Book description
This IBM® Redbooks® publication describes the concepts, architecture, and implementation of the IBM DS8870. The book provides reference information to assist readers who need to plan for, install, and configure the DS8870.
The IBM DS8870 is the most advanced model in the IBM DS8000® series and is equipped with IBM POWER7+™ based controllers. Various configuration options are available that scale from dual 2-core systems up to dual 16-core systems with up to 1 TB of cache. The DS8870 also features enhanced 8 Gbps device adapters and host adapters. Connectivity options, with up to 128 Fibre Channel/IBM FICON® ports for host connections, make the DS8870 suitable for multiple server environments in open systems and IBM System z® environments.
The DS8870 supports advanced disaster recovery solutions, business continuity solutions, and thin provisioning. All disk drives in the DS8870 storage system have the Full Disk Encryption (FDE) feature. The DS8870 also can be integrated in a Lightweight Directory Access Protocol (LDAP) infrastructure. The DS8870 features high-density storage enclosures and can be equipped with flash drives. An all-flash drive configuration is also available.
The DS8870 can automatically optimize the use of each storage tier, particularly flash drives, through the IBM Easy Tier® feature, which is available at no extra charge. Easy Tier is covered in separate publications: IBM DS8000 Easy Tier Concepts and Usage, REDP-4667; IBM System Storage DS8000 Easy Tier Server, REDP-5013; IBM System Storage DS8000 Easy Tier Application, REDP-5014; and IBM System Storage DS8000 Easy Tier Heat Map Transfer, REDP-5015.
Table of contents
- Front cover
- Notices
- Preface
-
Part 1 Concepts and architecture
-
Chapter 1. Introduction to the IBM DS8870
- 1.1 Introduction to the DS8870
- 1.2 DS8870 controller options and frames
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1.3 DS8870 architecture and functions overview
- 1.3.1 Overall architecture and components
- 1.3.2 Storage capacity
- 1.3.3 Supported environments
- 1.3.4 Configuration flexibility
- 1.3.5 Copy Services functions
- 1.3.6 Resource Groups for copy services scope limiting
- 1.3.7 Service and setup
- 1.3.8 IBM certified secure data overwrite
- 1.3.9 Performance features
- 1.3.10 Sophisticated caching algorithms
- 1.3.11 Flash drives
- 1.3.12 Multipath Subsystem Device Driver
- 1.3.13 Performance for System z
- 1.3.14 Performance enhancements for IBM Power Systems
- Chapter 2. IBM DS8870 models
- Chapter 3. DS8870 hardware components and architecture
- Chapter 4. RAS on the IBM DS8870
- Chapter 5. Virtualization concepts
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Chapter 6. IBM DS8000 Copy Services overview
- 6.1 Copy Services
- 6.2 FlashCopy and FlashCopy Space Efficient
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6.3 Remote Mirror and Copy
- 6.3.1 Metro Mirror
- 6.3.2 Global Copy
- 6.3.3 Global Mirror
- 6.3.4 Metro/Global Mirror
- 6.3.5 Multiple Global Mirror sessions
- 6.3.6 Thin provisioning enhancements on open environments
- 6.3.7 GM and MGM improvement because of collision avoidance
- 6.3.8 z/OS Global Mirror
- 6.3.9 z/OS Metro/Global Mirror
- 6.3.10 Summary of Remote Mirror and Copy function characteristics
- 6.3.11 Consistency group considerations
- 6.3.12 GDPS on z/OS environments
- 6.3.13 Tivoli Storage Productivity Center for Replication functionality
- 6.4 Resource Groups for Copy Services
-
Chapter 7. Architectured for performance
- 7.1 DS8870 hardware: Performance characteristics
- 7.2 Software performance: Synergy items
- 7.3 Performance considerations for disk drives
- 7.4 DS8000 superior caching algorithms
- 7.5 Performance considerations for logical configuration
- 7.6 I/O Priority Manager
- 7.7 IBM Easy Tier
- 7.8 Performance and sizing considerations for open systems
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7.9 Performance and sizing considerations for System z
- 7.9.1 Host connections to System z servers
- 7.9.2 Parallel access volume
- 7.9.3 z/OS Workload Manager: Dynamic PAV tuning
- 7.9.4 HyperPAV
- 7.9.5 PAV in z/VM environments
- 7.9.6 Multiple Allegiance
- 7.9.7 I/O priority queuing
- 7.9.8 Performance considerations on Extended Distance FICON
- 7.9.9 High Performance FICON for z
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Chapter 1. Introduction to the IBM DS8870
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Part 2 Planning and installation
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Chapter 8. DS8870 physical planning and installation
- 8.1 Considerations before installation
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8.2 Planning for the physical installation
- 8.2.1 Delivery and staging area
- 8.2.2 Floor type and loading
- 8.2.3 Overhead cabling features
- 8.2.4 Room space and service clearance
- 8.2.5 Power requirements and operating environment
- 8.2.6 Host interface and cables
- 8.2.7 Host adapter Fibre Channel specifics for open environments
- 8.2.8 FICON specifics on z/OS environment
- 8.2.9 Best practice for host adapters
- 8.2.10 WWNN and WWPN determination
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8.3 Network connectivity planning
- 8.3.1 Hardware Management Console and network access
- 8.3.2 IBM Tivoli Storage Productivity Center
- 8.3.3 DS command-line interface
- 8.3.4 Remote support connection
- 8.3.5 Remote power control
- 8.3.6 Storage area network connection
- 8.3.7 IBM Security Key Lifecycle Manager server for encryption
- 8.3.8 Lightweight Directory Access Protocol server for single sign-on
- 8.4 Remote Mirror and Copy connectivity
- 8.5 Disk capacity considerations
- Chapter 9. DS8870 HMC planning and setup
- Chapter 10. IBM System Storage DS8000 features and licensed functions
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Chapter 8. DS8870 physical planning and installation
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Part 3 Storage configuration
- Chapter 11. Configuration flow
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Chapter 12. Configuration by using the DS Storage Manager GUI
- 12.1 DS Storage Manager GUI overview
- 12.2 User management for the DS GUI
- 12.3 Logical configuration introduction
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12.4 Configuring DS8870 storage
- 12.4.1 Defining a storage complex
- 12.4.2 Creating arrays
- 12.4.3 Creating ranks
- 12.4.4 Creating extent pools
- 12.4.5 Configuring I/O ports
- 12.4.6 Configuring logical host systems
- 12.4.7 Creating fixed block volumes
- 12.4.8 Creating volume groups
- 12.4.9 Creating LCUs and CKD volumes
- 12.4.10 Additional tasks on LCUs and CKD volumes
- 12.5 Other DS GUl functions
- Chapter 13. Configuration with the DS command-line interface
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Part 4 Maintenance and upgrades
- Chapter 14. Licensed machine code
- Chapter 15. Monitoring with Simple Network Management Protocol
- Chapter 16. Remote support
- Chapter 17. DS8870 Capacity upgrades and Capacity on Demand
- Chapter 18. DS8800 to DS8870 model conversion
- Appendix A. Tools and service offerings
- Appendix B. Resiliency improvements
- Related publications
- Back cover
Product information
- Title: IBM DS8870 Architecture and Implementation
- Author(s):
- Release date: February 2014
- Publisher(s): IBM Redbooks
- ISBN: None
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