.......55 What is included in this publication ......xiv IOCP coding specifications ........56 Related publications ...........xv Coupling facility planning considerations ....66 z/Architecture ............xv Test or migration coupling configuration . 66 Enterprise Systems Architecture/390 (ESA/390) xv Production coupling facility configuration . 66 Hardware ..............xv Internal Coupling Facility (ICF).......67 Software ..............xv System-managed coupling facility structure || Revisions ...............xvi duplexing ..............69 || Accessibility .............xvii Single CPC software availability sysplex....70 How to send your comments ........xvii Coupling facility nonvolatility .......70 Coupling facility mode setting .......71 Summary of changes ........xix Coupling facility LP definition considerations . 71 Coupling facility LP storage planning Chapter 1. Introduction to logical considerations ............71 partitions ..............1 Dump space allocation in a coupling facility . 73 Coupling facility LP activation considerations . 73 Overview ...............2 Coupling facility shutdown considerations . 73 Prerequisites for operation ..........2 Coupling facility LP operation considerations . 74 PR/SM ...............2 Coupling facility control code commands . 74 System z Parallel Sysplex support ......4 Coupling facility level (CFLEVEL) considerations 74 Guest coupling simulation .........5 Coupling Facility Resource Management (CFRM) Control program support in a logical partition . 5 policy considerations ..........78 Input/Output Configuration Program (IOCP) Coupling facility channels ........78 support...............19 Linux operating system planning considerations . 82 Hardware support ...........19 Integrated Facility for Linux (IFL) ......82 Operator training ...........19 z/VM utilizing IFL features ........82 Logical partitions ............20 IBM System z Application Assist Processor (zAAP) 83 Characteristics ............20 IBM System z Integrated Information Processor Potential applications ..........22 (zIIP) ................83 Compatibility and migration considerations . 24 Concurrent patch ............84 Device numbers ............24 CFCC enhanced patch apply ........84 Multiple Subchannel Sets (MSS) ......24 Dynamic capacity upgrade on demand .....85 Control programs ...........24 PR/SM shared partitions .........85 CPU IDs and CPU addresses .......26 Mixed shared and dedicated PR/SM partitions 86 HSA allocation .............28 Multiple dedicated PR/SM partitions.....87 TOD clock processing ...........28 Shared Internal Coupling Facility ......87 Server Time Protocol not enabled ......28 Dynamic capacity upgrade on demand limitations 88 Server Time Protocol enabled .......28 Concurrent Memory Upgrade ........89 Sysplex testing without Server Time Protocol Capacity Backup Upgrade (CBU) capability . 89 enabled...............28 Enhanced Book Availability .........90 Synchronized Time Source and the coupling Preparing for Enhanced Book Availability . 90 facility ...............29 Customer Initiated Upgrade (CIU).......92 Extended TOD-clock facility ........29 Concurrent Processor Unit conversion .....92 Clock Comparator on Shared Processors....29 Planning for nondisruptive install of crypto features 93 © Copyright IBM Corp. 2010, 2011 iii Level 01a Chapter 3. Determining the Chapter 4. Operating logical partitions 173 characteristics of logical partitions . 95 Overview...............174 Planning overview ............97 Available operator controls .........174 Performance considerations ........97 Operator controls not available .......176 Recovery considerations .........98 Operator tasks .............177 Determining the characteristics ........98 Editing activation profiles ........177 Control program support .........98 Activating a CPC ...........177 IOCDS requirements ..........99 Activating an LP ...........177 Logical partition identifier ........99 Performing a load on an LP or activating a load Mode of operation ...........99 profile ...............177 Storage configurations .........100 Deactivating an LP ..........177 Central storage ............100 Locking and unlocking an LP .......178 Expanded storage ...........103 Deactivating a CPC ..........179 Dynamic storage reconfiguration ......105 Number of central processors .......114 Chapter 5. Monitoring the activities of Central processor recommendations for logical partitions ..........181 Intelligent Resource Director (IRD) .....115 Overview...............182 Processor considerations for Linux-only LPs . 115 Monitoring logical partition activity ......182 Processor considerations for coupling facility Reviewing current storage information ....182 LPs................116 Reviewing and changing current channel status 183 Processor considerations for z/VM mode LPs 119 Reviewing and changing current logical Processor considerations for LPs with multiple partition controls ...........183 CP types ..............119 Reviewing and adding logical processors . 183 Dedicated central processors .......119 Reviewing and changing current logical Shared central processors ........120 partition group controls .........184 Enforcement of processing weights .....123 Reviewing and changing current logical Defining shared channel paths.......133 partition security ...........186 Dynamic CHPID management (DCM) Reviewing and changing current logical considerations ............135 partition cryptographic controls ......187 I/O priority recommendations.......135 Reviewing current system activity profile Security-related controls .........135 information .............192 Dynamic I/O configuration........138 Reviewing and changing logical partition I/O Assigning channel paths to a logical partition 138 priority values ............192 Automatic load for a logical partition ....140 Logical partition performance ........194 Defining logical partitions .........140 RMF LPAR management time reporting . 194 Global reset profile definitions.......143 Dedicated and shared central processors . 195 General ..............146 CPENABLE .............195 Processor Characteristics ........148 Start Interpretive Execution (SIE) performance 195 Security characteristics .........153 Recovery strategy ............195 Establishing optional characteristics .....156 Operation considerations ........196 Storage characteristics .........157 Application preservation ........196 Load information ...........159 Transparent sparing ..........196 Cryptographic characteristics .......161 Creating a logical partition group profile . 164 Appendix A. User interface (UI) styles 197 Enabling Input/Output priority queuing . 166 User interface (UI) styles .........197 Changing logical partition Input/Output Tree style user interface .........197 priority queuing values .........167 Classic style user interface ........199 Moving unshared channel paths .......169 Changing the user interface style ......199 Moving unshared channel paths from a z/OS system ..............169 Moving a channel path from the hardware Appendix B. Coupling facility control console ..............169 code support ...........201 Releasing reconfigurable channel paths ....169 Legend ...............201 Configuring shared channel paths ......169 Deconfiguring shared channel paths......170 Appendix C. Developing, building, and Removing shared channel paths for service . 170 delivering a certified system .....203 Changing logical partition definitions .....170 Creating Common Criteria-Based evaluations. 203 Changes available dynamically to a running LP 170 Functional characteristics .........203 Changes available at the next LP activation . 171 Trusted configuration...........204 Changes available at the next Power-On Reset zEnterprise PR/SM characteristics ......206 (POR) ...............172 iv PR/SM Planning Guide Level 01a Central and expanded storage