IBM DS8000 User Manual
IBM Hardware
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Front cover
The IBM TotalStorage
Storage
DS8000 Series:
s:
Concepts and Architecture
Architecture
Cathy Warrick
Olivier Alluis
Werner Bauer
Heinz Blaschek
Andre Fourie
Juan Antonio Garay
Torsten Knobloch
Donald C Laing
Christine O’Sullivan
Stu S Preacher
Torsten Rothenwaldt
Tetsuroh Sano
Jing Nan Tang
Anthony Vandewerdt
Alexander Warmuth
Roland Wolf
Advanced features and performance
breakthrough with POWER5 technology
Configuration flexibility with LPAR
and virtualization
Highly scalable solutions for
on demand storage
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Table of contents
Document Outline
- Front cover
- Contents
- Notices
- Preface
- Part 1 Introduction
- Chapter 1. Introduction to the DS8000 series
- Part 2 Architecture
- Chapter 2. Components
- Chapter 3. Storage system LPARs (Logical partitions)
- Chapter 4. RAS
- Chapter 5. Virtualization concepts
- Chapter 6. IBM TotalStorage DS8000 model overview and scalability
- Chapter 7. Copy Services
- Part 3 Planning and configuration
- Chapter 8. Installation planning
- Chapter 9. Configuration planning
- 9.1 Configuration planning overview
- 9.2 Storage Hardware Management Console (S-HMC)
- 9.3 DS8000 licensed functions
- 9.3.1 Operating environment license (OEL) - required feature
- 9.3.2 Point-in-Time Copy function (2244 Model PTC)
- 9.3.3 Remote Mirror and Copy functions (2244 Model RMC)
- 9.3.4 Remote Mirror for z/OS (2244 Model RMZ)
- 9.3.5 Parallel Access Volumes (2244 Model PAV)
- 9.3.6 Ordering licensed functions
- 9.3.7 Disk storage feature activation
- 9.3.8 Scenarios for managing licensing
- 9.4 Capacity planning
- 9.5 Data migration planning
- 9.6 Planning for performance
- Chapter 10. The DS Storage Manager - logical configuration
- 10.1 Configuration hierarchy, terminology, and concepts
- 10.2 Introducing the GUI and logical configuration panels
- 10.3 The logical configuration process
- 10.3.1 Configuring a storage complex
- 10.3.2 Configuring the storage unit
- 10.3.3 Configuring the logical host systems
- 10.3.4 Creating arrays from array sites
- 10.3.5 Creating extent pools
- 10.3.6 Creating FB volumes from extents
- 10.3.7 Creating volume groups
- 10.3.8 Assigning LUNs to the hosts
- 10.3.9 Deleting LUNs and recovering space in the extent pool
- 10.3.10 Creating CKD LCUs
- 10.3.11 Creating CKD volumes
- 10.3.12 Displaying the storage unit WWNN
- 10.4 Summary
- Chapter 11. DS CLI
- Chapter 12. Performance considerations
- 12.1 What is the challenge?
- 12.2 Where do we start?
- 12.3 How does the DS8000 address the challenge?
- 12.4 Performance and sizing considerations for open systems
- 12.4.1 Workload characteristics
- 12.4.2 Cache size considerations for open systems
- 12.4.3 Data placement in the DS8000
- 12.4.4 LVM striping
- 12.4.5 Determining the number of connections between the host and DS8000
- 12.4.6 Determining the number of paths to a LUN
- 12.4.7 Determining where to attach the host
- 12.5 Performance and sizing considerations for z/OS
- 12.6 Summary
- Part 4 Implementation and management in the z/OS environment
- Chapter 13. zSeries software enhancements
- 13.1 Software enhancements for the DS8000
- 13.2 z/OS enhancements
- 13.2.1 Scalability support
- 13.2.2 Large Volume Support (LVS)
- 13.2.3 Read availability mask support
- 13.2.4 Initial Program Load (IPL) enhancements
- 13.2.5 DS8000 definition to host software
- 13.2.6 Read control unit and device recognition for DS8000
- 13.2.7 New performance statistics
- 13.2.8 Resource Management Facility (RMF)
- 13.2.9 Migration considerations
- 13.2.10 Coexistence considerations
- 13.3 z/VM enhancements
- 13.4 z/VSE enhancements
- 13.5 TPF enhancements
- Chapter 14. Data migration in zSeries environments
- Part 5 Implementation and management in the open systems environment
- Chapter 15. Open systems support and software
- Chapter 16. Data migration in the open systems environment
- Appendix A. Open systems operating systems specifics
- Appendix B. Using DS8000 with iSeries
- Supported environment
- Logical volume sizes
- Protected versus unprotected volumes
- Adding volumes to iSeries configuration
- Multipath
- Avoiding single points of failure
- Configuring multipath
- Adding multipath volumes to iSeries using 5250 interface
- Adding volumes to iSeries using iSeries Navigator
- Managing multipath volumes using iSeries Navigator
- Multipath rules for multiple iSeries systems or partitions
- Changing from single path to multipath
- Sizing guidelines
- Migration
- Copy Services for iSeries
- AIX on IBM iSeries
- Linux on IBM iSeries
- Appendix C. Service and support offerings
- Related publications
- Index
- Back cover