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by Alexander Warmuth, Sidney Varoni Jr., Marcelo Takakura, Eddie Lin, Robert Gensle
IBM DS8880 and IBM Z Synergy
Front cover
Notices
Trademarks
Preface
Authors
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Chapter 1. Introduction
1.1 IBM DS8000 storage system and IBM Z synergy
1.1.1 IBM Z server heritage
1.1.2 Disk storage system heritage
1.1.3 Connecting layer
1.1.4 Putting the pieces together: Synergy
1.1.5 Mainframe and storage end-to-end configuration model
1.2 Synergy items
1.2.1 Disaster recovery and high availability items
1.2.2 Data protection and backup
1.2.3 More information
Chapter 2. Disaster recovery and high availability
2.1 DS8880 Copy Services functions
2.1.1 Metro Mirror 2-site synchronous volume replication
2.1.2 Global Mirror 2-site asynchronous volume replication
2.1.3 z/OS Global Mirror 2-site asynchronous volume replication
2.1.4 Metro/Global Mirror 3-site solution
2.1.5 Multiple Target Peer-to-Peer Remote Copy 3-site solutions
2.1.6 Symmetrical HA/DR 4-site solutions
2.2 z/OS HyperSwap
2.3 Copy Services Manager and HyperSwap
2.3.1 HyperSwap to site H2
2.3.2 Returning to site H1
2.3.3 Summary
2.4 Geographically Dispersed Parallel Sysplex
2.4.1 GDPS and DS8000 synergy features
2.4.2 GDPS and DS8000 synergy summary
Chapter 3. Data protection and backup
3.1 FRBACKUP
3.1.1 Storage Management Subsystem construct Copy Pool to support FRBACKUP as input
3.1.2 Copy Pool Backup Storage Group for output to FRBACKUP
3.1.3 Combining Copy Pool and Copy Pool Backup Storage Group
3.1.4 The frbackup command
3.1.5 FRBACKUP software-based interaction
3.2 Using FlashCopy with Db2 and IMS
3.2.1 FlashCopy and DB2 for z/OS synergy
3.2.2 FlashCopy and IMS for z/OS synergy
Chapter 4. Management and configuration
4.1 Storage pool design considerations
4.1.1 Storage pool design considerations within z/OS
4.1.2 z/OS DFSMS class transition
4.1.3 DS8000 storage pools
4.1.4 Combining SMS storage groups and DS8000 extent pools
4.2 Extended address volume enhancements
4.2.1 Data set type dependencies on an EAV
4.2.2 z/OS prerequisites for EAV volumes
4.2.3 Identifying an EAV volume
4.2.4 EAV migration considerations
4.3 Dynamic volume expansion
4.4 Quick initialization
4.5 Volume formatting overwrite protection
4.6 Channel paths and a control-unit-initiated reconfiguration
4.7 CKD thin provisioning
4.7.1 Advantages
4.7.2 APARs
4.7.3 Space release
4.7.4 Overprovisioning controls
4.8 DSCLI on z/OS
Chapter 5. IBM Z and DS8880 performance
5.1 Parallel access volume, HyperPAV, and SuperPAV
5.1.1 Dynamic PAV tuning with z/OS Workload Manager
5.1.2 HyperPAV
5.1.3 RMF reporting on PAV
5.1.4 PAV and HyperPAV in z/VM environments
5.1.5 SuperPAV
5.2 Multiple allegiance
5.3 Modified Indirect Data Access Word facility
5.4 Caching algorithm that is optimized for IBM Z
5.5 High-Performance FICON for IBM Z
5.5.1 Db2 enhancements with zHPF
5.5.2 Extended Distance and Extended Distance II
5.5.3 Enhanced FICON Information Unit pacing
5.6 Easy Tier
5.6.1 Easy Tier Application
5.6.2 Heat Map Transfer
5.7 I/O priority queuing
5.8 I/O Priority Manager and WLM for z/OS integration
5.9 IBM zHyperWrite
5.9.1 zHyperWrite installation and enablement
5.9.2 zHyperWrite and IMS 15
5.10 DS8000 Copy Services performance considerations
5.10.1 FlashCopy and performance considerations
5.11 DS8000 storage system and z14 I/O enhancements
5.11.1 FICON Multihop
5.11.2 FICON Dynamic Routing
5.11.3 Forward Error Correction
5.11.4 Read Diagnostic Parameters for improved fault isolation
5.11.5 zHyperLink
5.12 IBM zEnterprise Data Compression
5.13 Transparent Cloud Tiering
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Note: Before using this information and the product it supports, read the information in “Notices” on page vii.
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