Dell EMC Mainframe Enablers TimeFinder/Clone Mainframe Snap Facility for z/OS Version 8.0 and higher Product Guide REV 8.4-7 Copyright © 2003-2020 Dell Inc. or its subsidiaries. All rights reserved. Published June 2020 Dell believes the information in this publication is accurate as of its publication date. The information is subject to change without notice. THE INFORMATION IN THIS PUBLICATION IS PROVIDED “AS-IS”. DELL MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WITH RESPECT TO THE INFORMATION IN THIS PUBLICATION, AND SPECIFICALLY DISCLAIMS IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. USE, COPYING, AND DISTRIBUTION OF ANY DELL SOFTWARE DESCRIBED IN THIS PUBLICATION REQUIRES AN APPLICABLE SOFTWARE LICENSE. Dell Technologies, Dell, EMC, Dell EMC and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners. Published in the USA. Dell EMC Hopkinton, Massachusetts 01748-9103 1-508-1000 In North America 1-866-464-7381 www.DellEMC.com 2 TimeFinder/Clone Mainframe Snap Facility 8.0 and Higher Product Guide CONTENTS Preface Chapter 1 Introduction Introduction to TimeFinder....................................................................... 20 Mainframe Enablers and TimeFinder................................................... 20 TimeFinder/Clone Mainframe Snap Facility........................................ 21 Licensing ............................................................................................ 21 TimeFinder/Clone .................................................................................... 22 Dataset snap ...................................................................................... 22 Full-volume snap................................................................................. 23 Remote full-volume snap .................................................................... 23 Simultaneous (parallel) clone.............................................................. 24 VP snaps ............................................................................................ 25 Clone restore virtual snaps (CRVS).................................................... 26 Additional TF/Clone capabilities ......................................................... 27 Working with clone copies.................................................................. 27 TimeFinder/Snap ..................................................................................... 28 Virtual devices .................................................................................... 28 Snap pool devices............................................................................... 29 Basic Snap operations ........................................................................ 29 Virtual restore operations ................................................................... 30 VP Snap restore to copied clone target (VRTT) ................................. 31 Incremental clone refresh/resnap....................................................... 32 Persistent restore operations ............................................................. 32 Planning for virtual device implementations........................................ 33 TimeFinder/Consistency Group................................................................ 34 Chapter 2 Getting Started Prerequisites ............................................................................................ 36 Running ResourcePak Base (EMCSCF).............................................. 36 Software interoperability considerations ............................................ 36 Running TimeFinder (EMCSNAP) ............................................................ 37 TimeFinder and protection sessions ......................................................... 38 TimeFinder Vary processing exit............................................................... 40 Parameters......................................................................................... 40 Return codes ...................................................................................... 40 Register contents ............................................................................... 41 Chapter 3 Configuration TimeFinder configuration layers ............................................................... 44 Configuration Layer 1: EMCSNAPO site options................................. 44 Configuration Layer 2: GLOBAL command parameters....................... 44 Configuration Layer 3: Parameters on other commands ..................... 45 Editing the EMCSNAPO macro ................................................................ 46 EMCSNAPO site options.......................................................................... 47 Summary ............................................................................................ 47 ACT_SCF_GATEKEEPER................................................................... 54 TimeFinder/Clone Mainframe Snap Facility 8.0 and Higher Product Guide 3 Contents ACTIVATE_SUBTASK# ...................................................................... 54 ADMIN................................................................................................ 55 ALLOFAIL ........................................................................................... 55 ALLOSEQ ........................................................................................... 55 ALLOUNIT .......................................................................................... 55 ALLOW_CANCEL_LOCKED ............................................................... 55 ALLOW_FBA_META .......................................................................... 56 ALLOW_LIGHTNING_DEVICE ........................................................... 56 ALLOW_SYMDEV# ............................................................................ 56 ALUNUSED ........................................................................................ 56 AUTOACTIVATE................................................................................. 56 AUTO_BIND_TDEV ............................................................................ 57 AUTOCLN .......................................................................................... 57 AUTODEAL......................................................................................... 57 AUTORLSE......................................................................................... 57 AUTO_UNBIND_TDEV ....................................................................... 57 AUTOXPND........................................................................................ 57 BACKGRND........................................................................................ 57 BCVONLY........................................................................................... 58 CACHESYM........................................................................................ 58 CATALOG........................................................................................... 58 CHECKBCV ........................................................................................ 58 CHKONLIN ......................................................................................... 58 CLEAN_R2 ......................................................................................... 58 CLEANDIFF ........................................................................................ 58 CMPLT............................................................................................... 59 CMPLTMSG....................................................................................... 59 COLLAPSE ......................................................................................... 59 COMPACT_MISMATCH .................................................................... 59 CONDVOL .......................................................................................... 59 CONGROUP....................................................................................... 60 CONGROUP_LDMF ........................................................................... 60 CONSALL........................................................................................... 61 CONSIST............................................................................................ 61 CONSVOL .......................................................................................... 61 COPYCYL ........................................................................................... 62 COPYFAIL .......................................................................................... 62 COPYVOL........................................................................................... 62 CSMSDATA........................................................................................ 62 CSMSMGMT...................................................................................... 62 CSMSSTOR ....................................................................................... 62 DATACLAS ......................................................................................... 63 DATAMOVR ....................................................................................... 63 DS1DSCHA ......................................................................................... 63 DEALLOC ........................................................................................... 63 DEBUG_ERROR................................................................................