Document Outline

• Front cover
• Contents
• Notices
  • Trademarks
• Summary of changes
  • March 2005, First Edition
• Preface
  • The team that wrote this redbook
  • Become a published author
  • Comments welcome
• Part 1 Introduction
• Chapter 1. Introducing the IBM TotalStorage DS6000 series
  • 1.1 The DS6000 series, a member of the TotalStorage DS Family
    • 1.1.1 Infrastructure simplification
    • 1.1.2 Business continuity
    • 1.1.3 Information lifecycle management
  • 1.2 IBM TotalStorage DS6000 series unique benefits
    • 1.2.1 Hardware overview
    • 1.2.2 Storage capacity
    • 1.2.3 DS management console
    • 1.2.4 Supported environment
    • 1.2.5 Business continuance functions
    • 1.2.6 Resiliency
    • 1.2.7 Interoperability
    • 1.2.8 Service and setup
    • 1.2.9 Configuration flexibility
  • 1.3 Positioning the IBM TotalStorage DS6000 series
    • 1.3.1 Common set of functions
    • 1.3.2 Common management functions
    • 1.3.3 DS6000 series compared to other members of the TotalStorage DS Family
    • 1.3.4 Use with other virtualization products
  • 1.4 Performance
    • 1.4.1 Tagged Command Queuing
    • 1.4.2 Self-learning cache algorithms - SARC
    • 1.4.3 IBM multipathing software
    • 1.4.4 Performance for zSeries
• Part 2 Architecture
• Chapter 2. Components
  • 2.1 Server enclosure
  • 2.2 Expansion enclosure
  • 2.3 Controller architecture
    • 2.3.1 Server-based design
    • 2.3.2 Cache management
  • 2.4 Disk subsystem
  • 2.5 Server enclosure RAID controller card
    • 2.5.1 Technical details
    • 2.5.2 Device adapter ports
    • 2.5.3 Host adapter ports
    • 2.5.4 SFPs
  • 2.6 Expansion enclosure SBOD controller card
  • 2.7 Front panel
  • 2.8 Rear panel
  • 2.9 Power subsystem
    • 2.9.1 Battery backup units
  • 2.10 System service card
  • 2.11 Storage Manager console
  • 2.12 Cables
  • 2.13 Summary
• Chapter 3. RAS
  • 3.1 Controller RAS
    • 3.1.1 Failover and failback
    • 3.1.2 NVS recovery after complete power loss
    • 3.1.3 Metadata checks
  • 3.2 Host connection availability
    • 3.2.1 Open systems host connection
    • 3.2.2 zSeries host connection
  • 3.3 Disk subsystem RAS
    • 3.3.1 RAID-5 overview
    • 3.3.2 RAID-10 overview
    • 3.3.3 Spare creation
    • 3.3.4 Predictive Failure Analysis (PFA)
    • 3.3.5 Disk scrubbing
    • 3.3.6 Disk path redundancy
  • 3.4 Power subsystem RAS
  • 3.5 System service
    • 3.5.1 Example 1: Using light path indicators to replace a DDM
    • 3.5.2 Example 2: Using the GUI to replace a power supply
    • 3.5.3 System indicators
    • 3.5.4 Parts installation and repairs
  • 3.6 Microcode updates
  • 3.7 Summary
• Chapter 4. Virtualization concepts
  • 4.1 Virtualization definition
  • 4.2 The abstraction layers for disk virtualization
    • 4.2.1 Array sites
    • 4.2.2 Arrays
    • 4.2.3 Ranks
    • 4.2.4 Extent pools
    • 4.2.5 Logical volumes
    • 4.2.6 Logical subsystems (LSS)
    • 4.2.7 Address groups
    • 4.2.8 Volume access
    • 4.2.9 Summary of the virtualization hierarchy
    • 4.2.10 Placement of data
  • 4.3 Benefits of virtualization
• Chapter 5. IBM TotalStorage DS6000 model overview
  • 5.1 DS6000 highlights
    • 5.1.1 DS6800 Model 1750-511
    • 5.1.2 DS6000 Model 1750-EX1
  • 5.2 Designed to scale for capacity
• Chapter 6. Copy Services
  • 6.1 Introduction to Copy Services
  • 6.2 Copy Services functions
    • 6.2.1 Point-in-Time Copy (FlashCopy)
    • 6.2.2 FlashCopy options
    • 6.2.3 Remote Mirror and Copy (Peer-to-Peer Remote Copy)
    • 6.2.4 Comparison of the Remote Mirror and Copy functions
    • 6.2.5 What is Consistency Group?
  • 6.3 Interfaces for Copy Services
    • 6.3.1 DS Management Console
    • 6.3.2 DS Storage Manager Web-based interface
    • 6.3.3 DS Command-Line Interface (CLI)
    • 6.3.4 DS open application programming interface (API)
  • 6.4 Interoperability with ESS
  • 6.5 Future Plan
• Part 3 Planning and configuration
• Chapter 7. Installation planning
  • 7.1 General considerations
  • 7.2 Installation site preparation
    • 7.2.1 Floor and space requirements
    • 7.2.2 Power requirements
    • 7.2.3 Environmental requirements
    • 7.2.4 Preparing the rack
  • 7.3 System management interfaces
    • 7.3.1 IBM TotalStorage DS Storage Manager
    • 7.3.2 DS Open application programming interface
    • 7.3.3 DS Command-Line Interface
  • 7.4 Network settings
  • 7.5 SAN requirements and considerations
    • 7.5.1 Attaching to an Open System host
    • 7.5.2 FICON-attached zSeries Host
  • 7.6 Software requirements
    • 7.6.1 Licensed features
• Chapter 8. Configuration planning
  • 8.1 Configuration planning considerations
  • 8.2 DS6000 Management Console
    • 8.2.1 Configuration management of DS6000 system
    • 8.2.2 DS Management Console connectivity
    • 8.2.3 Local maintenance
    • 8.2.4 Copy Services management
    • 8.2.5 Remote service support
    • 8.2.6 Call home
    • 8.2.7 Simple Network Management Protocol (SNMP)
  • 8.3 DS6000 licensed functions
    • 8.3.1 Operating Environment License (OEL) - required feature
    • 8.3.2 Point-in-Time Copy function (PTC)
    • 8.3.3 Remote Mirror and Copy functions (RMC)
    • 8.3.4 Parallel Access Volumes (PAV)
    • 8.3.5 Server attachment license
    • 8.3.6 Ordering license functions
    • 8.3.7 Disk storage feature activation
  • 8.4 Capacity planning
    • 8.4.1 Physical configurations
    • 8.4.2 Logical configurations
    • 8.4.3 Sparing rules
  • 8.5 Data migration planning
    • 8.5.1 Operating system mirroring
    • 8.5.2 Basic commands
    • 8.5.3 Software packages
    • 8.5.4 Remote copy technologies
    • 8.5.5 Migration appliances
    • 8.5.6 z/OS data migration methods
  • 8.6 Planning for performance
    • 8.6.1 Disk Magic
    • 8.6.2 Number of host ports
    • 8.6.3 Remote copy
    • 8.6.4 Parallel Access Volumes (z/OS only)
    • 8.6.5 I/O priority queuing (z/OS only)
    • 8.6.6 Monitoring performance
    • 8.6.7 Hot spot avoidance
    • 8.6.8 Preferred paths
• Chapter 9. The DS Storage Manager: Logical configuration
  • 9.1 Configuration hierarchy, terminology, and concepts
    • 9.1.1 Storage configuration terminology
    • 9.1.2 Summary of the DS Storage Manager logical configuration steps
  • 9.2 Introducing the GUI and logical configuration panels
    • 9.2.1 Connecting to your DS6000
    • 9.2.2 Introduction and Welcome panel
    • 9.2.3 Navigating the GUI
  • 9.3 The logical configuration process
    • 9.3.1 Configuring a storage complex
    • 9.3.2 Configuring the storage unit
    • 9.3.3 Configuring the logical host systems
    • 9.3.4 Creating arrays from array sites
    • 9.3.5 Creating extent pools
    • 9.3.6 Creating FB volumes from extents
    • 9.3.7 Creating volume groups
    • 9.3.8 Assigning LUNs to the hosts
    • 9.3.9 Deleting LUNs and recovering space in the extent pool
    • 9.3.10 Creating CKD LCUs
    • 9.3.11 Creating CKD volumes
    • 9.3.12 Using the Express Configuration Wizard
    • 9.3.13 Displaying the storage units WWNN in the DS Storage Manager GUI
  • 9.4 Summary
• Chapter 10. DS CLI
  • 10.1 Introduction
  • 10.2 Functionality
  • 10.3 Supported environments
  • 10.4 Installation methods
  • 10.5 Command flow
  • 10.6 User security
  • 10.7 Usage concepts
    • 10.7.1 Command modes
    • 10.7.2 Syntax conventions
    • 10.7.3 User assistance
    • 10.7.4 Return codes
  • 10.8 Usage examples
  • 10.9 Mixed device environments and migration
    • 10.9.1 Migration tasks
  • 10.10 DS CLI migration example
    • 10.10.1 Determining the saved tasks to be migrated
    • 10.10.2 Collecting the task details
    • 10.10.3 Converting the saved task to a DS CLI command
    • 10.10.4 Using DS CLI commands via a single command or script
  • 10.11 Summary
• Part 4 Implementation and management in the z/OS environment
• Chapter 11. Performance considerations
  • 11.1 What is the challenge?
    • 11.1.1 Speed gap between server and disk storage
    • 11.1.2 New and enhanced functions
  • 11.2 Where do we start?
    • 11.2.1 SSA backend interconnection
    • 11.2.2 Arrays across loops
    • 11.2.3 Switch from ESCON to FICON ports
    • 11.2.4 PPRC over Fibre Channel links
    • 11.2.5 Fixed LSS to RAID rank affinity and increasing DDM size
  • 11.3 How does the DS6000 address the challenge?
    • 11.3.1 Fibre Channel switched disk interconnection at the back end
    • 11.3.2 Fibre Channel device adapter
    • 11.3.3 New four-port host adapters
    • 11.3.4 Enterprise-class dual cluster design for the DS6800
    • 11.3.5 Vertical growth and scalability
  • 11.4 Performance and sizing considerations for open systems
    • 11.4.1 Workload characteristics
    • 11.4.2 Data placement in the DS6000
    • 11.4.3 LVM striping
    • 11.4.4 Determining the number of connections between the host and DS6000
    • 11.4.5 Determining the number of paths to a LUN
    • 11.4.6 Determining where to attach the host
  • 11.5 Performance and sizing considerations for z/OS
    • 11.5.1 Connect to zSeries hosts
    • 11.5.2 Performance potential in z/OS environments
    • 11.5.3 An appropriate DS6000 size in z/OS environments
    • 11.5.4 Configuration recommendations for z/OS
  • 11.6 Summary
• Chapter 12. zSeries software enhancements
  • 12.1 Software enhancements for the DS6000
  • 12.2 z/OS enhancements
    • 12.2.1 Scalability support
    • 12.2.2 Large Volume Support (LVS)
    • 12.2.3 Read availability mask support
    • 12.2.4 Initial Program Load (IPL) enhancements
    • 12.2.5 DS6000 definition to host software
    • 12.2.6 Read Control Unit and Device Recognition for DS6000
    • 12.2.7 New performance statistics
    • 12.2.8 Resource Measurement Facility (RMF)
    • 12.2.9 Preferred pathing
    • 12.2.10 Migration considerations
    • 12.2.11 Coexistence considerations
  • 12.3 z/VM enhancements
  • 12.4 z/VSE enhancements
  • 12.5 TPF enhancements
• Chapter 13. Data Migration in zSeries environments
  • 13.1 Define migration objectives in z/OS environments
    • 13.1.1 Consolidate storage subsystems
    • 13.1.2 Consolidate logical volumes
    • 13.1.3 Keep source and target volume at the current size
    • 13.1.4 Summary of data migration objectives
  • 13.2 Data migration based on physical migration
    • 13.2.1 Physical migration with DFSMSdss and other storage software
    • 13.2.2 Software- and hardware-based data migration
    • 13.2.3 Hardware- and microcode-based migration
  • 13.3 Data migration based on logical migration
    • 13.3.1 Data Set Services Utility (DFSMSdss)
    • 13.3.2 Data migration within the system-managed storage environment
    • 13.3.3 Summary of logical data migration based on software utilities
  • 13.4 Combine physical and logical data migration
  • 13.5 z/VM and VSE/ESA data migration
  • 13.6 Summary of data migration
• Part 5 Implementation and management in the open systems environment
• Chapter 14. Open systems support and software
  • 14.1 Open systems support
    • 14.1.1 Supported operating systems and servers
    • 14.1.2 Where to look for updated and detailed information
    • 14.1.3 Differences to ESS 2105
    • 14.1.4 Boot support
    • 14.1.5 Additional supported configurations (RPQ)
    • 14.1.6 Differences in interoperability between DS6000 and DS8000
  • 14.2 Subsystem Device Driver
  • 14.3 Other multipathing solutions
  • 14.4 DS CLI
  • 14.5 IBM TotalStorage Productivity Center
    • 14.5.1 Device Manager
    • 14.5.2 TCP for Disk
    • 14.5.3 TPC for Replication
  • 14.6 Global Mirror Utility
  • 14.7 Enterprise Remote Copy Management Facility (eRCMF)
  • 14.8 Summary
• Chapter 15. Data migration in the open systems environment
  • 15.1 Introduction
  • 15.2 Comparison of migration methods
    • 15.2.1 Host operating system-based migration
    • 15.2.2 Subsystem-based data migration
    • 15.2.3 IBM Piper migration
    • 15.2.4 Other migration applications
  • 15.3 IBM migration services
  • 15.4 Summary
• Appendix A. Operating systems specifics
  • General considerations
    • The DS6000 Host Systems Attachment Guide
    • Planning
  • UNIX performance monitoring tools
    • IOSTAT
    • System Activity Report (SAR)
    • VMSTAT
  • IBM AIX
    • Other publications
    • The AIX host attachment scripts
    • Finding the World Wide Port Names
    • Managing multiple paths
    • LVM configuration
    • AIX access methods for I/O
    • Boot device support
    • AIX on IBM iSeries
    • Monitoring I/O performance
  • Linux
    • Support issues that distinguish Linux from other operating systems
    • Existing reference material
    • Important Linux issues
    • Linux on IBM iSeries
    • Troubleshooting and monitoring
  • Microsoft Windows 2000/2003
    • HBA and operating system settings
    • SDD for Windows
    • Windows Server 2003 VDS support
  • HP OpenVMS
    • FC port configuration
    • Volume configuration
    • Command Console LUN
    • OpenVMS volume shadowing
• Appendix B. Using the DS6000 with iSeries
  • Supported environment
    • Hardware
    • Software
  • Logical volume sizes
  • Protected versus unprotected volumes
    • Changing LUN protection
  • Adding volumes to iSeries configuration
    • Using 5250 interface
    • Adding volumes to an Independent Auxiliary Storage Pool
  • 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
    • Preferred path for DS6000
  • Sizing guidelines
    • Planning for arrays and DDMs
    • Cache
    • Number of iSeries Fibre Channel adapters
    • Size and number of LUNs
    • Recommended number of ranks
    • Sharing ranks between iSeries and other servers
    • Connecting via SAN switches
  • Migration
    • OS/400 mirroring
    • Metro Mirror and Global Copy
    • OS/400 data migration
  • Copy Services for iSeries
    • FlashCopy
    • Remote Mirror and Copy
    • iSeries toolkit for Copy Services
  • AIX on IBM iSeries
  • Linux on IBM iSeries
• Appendix C. Service and support offerings
  • IBM Web sites for service offerings
  • IBM service offerings
  • IBM Operational Support Services - Support Line
• Related publications
  • IBM Redbooks
  • Other publications
  • Online resources
  • How to get IBM Redbooks
  • Help from IBM
• Index
• Back cover