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IBM DS8900F Architecture and Implementation Release 9.1
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Preface
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Part 1 Concepts and architecture
Chapter 1. Introduction to the IBM DS8900F storage system
1.1 Introduction to the DS8900F system
1.1.1 At-a-glance features of the DS8900F
1.2 DS8900F controller options and frames
1.3 DS8900F 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 Service and setup
1.3.7 IBM Certified Secure Data Overwrite
1.4 Performance features
1.4.1 3.4 TB cache
1.4.2 32 GFC and 16 GFC host adapters
1.4.3 Sophisticated caching algorithms
1.4.4 Flash storage
1.4.5 Performance for IBM Z
1.4.6 Performance enhancements for Power Systems servers
Chapter 2. IBM DS8900F hardware components and architecture
2.1 Flash drive terminology of the DS8900F
2.1.1 Storage system
2.1.2 Management Enclosure
2.1.3 Central processor complex
2.2 DS8900F configurations and models
2.2.1 DS8910F Flexibility Class Racked configuration
2.2.2 DS8910F Flexibility Class Rack-Mounted configuration
2.2.3 DS8950F Agility Class configuration
2.2.4 DS8900F base frames
2.2.5 DS8900F expansion frame
2.2.6 Scalable upgrades
2.2.7 Licensed functions
2.3 DS8900F architecture overview
2.3.1 IBM POWER9 CPCs
2.3.2 Processor memory
2.3.3 Flexible service processor
2.3.4 Ethernet connections
2.3.5 Peripheral Component Interconnect Express adapters
2.4 I/O enclosures and adapters
2.4.1 Cross-cluster communication
2.4.2 I/O enclosure adapters
2.5 Flash drive enclosures
2.6 Power and cooling
2.6.1 Rack power control cards
2.6.2 Intelligent power distribution units
2.6.3 Power domains
2.6.4 Rack management 24-port Ethernet switch pair
2.6.5 Backup Power Modules and NVDIMM
2.6.6 Power cord options
2.6.7 Enclosure power supply units
2.7 Management Console and network
2.7.1 Ethernet switches
Chapter 3. IBM DS8900 reliability, availability, and serviceability
3.1 DS8900F processor complex features
3.1.1 POWER9 PowerVM Hypervisor
3.1.2 POWER9 processor
3.1.3 Cross-cluster communication
3.1.4 Environmental monitoring
3.1.5 Resource deconfiguration
3.2 CPC failover and failback
3.2.1 Dual cluster operation and data protection
3.2.2 Failover
3.2.3 Failback
3.2.4 NVS and power outages
3.3 Data flow in the DS8900F
3.3.1 I/O enclosures
3.3.2 Host connections
3.3.3 Metadata checks
3.4 RAS on the Hardware Management Console
3.4.1 Licensed Internal Code updates
3.4.2 Call Home and remote support
3.5 RAS on the storage system
3.5.1 RAID configurations
3.5.2 Drive path redundancy
3.5.3 Flash RAID controller redundancy
3.5.4 Predictive failure analysis
3.5.5 Disk scrubbing
3.5.6 RAID support
3.5.7 RAID 6 overview
3.5.8 RAID 10 overview
3.5.9 RAID 5 implementation in DS8900F
3.5.10 Smart Rebuild
3.5.11 Spare creation
3.6 RAS on the power subsystem
3.6.1 Power components
3.6.2 Line power loss
3.6.3 Line power fluctuation
3.6.4 Power control
3.7 Other features
3.7.1 Internal network
3.7.2 Earthquake resistance
3.7.3 IBM Certified Secure Data Overwrite
Chapter 4. Virtualization concepts
4.1 Virtualization definition
4.2 Benefits of virtualization
4.3 Abstraction layers for drive virtualization
4.3.1 Array sites
4.3.2 Arrays
4.3.3 Ranks
4.4 Extent pools
4.4.1 Dynamic extent pool merge
4.4.2 Logical volumes
4.4.3 Allocation, deletion, and modification of LUNs and CKD volumes
4.4.4 Volume allocation and metadata
4.4.5 Logical subsystems
4.4.6 Volume access
4.4.7 Virtualization hierarchy summary
4.5 Terminology for IBM Storage products
Chapter 5. IBM DS8900F performance characteristics
5.1 DS8900F hardware: Performance characteristics
5.1.1 Vertical growth and scalability
5.1.2 POWER9 processor-based systems
5.1.3 High-Performance Flash Enclosure (HPFE Gen2)
5.1.4 Device adapters
5.1.5 Fibre Channel host adapters: 16 Gbps and 32 Gbps
5.2 Software performance: Synergy items
5.2.1 Synergy with Power Systems
5.2.2 Synergy with IBM Z
5.3 Performance considerations for drives
5.3.1 Flash storage
5.3.2 RAID level
5.4 DS8900F superior caching algorithms
5.4.1 Sequential Adaptive Replacement Cache
5.4.2 Adaptive Multi-stream Prefetching
5.4.3 Intelligent Write Caching
5.4.4 List Prefetch Optimizer
5.5 Performance considerations for logical configurations
5.5.1 Workload characteristics
5.5.2 Data placement in the DS8900F
5.6 Easy Tier
5.7 Host performance and sizing considerations
5.7.1 Performance and sizing considerations for open systems
Part 2 Planning and installation
Chapter 6. IBM DS8900F physical planning and installation
6.1 Considerations before the installation: Planning for growth
6.1.1 Client responsibilities for the installation
6.1.2 Participants
6.1.3 Required information
6.2 Planning for the physical installation
6.2.1 Delivery and staging area
6.2.2 Floor type and loading
6.2.3 Overhead cabling features
6.2.4 Room space and service clearance
6.2.5 Power requirements and operating environment
6.2.6 Host interface and cables
6.2.7 Host adapter Fibre Channel specifics for open environments
6.2.8 FICON specifics on a z/OS environment
6.2.9 Best practices for host adapters
6.2.10 WWNN and WWPN determination
6.3 Network connectivity planning
6.3.1 Hardware Management Console and network access
6.3.2 IBM Spectrum Control and IBM Storage Insights
6.3.3 DS Command-Line Interface
6.3.4 Remote support connection
6.3.5 Storage area network connection
6.3.6 Key manager servers for encryption
6.3.7 Lightweight Directory Access Protocol server for single sign-on
6.4 Remote Mirror and Remote Copy connectivity
6.5 Disk capacity considerations
6.5.1 Disk sparing
6.5.2 Disk capacity
Chapter 7. IBM DS8900F Management Console planning and setup
7.1 DS8900F Management Console overview
7.1.1 Management Enclosure
7.1.2 Management Console hardware
7.1.3 Private and Management Ethernet networks
7.2 Management Console software
7.2.1 DS Management GUI
7.2.2 Data Storage Command-Line Interface
7.2.3 RESTful application programming interface
7.2.4 Copy Services Manager interface
7.2.5 Updating the embedded Copy Services Manager
7.2.6 Web User Interface
7.3 Management Console activities
7.3.1 Management Console planning tasks
7.3.2 Planning for Licensed Internal Code upgrades
7.3.3 Time synchronization
7.3.4 Monitoring DS8900F with the Management Console
7.3.5 Event notification through syslog
7.3.6 Call Home and remote support
7.4 Management Console network settings
7.4.1 Private networks
7.5 Management Console user management
7.5.1 Password policies
7.5.2 Remote authentication
7.5.3 Management Console Web User Interface management
7.5.4 LDAP authentication
7.6 Secondary Management Console
7.6.1 Management Console redundancy benefits
Chapter 8. IBM DS8900F features and licensed functions
8.1 DS8900F licensed functions
8.1.1 General introduction to licensing
8.1.2 Licensing cost structure
8.2 Activating licensed functions
8.2.1 Obtaining DS8000 machine information and activating license keys
8.2.2 Obtaining the activation codes
8.2.3 Applying activation codes by using the DS CLI
8.3 Licensed scope considerations
Part 3 Storage configuration
Chapter 9. Configuration flow
9.1 Configuration worksheets
9.2 User and role management
9.3 Encryption
9.4 Network security
9.5 Configuration flow
9.6 General storage configuration guidelines
Chapter 10. IBM DS8900F Storage Management GUI
10.1 Introduction
10.2 DS GUI: Getting started
10.2.1 Accessing the DS GUI
10.2.2 System Setup wizard
10.2.3 Configuring Fibre Channel Port protocols and topologies
10.3 Managing and monitoring the storage system
10.3.1 Storage Management help functions
10.4 System configuration overview
10.4.1 Network Settings
10.4.2 Security settings
10.4.3 System Settings
10.4.4 Notifications settings
10.4.5 Support settings
10.5 Logical configuration overview
10.6 Logical configuration for open systems volumes
10.6.1 Configuration flow
10.6.2 Creating FB pools for open systems hosts
10.6.3 Creating FB volumes for open systems hosts
10.6.4 Creating FB host attachments
10.6.5 Assigning FB volumes
10.7 Logical configuration for Count Key Data volumes
10.7.1 Configuration flow
10.7.2 Creating CKD storage pools
10.7.3 Creating CKD logical subsystems
10.7.4 Creating CKD volumes
10.7.5 Creating CKD parallel access volumes
10.7.6 Setting the FC port protocols for IBM Z attachment
10.8 Expanding volumes
10.9 Deleting a pool
10.10 Deleting volumes
10.11 Reinitializing a thin-provisioned volume
10.12 Easy Tier support
10.13 Monitoring system health
10.13.1 Hardware components: Status and attributes
10.13.2 Viewing components health and state from the system views
10.13.3 Monitoring system events
10.13.4 Exporting system-wide information
10.13.5 Audit logs
10.14 Performance monitoring
10.14.1 Performance statistics
10.14.2 Working with customized performance graphs
10.15 Fibre Channel error rate statistics
10.16 Providing feedback
Chapter 11. IBM DS8900F Storage Management Command Line Interface
11.1 DS CLI overview
11.1.1 Supported operating systems for the DS CLI
11.1.2 Installation hints and tips
11.1.3 Installing the DS CLI on a Windows 10 system
11.1.4 Installing the DS CLI on an z/OS system
11.1.5 DS CLI version
11.1.6 User accounts
11.1.7 User management by using the DS CLI
11.1.8 DS CLI profile
11.1.9 Configuring the DS CLI to use the second HMC
11.1.10 Command structure
11.1.11 Using the DS CLI application
11.1.12 Return codes
11.1.13 User assistance
11.2 I/O port configuration
11.3 DS8900F storage configuration for fixed-block volumes
11.3.1 Disk classes
11.3.2 Creating the arrays
11.3.3 Creating the ranks
11.3.4 Creating the extent pools
11.3.5 Creating the FB volumes
11.3.6 Creating the volume groups
11.3.7 Creating host connections and clusters
11.3.8 Mapping open system host disks to storage unit volumes
11.4 DS8900F storage configuration for the CKD volumes
11.4.1 Creating the arrays
11.4.2 Creating the ranks and extent pools
11.4.3 Logical control unit creation
11.4.4 Creating the CKD volumes
11.4.5 Resource groups
11.4.6 IBM Easy Tier
11.5 Metrics with DS CLI
11.5.1 Offload performance data and other parameters
11.6 Private network security commands
11.7 Copy Services commands
11.8 Legacy DS CLI commands and scripts
11.9 For more information
Part 4 Maintenance and upgrades
Chapter 12. Licensed Machine Code
12.1 How new Licensed Internal Code is released
12.2 Bundle installation
12.2.1 Remote Code Load
12.3 Code updates
12.4 Host adapter firmware updates
12.4.1 Light-on fastload firmware update
12.4.2 Remote Mirror and Remote Copy path considerations
12.4.3 Control-unit initiated reconfiguration
12.5 Loading the code bundle
12.6 Fast path concurrent code load
12.7 Postinstallation activities
12.8 Summary
Chapter 13. Monitoring and support
13.1 SNMP implementation on the DS8900
13.1.1 Message Information Base file
13.1.2 Predefined SNMP trap requests
13.2 SNMP notifications
13.2.1 Serviceable event that uses specific trap 3
13.2.2 Copy Services event traps
13.2.3 Thin-provisioning SNMP
13.3 SNMP configuration
13.3.1 SNMP preparation
13.3.2 SNMP configuration with the HMC
13.3.3 SNMP configuration with the DS CLI
13.4 Introduction to remote support
13.5 IBM policies for remote support
13.6 Remote support advantages
13.7 Remote support and Call Home
13.7.1 Call Home and heartbeat: Outbound
13.7.2 Data offload: Outbound
13.7.3 Outbound connection types
13.8 Remote Support Access (inbound)
13.8.1 Assist On-site
13.8.2 DS8900F embedded AOS
13.8.3 IBM Remote Support Center for DS8900F
13.8.4 Support access management through the DS CLI and DS GUI
13.9 Audit logging
13.10 Using IBM Storage Insights
13.10.1 IBM Storage Insights
13.10.2 Getting started with IBM Storage Insights
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