IBM DS6000 User Manual

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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

Bertrand Dufrasne

Stephen Baird

Werner Bauer

Denise Brown

Jana Jamsek

Wenzel Kalabza

Peter Klee

Markus Oscheka

Ying Thia

Robert Tondini

Table of contents

Document Outline

Front cover
Contents
Notices
- Trademarks
Preface
- The team that wrote this redbook
- Acknowledgements
- Become a published author
- Comments welcome
Summary of changes
- December 2006, Third Edition
Part 1 Overview
Chapter 1. Introduction
- 1.1 Introduction to Copy Services
Chapter 2. Copy Services architecture
- 2.1 Introduction to the Copy Services structure
- 2.2 How the new structure of Copy Services works
  - 2.2.1 Remote Mirror and Copy between Storage Complexes
  - 2.2.2 Differences between the DS CLI and the DS GUI
- 2.3 System z communication path for Copy Services
Part 2 Interfaces
Chapter 3. DS Storage Manager
- 3.1 System and hardware requirements
  - 3.1.1 Supported operating systems
- 3.2 Installation modes
- 3.3 Connecting to your DS6000 SMC
- 3.4 Accessing the Information Center
- 3.5 Managing the Storage Complex
  - 3.5.1 Procedure to add a Storage Complex
Chapter 4. DS Command-Line Interface
- 4.1 Introduction and functionality
- 4.2 Supported operating systems for the DS CLI
- 4.3 User accounts
- 4.4 DS CLI profile
- 4.5 Command structure
- 4.6 Copy Services commands
- 4.7 Using the DS CLI application
- 4.8 Return codes
- 4.9 User assistance
- 4.10 Usage examples
Chapter 5. System z interfaces
- 5.1 System z interfaces
  - 5.1.1 Operating system alternatives
- 5.2 TSO
- 5.3 ICKDSF
- 5.4 DFSMSdss
- 5.5 The ANTRQST macro
- 5.6 z/TPF commands
Part 3 FlashCopy
Chapter 6. FlashCopy overview
- 6.1 Operational environments
- 6.2 Terminology
- 6.3 Basic concepts
  - 6.3.1 Full volume copy
  - 6.3.2 Nocopy option
- 6.4 FlashCopy in combination with other Copy Services
- 6.5 FlashCopy for z/OS data sets
Chapter 7. FlashCopy options
- 7.1 Multiple relationship FlashCopy
- 7.2 Consistency Group FlashCopy
- 7.3 FlashCopy target as a Metro Mirror or Global Copy primary
- 7.4 Incremental FlashCopy - refresh target volume
- 7.5 Remote FlashCopy
- 7.6 Persistent FlashCopy
- 7.7 Data set FlashCopy
- 7.8 Reverse restore
- 7.9 Fast reverse restore
- 7.10 Options and interfaces
Chapter 8. FlashCopy ordering and activation
- 8.1 Ordering FlashCopy
- 8.2 Activating FlashCopy
  - 8.2.1 Management
  - 8.2.2 Activation
Chapter 9. FlashCopy interfaces
- 9.1 FlashCopy interfaces - overview
- 9.2 DS CLI and DS SM - commands and options
  - 9.2.1 Local FlashCopy management
  - 9.2.2 Remote FlashCopy management
- 9.3 z/OS-provided interfaces
- 9.4 Local FlashCopy using the DS CLI
- 9.5 Remote FlashCopy using the DS CLI
  - 9.5.1 Remote FlashCopy commands
  - 9.5.2 Parameters used in remote FlashCopy commands
- 9.6 FlashCopy management using the DS SM
- 9.7 z/OS interfaces for local FlashCopy
  - 9.7.1 Initiating FlashCopy using DFSMSdss
  - 9.7.2 FlashCopy using TSO commands
Chapter 10. FlashCopy performance
- 10.1 FlashCopy performance overview
- 10.2 FlashCopy establish phase performance
- 10.3 Background copy performance
- 10.4 FlashCopy impact on applications
- 10.5 FlashCopy options - considerations
- 10.6 FlashCopy scenarios
Chapter 11. FlashCopy examples
- 11.1 Create a test system or integration system
  - 11.1.1 One-time test system
  - 11.1.2 Multiple setup of a test system with same contents
- 11.2 Create a backup
Part 4 Metro Mirror
Chapter 12. Metro Mirror overview
- 12.1 Metro Mirror overview
- 12.2 Metro Mirror volume state
- 12.3 Data consistency
- 12.4 Rolling disaster
- 12.5 Automation and management
Chapter 13. Metro Mirror options and configuration
- 13.1 High availability solutions
  - 13.1.1 GDPS HyperSwap Manager
  - 13.1.2 Open systems - Clustering
- 13.2 Failover and failback
- 13.3 Consistency Group function
- 13.4 Metro Mirror paths and links
  - 13.4.1 Fibre Channel links
  - 13.4.2 Logical paths
- 13.5 Bandwidth
- 13.6 LSS design
- 13.7 Distance
- 13.8 Symmetrical configuration
- 13.9 Volumes
- 13.10 Hardware requirements
Chapter 14. Metro Mirror interfaces
- 14.1 Metro Mirror interfaces - overview
- 14.2 TSO commands for Metro Mirror management
- 14.3 ICKDSF
- 14.4 DS Command-Line Interface
  - 14.4.1 DS CLI supported environments
- 14.5 DS CLI command- examples
- 14.6 DS Storage Manager GUI
- 14.7 ANTRQST API
Chapter 15. Metro Mirror performance and scalability
- 15.1 Performance
- 15.2 Scalability
Chapter 16. Metro Mirror examples
- 16.1 Resynchronization of suspended volume using TSO
- 16.2 Failover and failback using TSO
  - 16.2.1 Failover process
  - 16.2.2 Failback process
- 16.3 Open systems volumes with TSO commands
- 16.4 Define Metro Mirror path using ICKDSF
- 16.5 DS CLI freezepprc and unfreezepprc commands
Part 5 Global Copy
Chapter 17. Global Copy overview
- 17.1 Global Copy overview
- 17.2 Volume states and change logic
- 17.3 Global Copy positioning
Chapter 18. Global Copy options and configuration
- 18.1 Global Copy basic options
- 18.2 Catch-up transition
- 18.3 Create a consistent point-in-time copy
- 18.4 Cascading for ESS migration
- 18.5 Hardware requirements
- 18.6 DS6800 I/O ports
- 18.7 Global Copy connectivity
  - 18.7.1 Fibre Channel links
  - 18.7.2 Logical paths
- 18.8 Distance considerations
- 18.9 Other planning considerations
Chapter 19. Global Copy performance and scalability
- 19.1 Performance
  - 19.1.1 Peak bandwidth requirements
- 19.2 Scalability
  - 19.2.1 Addition of capacity
Chapter 20. Global Copy interfaces
- 20.1 Global Copy interfaces - overview
- 20.2 TSO commands for Global Copy management
- 20.3 ICKDSF utility for Global Copy management
- 20.4 DS Command-Line Interface (DS CLI)
  - 20.4.1 Define Global Copy paths
  - 20.4.2 Manage Global Copy pairs
- 20.5 DS Storage Manager
  - 20.5.1 Paths panel
  - 20.5.2 Metro Mirror panel
Chapter 21. Global Copy examples
- 21.1 Define and manage Global Copy pairs using TSO
- 21.2 Global Copy for migration using the DS CLI
  - 21.2.1 Migration procedure steps
  - 21.2.2 Cascading alternative
Chapter 22. Global Mirror overview
- 22.1 Synchronous and non synchronous data replication
  - 22.1.1 Synchronous data replication and dependent writes
  - 22.1.2 Asynchronous data replication and dependent writes
- 22.2 Basic concepts of Global Mirror
- 22.3 Set up a Global Mirror session
- 22.4 Consistency Groups
  - 22.4.1 Consistency Group formation
  - 22.4.2 Consistency Group parameters
Part 6 Global Mirror
Chapter 23. Global Mirror options and configuration
- 23.1 Terminology used in Global Mirror environments
- 23.2 Create a Global Mirror environment
- 23.3 Modify a Global Mirror session
- 23.4 Remove a Global Mirror environment
- 23.5 Global Mirror with multiple storage disk subsystems
- 23.6 Connectivity between local and remote site
  - 23.6.1 Multi-site host connectivity
  - 23.6.2 Single site host connectivity
- 23.7 Recovery scenario after primary site failure
Chapter 24. Global Mirror interfaces
- 24.1 Global Mirror interfaces - overview
- 24.2 Different interfaces for the same function
- 24.3 Global Mirror management using TSO commands
- 24.4 DS CLI to manage Global Mirror volumes in z/OS
- 24.5 Global Mirror management using ICKDSF
- 24.6 ANTRQST macro
- 24.7 DS Storage Manager GUI
  - 24.7.1 View Global Mirror volumes in session
  - 24.7.2 Pause and resume Global Mirror
Chapter 25. Global Mirror performance and scalability
- 25.1 Performance aspects for Global Mirror
- 25.2 Performance considerations at coordination time
- 25.3 Consistency Group transmission
- 25.4 Remote storage disk subsystem configuration
- 25.5 Growth within Global Mirror configurations
Chapter 26. Global Mirror examples
- 26.1 Global Mirror examples - configuration
- 26.2 Global Mirror query examples with TSO
- 26.3 Set up the Global Mirror environment using TSO
- 26.4 Primary site failure and recovery management with TSO
- 26.5 Remove Global Mirror environment using TSO
- 26.6 Planned outage management using ICKDSF
- 26.7 Remove a Global Mirror environment using ICKDSF
- 26.8 Query device information with ICKDSF
- 26.9 Set up a Global Mirror environment using DS SM
- 26.10 Set up a Global Mirror environment using the DS CLI
- 26.11 Control and Query Global Mirror with the DS CLI
- 26.12 Site switch basic operations using the DS CLI
- 26.13 Remove the Global Mirror environment with the DS CLI
Part 7 Interoperability
Chapter 27. Combining Copy Service functions
- 27.1 Data migration
Chapter 28. Interoperability between DS6000 and DS8000
- 28.1 DS6000 and DS8000 Copy Services interoperability
- 28.2 Preparing the environment
- 28.3 RMC: Establishing paths between DS6000 and DS8000
- 28.4 Managing Metro Mirror or Global Copy pairs
- 28.5 Managing DS6000 to DS8000 Global Mirror
  - 28.5.1 Managing Global Mirror pairs using DS CLI
- 28.6 Managing DS6000 and DS8000 FlashCopy
  - 28.6.1 Creating a remote FlashCopy on an DS6000 using DS CLI
- 28.7 z/OS Global Mirror
Part 8 Solutions
Chapter 29. Interoperability between DS6000 and ESS 800
- 29.1 DS6000 and ESS 800 Copy Services interoperability
- 29.2 Preparing the environment
- 29.3 RMC: Establishing paths between DS6000 and ESS 800
- 29.4 Managing Metro Mirror or Global Copy pairs
- 29.5 Managing ESS 800 Global Mirror
  - 29.5.1 Managing Global Mirror pairs using the DS CLI
- 29.6 Managing ESS 800 FlashCopy
Chapter 30. IIBM TotalStorage Rapid Data Recovery
- 30.1 Introduction
  - 30.1.1 Solution highlights
- 30.2 Overview
- 30.3 Architecture
- 30.4 Additional information
Chapter 31. IBM TotalStorage Productivity Center for Replication
- 31.1 IBM TotalStorage Productivity Center
- 31.2 Where we are coming from
- 31.3 What TPC for Replication provides
- 31.4 Copy Services terminology
- 31.5 TPC for Replication terminology
  - 31.5.1 TPC for Replication Copy Set
  - 31.5.2 TPC for Replication session
- 31.6 TPC for Replication session types
  - 31.6.1 TPC for Replication Basic Edition
  - 31.6.2 TPC for Replication Advanced Edition
- 31.7 TPC for Replication session states
- 31.8 Volumes in a copy set
- 31.9 TPC for Replication and scalability
- 31.10 TPC for Replication system and connectivity overview
- 31.11 TPC for Replication monitoring and freeze capability
- 31.12 TPC for Replication heartbeat
- 31.13 Supported platforms
- 31.14 Hardware requirements for TPC for Replication servers
- 31.15 TPC for Replication GUI
- 31.16 Command Line Interface to TPC for Replication
Chapter 32. GDPS overview
- 32.1 GDPS solution offerings
Appendix A. Concurrent Copy
- Concurrent Copy
Appendix B. SNMP notifications
- SNMP overview
- Physical connection events
- Remote copy events
- Global Mirror related events
Appendix C. Licensing
- Licenses
- Authorized level
  - Charging example
Appendix D. CLI migration
- Migrating ESS CLI to DS CLI
  - Reviewing the ESS tasks to migrate
  - Convert the individual tasks
Related publications
- IBM Redbooks
- Other publications
- Online resources
- How to get IBM Redbooks
- Help from IBM
Index
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