5.4 IBM OMEGAMON for Db2 Performance Expert on z/OS Planning, Customization, and Migration Guide IBM GH12-7072 Note: Before using this information and the product it supports, read the "Notices" topic at the end of this information. 2021-03-23 edition This edition applies to Version 5 Release 4 of IBM® OMEGAMON for DB2® Performance Expert on z/OS (product number 5655-W37) and to all subsequent releases and modifications until otherwise indicated in new editions. © Copyright IBM Corp. 2005, 2021 iii iv Planning, Customization, and Migration Guide Contents ............................................................................................................................ iii Figures................................................................................................................. ix Tables.................................................................................................................. xi About this information......................................................................................... xv Chapter 1. Overview.............................................................................................. 1 Where to find information............................................................................................................................1 Service updates and support information...................................................................................................2 Accessibility features...................................................................................................................................2 How to send your comments.......................................................................................................................3 Chapter 2. Planning............................................................................................... 5 Gathering information..................................................................................................................................5 Planning your environment.................................................................................................................... 5 Planning features....................................................................................................................................5 Requirements...............................................................................................................................................6 Special considerations for data sharing.................................................................................................... 11 VTPOOL sharing in a multihost environment............................................................................................ 12 Security...................................................................................................................................................... 15 Security file listing................................................................................................................................ 15 Optional external security features..................................................................................................... 17 Customized security for the Classic Interface.....................................................................................20 Worksheet for planning your configuration...............................................................................................39 PARMGEN...................................................................................................................................................42 Creating new DB2 subsystem configurations......................................................................................43 Configuring DB2 subsystems/data sharing groups............................................................................. 47 Questions and answers..............................................................................................................................53 Why do I need to enable an existing configuration?........................................................................... 53 How can I change the plan name from the default?........................................................................... 54 Chapter 3. Installing z/OS components................................................................ 55 Scenarios....................................................................................................................................................55 Installing OMEGAMON for Db2 PE with default values.......................................................................55 Configuring Near-Term History............................................................................................................ 61 Configuring InfoSphere Optim Performance Manager........................................................................62 Preparing the system.................................................................................................................................63 Installing the program files..................................................................................................................63 Setting up security for the OMEGAMON Collector.............................................................................. 63 Setting up TCP/IP services...................................................................................................................63 Enabling started jobs for Performance Warehouse.............................................................................64 Specifying DB2 load libraries............................................................................................................... 65 Setting up RRSAF................................................................................................................................. 65 Configuring basic components on z/OS.................................................................................................... 66 Configuring global control parameters................................................................................................ 66 Enabling DB2 Event Exception Processing..........................................................................................66 Enabling CPU parallelism data collection............................................................................................67 v Configuring Classic Interface...............................................................................................................67 Configuring ISPF Monitoring Dialogs................................................................................................... 75 Enabling Performance Expert Client support....................................................................................117 Enabling IBM Tivoli Monitoring..........................................................................................................118 Configuring additional components on z/OS.......................................................................................... 120 Enabling Application Trace Facility....................................................................................................121 Enabling Buffer Pool Analyzer........................................................................................................... 121 Adding a Performance Database....................................................................................................... 121 Enabling Reporter.............................................................................................................................. 122 Enabling options in OMEGAMON for Db2 PE Collector Realtime Customer Options (OMPEOPTS) 122 Cross-system coupling facility feature.............................................................................................. 123 Dynamic subsystem name assignment............................................................................................. 125 Defining message logs....................................................................................................................... 126 Completing the configuration for z/OS....................................................................................................127 Configuring monitoring profiles and DB2 subsystems........................................................................... 127 Monitoring profiles and DB2 subsystems..........................................................................................128 Configuring DB2 subsystem monitoring............................................................................................129 Enabling Object Volume Analysis...................................................................................................... 129 Enabling Periodic Exception Processing............................................................................................130 Enabling Near-Term History...............................................................................................................131 Enabling Snapshot History.................................................................................................................132 Enabling Performance Expert Agent for DB2 Connect Monitoring support..................................... 133 Enabling DB2 EXPLAIN...................................................................................................................... 134 Enabling