z/OS Version 2 Release 3 MVS Planning: Operations IBM SA23-1390-30 Note Before using this information and the product it supports, read the information in “Notices” on page 205. This edition applies to Version 2 Release 3 of z/OS (5650-ZOS) and to all subsequent releases and modifications until otherwise indicated in new editions. Last updated: 2019-02-16 © Copyright International Business Machines Corporation 1988, 2017. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents List of Figures....................................................................................................... ix List of Tables........................................................................................................ xi About this document...........................................................................................xiii Who should use this document.................................................................................................................xiii How to use this document.........................................................................................................................xiii Where to find more information................................................................................................................ xiv Conventions and terminology used in this information...................................................................... xiv How to send your comments to IBM......................................................................xv If you have a technical problem.................................................................................................................xv Summary of changes...........................................................................................xvi Summary of changes in z/OS Version 2 Release 3 (V2R3).......................................................................xvi Summary of changes in z/OS Version 2 Release 2 (V2R2).......................................................................xvi z/OS Version 2 Release 1 summary of changes....................................................................................... xvi Chapter 1. Planning MVS operations.......................................................................1 Operations goals.......................................................................................................................................... 1 Operating environment................................................................................................................................ 2 Multiple console support and the MVS environment............................................................................ 2 Sysplex operating environment............................................................................................................. 4 Using MCS, HMCS and SMCS consoles in a system or sysplex............................................................. 4 Extended MCS consoles......................................................................................................................... 5 SDSF and MVS operations planning.......................................................................................................8 RMF and MVS operations planning........................................................................................................ 9 IBM OMEGAMON z/OS Management Console and MVS operations planning ..................................... 9 Tivoli OMEGAMON and MVS operations planning .............................................................................. 10 Automated operations and z/OS operations planning........................................................................ 10 Remote operations and MVS operations planning.............................................................................. 11 ESCON, FICON, and operations planning............................................................................................ 11 Chapter 2. Defining console configuration............................................................ 13 Console considerations for z/OS V1R8 and higher................................................................................... 13 Choosing how to define your console configuration.................................................................................15 Using CONSOLxx........................................................................................................................................16 CONSOLE statement............................................................................................................................ 17 INIT, DEFAULT, and HARDCOPY statements.......................................................................................20 CONSOLxx and the sysplex.................................................................................................................. 24 SMCS console considerations................................................................................................................... 28 Installing SMCS.................................................................................................................................... 28 Removing console definitions from a configuration................................................................................. 37 Sample invocation of IEARELCN..........................................................................................................38 Environment......................................................................................................................................... 38 Removing extended MCS console definitions from a configuration.........................................................40 Sample invocation of IEARELEC.......................................................................................................... 41 Environment......................................................................................................................................... 41 Defining devices as MCS, HMCS, or SMCS consoles.................................................................................42 Devices MVS can use as MCS consoles............................................................................................... 43 Using console names........................................................................................................................... 43 Attaching consoles to particular systems in a sysplex............................................................................. 45 Utilizing standby mode.............................................................................................................................. 46 iii Planning console recovery.........................................................................................................................47 Recovery considerations...................................................................................................................... 47 Console recovery and the RESET CN command..................................................................................47 Planning console groups...................................................................................................................... 47 Activating CNGRPxx............................................................................................................................. 47 Display of synchronous messages.......................................................................................................48 System console automatic activation..................................................................................................49 Recovery for consoles................................................................................................................................49 System problems..................................................................................................................................49 Console hardware errors......................................................................................................................49 System programming problems...........................................................................................................49 Console hardware errors......................................................................................................................53 Actions to see system messages at the system console.................................................................... 54 Planning console security..........................................................................................................................54 Controlling command authority with the AUTH attribute................................................................... 55 Assigning a console master authority..................................................................................................56 Using RACF to control command authority and operator logon......................................................... 56 Defining RACF profiles..........................................................................................................................57 MVS commands, RACF access authorities, and resource names....................................................... 63 Other ways to control command authority for consoles....................................................................