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by Marie-France Narbey, John Thompson, Sim Schindel, David Clitherow
IBM GDPS Family: An introduction to Concepts and Capabilities
Front cover
Notices
Trademarks
Preface
Authors
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Summary of changes
March 2017, Thirteenth Edition
June 2016, Twelfth Edition
June 2015, Eleventh Edition
August 2014, Update to Tenth Edition
October 2013, Update to Ninth Edition
March 2013, Ninth Edition
July 2012, Eighth Edition
June 2011, Seventh Edition
August 2010, Sixth Edition
September 2009, Fifth Edition
September 2008, Fourth Edition
March 2007, Third Edition
December 2005, Second Edition
Chapter 1. Introduction to business resilience and the role of GDPS
1.1 Objective
1.2 Layout of this book
1.3 IT resilience
1.3.1 Disaster recovery
1.3.2 The next level
1.3.3 Other considerations
1.4 Characteristics of an IT resilience solution
1.5 GDPS offerings
1.6 Automation and disk replication compatibility
1.7 Summary
Chapter 2. Infrastructure planning for availability and GDPS
2.1 Parallel Sysplex overview
2.1.1 Maximizing application availability
2.1.2 Multisite sysplex considerations
2.2 Data consistency
2.2.1 Dependent write logic
2.3 Synchronous versus asynchronous data transfer
2.4 Data replication technologies
2.4.1 PPRC (IBM Metro Mirror)
2.4.2 XRC (z/OS Global Mirror)
2.4.3 Global Mirror
2.4.4 Combining disk remote copy technologies for CA and DR
2.4.5 IBM software replication products
2.5 Tape resident data
2.6 FlashCopy
2.7 Automation
2.7.1 Recovery time objective
2.7.2 Operational consistency
2.7.3 Skills impact
2.7.4 Summary
2.8 Flexible server capacity
2.8.1 Capacity Backup upgrade
2.8.2 On/Off Capacity on Demand
2.8.3 GDPS CBU and On/Off CoD handling
2.9 Cross-site connectivity considerations
2.9.1 Server-to-disk links
2.9.2 Data replication links
2.9.3 Coupling links
2.9.4 Server Time Protocol
2.9.5 XCF signaling
2.9.6 HMC and consoles
2.9.7 Connectivity options
2.9.8 Single points of failure
2.10 Testing considerations
2.11 Summary
Chapter 3. GDPS/PPRC
3.1 Introduction to GDPS/PPRC
3.1.1 Protecting data integrity and data availability with GDPS/PPRC
3.1.2 Protecting tape data
3.1.3 Protecting distributed (FB) data
3.1.4 Protecting other CKD data
3.2 GDPS/PPRC configurations
3.2.1 Controlling system
3.2.2 Single-site workload configuration
3.2.3 Multisite workload configuration
3.2.4 Business Recovery Services (BRS) configuration
3.2.5 GDPS/PPRC in a 3-site or 4-site configuration
3.2.6 GDPS/PPRC in a single site
3.2.7 Other considerations
3.3 GDPS/PPRC management of distributed systems and data
3.3.1 Multiplatform Resiliency for z Systems (also known as xDR)
3.3.2 Distributed Cluster Management
3.3.3 IBM zEnterprise BladeCenter Extension (zBX) hardware management
3.4 Management of z/OS systems outside of the GDPS sysplex
3.4.1 z/OS Proxy disk and disk subsystem sharing
3.5 Managing the GDPS/PPRC environment
3.5.1 NetView interface
3.5.2 GDPS scripts
3.5.3 System Management actions
3.6 GDPS/PPRC monitoring and alerting
3.6.1 GDPS/PPRC health checks
3.7 Other facilities related to GDPS
3.7.1 HyperSwap coexistence
3.7.2 Reduced impact initial copy and resynchronization
3.7.3 Reserve Storage Pool
3.7.4 Query Services
3.7.5 Concurrent Copy cleanup
3.8 GDPS/PPRC flexible testing and resync protection
3.8.1 Use of space-efficient FlashCopy volumes
3.9 GDPS tools for GDPS/PPRC
3.10 GDPS/PPRC co-operation with GDPS/Active-Active
3.11 Services component
3.12 GDPS/PPRC prerequisites
3.13 Comparison of GDPS/PPRC versus other GDPS offerings
3.14 Summary
Chapter 4. GDPS/PPRC HyperSwap Manager
4.1 Introduction to GDPS/PPRC HM
4.1.1 Protecting data integrity and data availability with GDPS/PPRC HM
4.1.2 Protecting distributed (FB) data
4.1.3 Protecting other CKD data
4.2 GDPS/PPRC HM configurations
4.2.1 Controlling system
4.2.2 GDPS/PPRC HM in a single site
4.2.3 GDPS/PPRC HM in a 2-site configuration
4.2.4 GDPS/PPRC HM in a 3-site configuration
4.2.5 Other important considerations
4.3 Managing the GDPS/PPRC HM environment
4.3.1 NetView interface
4.3.2 NetView commands
4.4 GDPS/PPRC HM monitoring and alerting
4.4.1 GDPS/PPRC HM health checks
4.5 Other facilities related to GDPS
4.5.1 HyperSwap coexistence
4.5.2 GDPS/PPRC HM reduced impact initial copy and resynchronization
4.5.3 Reserve Storage Pool
4.5.4 GDPS/PPRC HM Query Services
4.5.5 Concurrent Copy cleanup
4.6 GDPS/PPRC HM flexible testing and resync protection
4.6.1 Use of space-efficient FlashCopy volumes
4.7 GDPS tools for GDPS/PPRC HM
4.8 Services component
4.9 GDPS/PPRC HM prerequisites
4.10 Comparison of GDPS/PPRC HM to other GDPS offerings
4.11 Summary
Chapter 5. GDPS/XRC
5.1 Introduction to GDPS/XRC
5.1.1 Protecting data integrity
5.2 GDPS/XRC configuration
5.2.1 GDPS/XRC in a 3-site configuration
5.3 GDPS/XRC management of distributed systems and data
5.4 Managing the GDPS environment
5.4.1 NetView interface
5.4.2 GDPS scripts
5.4.3 System management actions
5.5 GDPS/XRC monitoring and alerting
5.5.1 GDPS/XRC health checks
5.6 Other facilities related to GDPS
5.6.1 FlashCopy disk definition in the GDPS systems
5.6.2 GDPS/XRC FlashCopy locking
5.6.3 GDPS/XRC Configuration checking
5.6.4 Vary-After-Clip automation
5.6.5 GDPS use of the XRC offline volume support
5.6.6 Query Services
5.6.7 Easy Tier Heat Map Transfer
5.7 Flexible testing
5.8 GDPS tools for GDPS/XRC
5.9 Services component
5.10 GDPS/XRC prerequisites
5.11 Comparison of GDPS/XRC versus other GDPS offerings
5.12 Summary
Chapter 6. GDPS/Global Mirror
6.1 Introduction to GDPS/Global Mirror
6.1.1 Protecting data integrity
6.2 GDPS/Global Mirror configuration
6.2.1 GDPS/GM in a 3-site or 4-site configuration
6.2.2 Other considerations
6.3 GDPS/GM management for distributed systems and data
6.4 Managing the GDPS environment
6.4.1 NetView panel interface
6.4.2 System Management actions
6.5 GDPS/GM monitoring and alerting
6.5.1 GDPS/GM health checks
6.6 Other facilities related to GDPS
6.6.1 GDPS/GM Copy Once facility
6.6.2 GDPS/GM Query Services
6.6.3 Global Mirror Monitor integration
6.6.4 Easy Tier Heat Map Transfer
6.7 Flexible testing
6.7.1 Use of space-efficient FlashCopy
6.7.2 Creating a test copy using GM CGPause and testing on isolated disks
6.8 GDPS tools for GDPS/GM
6.9 Services component
6.10 GDPS/GM prerequisites
6.11 Comparison of GDPS/GM versus other GDPS offerings
6.12 Summary
Chapter 7. GDPS/MTMM
7.1 Introduction to GDPS/MTMM
7.1.1 Protecting data integrity and data availability with GDPS/MTMM
7.1.2 Protecting other CKD data
7.2 GDPS/MTMM configurations
7.2.1 Controlling system
7.2.2 Single-site workload configuration
7.2.3 Multisite workload configuration
7.2.4 Business Recovery Services (BRS) configuration
7.2.5 Combining GDPS/MTMM with GDPS/XRC
7.2.6 Combining GDPS/MTMM with GDPS/GM in a 4-site configuration
7.2.7 Other considerations
7.3 Multiplatform Resiliency for System z (also known as xDR)
7.4 Managing the GDPS environment
7.4.1 NetView interface
7.4.2 GDPS scripts
7.4.3 System Management actions
7.5 GDPS/MTMM monitoring and alerting
7.5.1 GDPS/MTMM health checks
7.6 Other facilities related to GDPS
7.6.1 HyperSwap and TDMF coexistence
7.6.2 Reduced impact initial copy and resynchronization
7.6.3 Concurrent Copy cleanup
7.6.4 Easy Tier Heat Map Transfer
7.7 GDPS/MTMM flexible testing and resync protection
7.7.1 Use of space-efficient FlashCopy volumes
7.8 GDPS tools for GDPS/MTMM
7.9 Services component
7.10 GDPS/MTMM prerequisites
7.11 Comparison of GDPS/MTMM versus other GDPS offerings
7.12 Summary
Chapter 8. GDPS/Active-Active solution
8.1 Overview of GDPS/Active-Active
8.1.1 Positioning GDPS/Active-Active
8.1.2 GDPS/Active-Active sites concept
8.2 GDPS/Active-Active solution products
8.2.1 The GDPS/Active-Active product
8.2.2 Tivoli NetView for z/OS
8.2.3 IBM Tivoli Monitoring
8.2.4 System Automation for z/OS
8.2.5 IBM Multi-site Workload Lifeline for z/OS
8.2.6 Middleware
8.2.7 Replication software
8.2.8 Other optional components
8.3 GDPS/Active-Active environment
8.3.1 GDPS/Active-Active: A closer look
8.3.2 Considerations for other non-Active-Active workloads
8.4 GDPS/Active-Active functions and features
8.4.1 GDPS/Active-Active web interface
8.4.2 GDPS/Active-Active monitoring and alerting
8.4.3 GDPS/Active-Active scripts
8.4.4 GDPS/Active-Active Query Services
8.5 GDPS/Active-Active co-operation with GDPS/PPRC or GDPS/MTMM
8.6 GDPS/Active-Active disk replication integration
8.7 Zero Data Loss Configuration
8.8 Flexible testing with GDPS/Active-Active
8.9 GDPS/Active-Active services
8.10 GDPS/Active-Active prerequisites
8.11 GDPS/Active-Active comparison to other GDPS offerings
8.12 Summary
Chapter 9. GDPS Virtual Appliance
9.1 Introduction to the GDPS Virtual Appliance
9.2 GDPS Virtual Appliance configuration components
9.2.1 GDPS Virtual Appliance
9.2.2 Multiplatform Resiliency for z Systems
9.3 Protecting data integrity and data availability with the GDPS Virtual Appliance
9.3.1 GDPS Freeze function for mirroring failures
9.3.2 GDPS HyperSwap function
9.3.3 GDPS use of DS8000 functions
9.3.4 Protecting secondary disks from accidental update
9.4 Managing the GDPS environment
9.4.1 GDPS graphic user interface
9.4.2 GDPS scripts
9.4.3 System Management actions
9.5 GDPS monitoring and alerting
9.6 Services component
9.7 GDPS Virtual Appliance prerequisites
9.8 GDPS Virtual Appliance compared to other GDPS offerings
9.9 Summary
Chapter 10. GDPS extensions for heterogeneous systems and data
10.1 Open LUN Management function
10.2 GDPS/PPRC Multiplatform Resiliency for z Systems
10.2.1 Guest Linux under z/VM
10.2.2 Native Linux on z Systems
10.2.3 Support for two GDPS Controlling systems
10.2.4 Customization Verification Program
10.2.5 xDR Extended Monitoring
10.3 Distributed Cluster Management
10.3.1 Distributed Cluster Management terminology
10.3.2 DCM support for VCS
10.3.3 DCM support for SA AppMan
10.3.4 GDPS/PPRC Support for IBM zEnterprise BladeCenter Extension (zBX)
10.3.5 Summary
Chapter 11. Combining local and metro continuous availability with out-of-region disaster recovery
11.1 Introduction
11.2 Design considerations
11.2.1 Three-copy solutions versus 3-site solutions
11.2.2 Multi-target and cascading topologies
11.2.3 Four-copy solutions
11.2.4 Cost considerations
11.2.5 Operational considerations
11.3 GDPS Metro/Global Mirror 3-site solution
11.3.1 GDPS/MGM 3-site overview
11.3.2 GDPS/MGM Site1 failures
11.3.3 GDPS/MGM Site2 failures
11.3.4 GDPS/MGM region switch and return home
11.3.5 Scalability in a GDPS/MGM 3-site environment
11.3.6 Other considerations in a GDPS/MGM 3-site environment
11.3.7 Managing the GDPS/MGM 3-site environment
11.3.8 Flexible testing in a GDPS/MGM 3-site environment
11.3.9 GDPS Query Services in a GDPS/MGM 3-site environment
11.3.10 Prerequisites for GDPS/MGM 3-site
11.3.11 GDPS/Active-Active disk replication integration with GDPS/MGM
11.4 GDPS Metro/Global Mirror 4-site solution
11.4.1 Benefits of a GDPS/MGM 4-site configuration
11.5 GDPS Metro z/OS Global Mirror 3-site solution
11.5.1 GDPS/MzGM overview
11.5.2 GDPS/MzGM Site1 failures
11.5.3 GDPS/MzGM Site2 failures
11.5.4 GDPS/MzGM region switch and return home
11.5.5 Management of the GDPS/MzGM environment
11.5.6 Flexible testing of the GDPS/MzGM environment
11.5.7 Prerequisites for GDPS/MzGM
11.6 GDPS Metro z/OS Global Mirror 4-site solution
11.6.1 Benefits of a GDPS/MzGM 4-site configuration
Chapter 12. Sample continuous availability and disaster recovery scenarios
12.1 Introduction
12.2 Continuous availability in a single data center
12.3 DR across two data centers at metro distance
12.4 DR and CA across two data centers at metro distance
12.4.1 Active/active workload
12.5 DR and CA across two data centers at metro distance for z/VM and Linux on z Systems only
12.6 Local CA and remote DR across two data centers at long metropolitan distance
12.7 DR in two data centers, global distance
12.8 Other configurations
Glossary
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IBM GDPS Family: An Introduction to Concepts and Capabilities
Back cover
Acrobat bookmark
ISBN 0738442534
SG24-6374-12
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