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Front cover
IBM System Storage DS6000
Series: Copy Services with
IBM System z
Plan, install and configure DS6000
Copy Services with System z
Learn how to use the management
interfaces: TSO, DS CLI, DS GUI
Learn about TPC for replication
support
Gustavo Castets Wenzel Kalabza
Bertrand Dufrasne Peter Klee
Stephen Baird Markus Oscheka
Werner Bauer Ying Thia
Denise Brown Robert Tondini
Jana Jamsek
ibm.com/redbooks
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International Technical Support Organization IBM System Storage DS6000 Series: Copy Services with IBM System z December 2006 SG24-6782-02
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Note: Before using this information and the product it supports, read the information in “Notices” on page xv. Third Edition (December 2006) This edition applies to features, microcode, GUI and DS CLI as announced for the DS6000 in August 2006. © Copyright International Business Machines Corporation 2005, 2006. All rights reserved. Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
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Contents Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xv Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii The team that wrote this redbook. . . . . . . . . . . . . . . . . . . . .
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4.5 Command structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 4.6 Copy Services commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 4.7 Using the DS CLI application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 4.7.1 Single-shot mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
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9.2.1 Local FlashCopy management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 9.2.2 Remote FlashCopy management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 9.3 z/OS-provided interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 9.4 Local FlashCopy using the DS CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 9.4.1 Parameters used w
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Chapter 13. Metro Mirror options and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 133 13.1 High availability solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 13.1.1 GDPS HyperSwap Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 13.1.2 Open systems - Clustering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 13.2 Failover and failback . . .
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14.6 DS Storage Manager GUI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172 14.6.1 Define Metro Mirror paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172 14.6.2 Create Metro Mirror pairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 14.6.3 Resume suspended pair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179 14.7 ANTRQST API .
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19.1.1 Peak bandwidth requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 19.2 Scalability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 19.2.1 Addition of capacity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 Chapter 20. Global Copy interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 20.1 G
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23.3.1 Add or remove volumes to a Global Mirror session . . . . . . . . . . . . . . . . . . . . . 271 23.3.2 Add or remove storage disk subsystems or LSSs . . . . . . . . . . . . . . . . . . . . . . 272 23.3.3 Modify Global Mirror session parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272 23.3.4 Global Mirror environment topology changes . . . . . . . . . . . . . . . . . . . . . . . . . . 273 23.3.5 Remove a FlashCopy relationship . . . . . . . . . . . . . . . . . . .
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24.5.14 Delete Global Copy pairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327 24.5.15 Remove all paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327 24.6 ANTRQST macro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327 24.7 DS Storage Manager GUI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328 24.7.1 Vie
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26.7.5 Delete Global Copy pairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370 26.7.6 Remove Global Copy paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372 26.8 Query device information with ICKDSF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372 26.9 Set up a Global Mirror environment using DS SM . . . . . . . . . . . . . . . . . . . . . . . . . . 373 26.9.1 Create paths . . . . . . . . . .
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28.3.3 Establish logical paths between DS8000 and DS6000 using DS CLI. . . . . . . . 422 28.3.4 Path creation using TSO. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 424 28.4 Managing Metro Mirror or Global Copy pairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425 28.4.1 Managing Metro Mirror or Global Copy pairs with the DS GUI . . . . . . . . . . . . . 425 28.4.2 Managing Metro Mirror pairs using the DS CLI. . . . . . . . . . . . . . .
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31.4.1 FlashCopy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 470 31.4.2 Metro Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471 31.4.3 Global Copy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471 31.4.4 Global Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Production and performance considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 513 SMF information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 515 Examples of Concurrent Copy invocation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 515 Appendix B. SNMP notifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 519 SNMP overview . . . . . . . .
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Notices This information was developed for products and services offered in the U.S.A. IBM may not offer the products, services, or features discussed in this document in other countries. Consult your local IBM representative for information on the products and services currently available in your area. Any reference to an IBM product, program, or service is not intended to state or imply that only that IBM product, program, or service may be used. Any functionally equivalent product, progra
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Trademarks The following terms are trademarks of the International Business Machines Corporation in the United States, other countries, or both: AIX 5L™ Geographically Dispersed Parallel Redbooks™ AIX® Sysplex™ Redbooks (logo) ™ AS/400® GDPS® RMF™ CICS® HyperSwap™ S/390® DB2® HACMP™ System i™ DFSMSdfp™ IBM® System p™ DFSMSdss™ IMS™ System z™ DFSMShsm™ iSeries™ System Storage™ DFSMSrmm™ i5/OS® System Storage DS™ DS4000™ MVS™ Tivoli® DS6000™ NetView® TotalStorage® DS8000™ OS/390® VSE/ESA™ Enterp
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Preface This IBM Redbook will help you plan, install, and configure the IBM System Storage DS6000 Copy Services functions in System z™ environments, and provides the details you need to implement and manage these functions. The book includes hints and tips. This document is intended to help you either to design and set up a new Copy Services installation, or to migrate from an existing installation. It also addresses functionality and terminology differences from other IBM Copy Services prod
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include Copy Services solutions in Metro/Global Mirror and Incremental Re-synchronization for the DS8000. Denise holds a degree in Engineering Mathematics. Jana Jamsek is an IT Specialist with IBM Slovenia. She works in Storage Advanced Technical Support for Europe as a specialist for IBM Storage Systems and i5/OS® systems. Jana has eight years of experience in the System i™ and AS/400® areas, and six years of experience in Storage. She holds a Master’s degree in Computer Science and a degre