Home Page Icon
Home Page
Table of Contents for
Front cover
Close
Front cover
by Bjoern Wesselbaum, Peter Kimmel, Bert Dufrasne, Jeffery Cook, Andre Coelho, Sher
IBM DS8880 Architecture and Implementation (Release 8.2.1)
Front cover
Notices
Trademarks
Preface
Authors
Now you can become a published author, too!
Comments welcome
Stay connected to IBM Redbooks
Summary of changes
January 2017, Third Edition
Part 1 Concepts and architecture
Chapter 1. Introduction to the IBM DS8880
1.1 Introduction to the IBM DS8880
1.1.1 At-a-glance features of the DS8880
1.2 DS8880 controller options and frames
1.3 DS8880 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 16 Gbps host adapters
1.4.2 Sophisticated caching algorithms
1.4.3 Flash storage
1.4.4 Performance for z Systems
1.4.5 Performance enhancements for IBM Power Systems
Chapter 2. IBM DS8880 hardware components and architecture
2.1 Terminology of the DS8880
2.1.1 Storage system
2.1.2 Management Console
2.1.3 Central processor complex
2.2 DS8880 configurations and models
2.2.1 DS8888 All-Flash configuration
2.2.2 DS8886 configuration
2.2.3 DS8884 configuration
2.2.4 DS8880 base frames
2.2.5 DS8880 expansion frames
2.2.6 Scalable upgrades
2.2.7 Licensed functions
2.3 DS8880 architecture overview
2.3.1 IBM POWER8-based servers
2.3.2 Processor memory
2.3.3 Flexible service processor
2.3.4 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 Storage enclosures and drives
2.5.1 Drive enclosures
2.5.2 Standard drive enclosures
2.6 Power and cooling
2.6.1 Rack Power Control
2.6.2 Direct current uninterruptible power supply
2.6.3 Battery service module set
2.6.4 Extended Power Line Disturbance feature
2.6.5 Power cord options
2.6.6 Power distribution
2.6.7 Enclosure power supplies
2.6.8 Power junction assembly
2.7 Management Console and network
2.7.1 Ethernet switches
2.7.2 DS8880 operator panel
2.8 Hardware feature summary for DS8880 configurations
Chapter 3. Reliability, availability, and serviceability on the IBM DS8880
3.1 DS8880 processor complex features
3.1.1 POWER8 Hypervisor
3.1.2 POWER8 processor
3.1.3 AIX operating system
3.1.4 Cross-cluster communication
3.1.5 Environmental monitoring
3.1.6 Resource unconfiguration
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 DS8880
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 subsystem
3.5.1 RAID configurations
3.5.2 Drive path redundancy
3.5.3 Predictive Failure Analysis
3.5.4 Disk scrubbing
3.5.5 Smart Rebuild
3.5.6 RAID 5 overview
3.5.7 RAID 6 overview
3.5.8 RAID 10 overview
3.5.9 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 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
Chapter 5. DS8000 Copy Services overview
5.1 Introduction to Copy Services
5.1.1 DS8000 Copy Services functions
5.1.2 Copy Services management interfaces
5.2 FlashCopy
5.2.1 The FlashCopy background copy
5.2.2 No background copy option
5.2.3 Benefits and use
5.2.4 FlashCopy options
5.2.5 Remote-Pair FlashCopy (Preserve Mirror)
5.2.6 Remote-Pair FlashCopy with Multiple-Target PPRC
5.2.7 FlashCopy with Thin Provisioning
5.3 Remote Mirror and Copy
5.3.1 Thin Provisioning with Remote Replication
5.3.2 Metro Mirror
5.3.3 Global Copy
5.3.4 Global Mirror
5.3.5 Metro/Global Mirror
5.3.6 Multi-Target PPRC
5.3.7 z/OS Global Mirror
5.3.8 z/OS Metro/Global Mirror
5.3.9 GDPS on z/OS environments
Chapter 6. Designed for performance
6.1 DS8880 hardware: Performance characteristics
6.1.1 Vertical growth and scalability
6.1.2 POWER8
6.1.3 High-Performance Flash Enclosure
6.1.4 Switched Fibre Channel Arbitrated Loops
6.1.5 Fibre Channel device adapter
6.1.6 16-Gbps and 8-Gbps Fibre Channel host adapters
6.2 Software performance: Synergy items
6.2.1 Synergy with Power Systems
6.2.2 Synergy with z Systems
6.3 Performance considerations for disk drives
6.3.1 Flash storage
6.3.2 Enterprise drives
6.3.3 Nearline drives
6.3.4 RAID level
6.4 DS8000 superior caching algorithms
6.4.1 Sequential Adaptive Replacement Cache
6.4.2 Adaptive Multi-stream Prefetching
6.4.3 Intelligent Write Caching
6.4.4 List Prefetch Optimizer
6.5 Performance considerations for logical configurations
6.5.1 Workload characteristics
6.5.2 Data placement in the DS8000
6.6 I/O Priority Manager
6.6.1 Performance policies for open systems
6.6.2 Performance policies for z Systems
6.7 IBM Easy Tier
6.8 Host performance and sizing considerations
6.8.1 Performance and sizing considerations for open systems
Part 2 Planning and installation
Chapter 7. IBM DS8880 physical planning and installation
7.1 Considerations before the installation: Planning for growth
7.1.1 Client responsibilities for the installation
7.1.2 Participants
7.1.3 Required information
7.2 Planning for the physical installation
7.2.1 Delivery and staging area
7.2.2 Floor type and loading
7.2.3 Overhead cabling features
7.2.4 Room space and service clearance
7.2.5 Power requirements and operating environment
7.2.6 Host interface and cables
7.2.7 Host adapter Fibre Channel specifics for open environments
7.2.8 FICON specifics on z/OS environment
7.2.9 Preferred practice for host adapters
7.2.10 WWNN and WWPN determination
7.3 Network connectivity planning
7.3.1 Hardware Management Console and network access
7.3.2 IBM Spectrum Control
7.3.3 Data storage command-line interface
7.3.4 Remote support connection
7.3.5 Storage area network connection
7.3.6 Key manager servers for encryption
7.3.7 Lightweight Directory Access Protocol server for single sign-on
7.4 Remote Mirror and Copy connectivity
7.5 Disk capacity considerations
7.5.1 Disk sparing
7.5.2 Disk capacity
7.5.3 DS8000 flash drives: Considerations
7.5.4 DS8000 flash cards: Considerations
Chapter 8. IBM DS8880 Management Console planning and setup
8.1 DS8880 Management Console overview
8.1.1 Management Console hardware
8.1.2 Private Ethernet networks
8.2 Management Console software
8.2.1 DS Management GUI
8.2.2 Data storage command-line interface
8.2.3 DS Open application programming interface
8.2.4 RESTful application programming interface
8.2.5 Copy Services Manager interface
8.2.6 Web-based user interface
8.3 Management Console activities
8.3.1 Management Console planning tasks
8.3.2 Planning for Licensed Internal Code upgrades
8.3.3 Time synchronization
8.3.4 Monitoring DS8880 with the Management Console
8.3.5 Event Notification through Syslog
8.3.6 Call home and remote support
8.4 Management Console and IPv6
8.4.1 Configuring the Management Console in an IPv6 environment
8.5 Management Console user management
8.5.1 Password policies
8.5.2 Remote Authentication
8.6 Optional Secondary Management Console
8.6.1 Management Console redundancy benefits
Chapter 9. IBM DS8880 features and licensed functions
9.1 IBM DS8880 licensed functions
9.1.1 Feature Codes for Copy Services Manager on HMC
9.1.2 Licensing general introduction
9.1.3 Licensing cost structure
9.2 Activating licensed functions
9.2.1 Obtaining DS8000 machine information and activating license keys
9.2.2 Obtaining the activation codes
9.2.3 Applying activation codes by using the DS CLI
9.3 Licensed scope considerations
Part 3 Storage configuration
Chapter 10. Configuration flow
10.1 Configuration worksheets
10.2 User and role management
10.3 Disk encryption
10.4 Network security
10.5 Configuration flow
10.6 General storage configuration guidelines
Chapter 11. DS8880 Storage Management GUI
11.1 Introduction
11.2 DS8000 Storage Management GUI: Getting started
11.2.1 Accessing the DS8000 Storage Management GUI
11.2.2 Storage Management GUI System Setup wizard
11.2.3 Configuring I/O Port protocols/topologies
11.2.4 Managing and monitoring the storage system
11.2.5 Storage Management help functions
11.3 System configuration overview
11.3.1 Security settings
11.3.2 Easy Tier settings
11.3.3 Advanced settings
11.4 Logical configuration overview
11.5 Logical configuration for fixed-block volumes
11.5.1 Configuration flow
11.5.2 Creating FB pools
11.5.3 Creating FB volumes
11.5.4 Creating FB host attachments
11.5.5 Assigning FB volumes
11.6 Logical configuration for count key data volumes
11.6.1 Configuration flow
11.6.2 Creating CKD storage pools
11.6.3 Creating CKD logical subsystems
11.6.4 Creating CKD volumes
11.6.5 Creating CKD parallel access volumes
11.6.6 Setting the I/O port protocols for z Systems attachment
11.7 Monitoring system health
11.7.1 Hardware components: Status and attributes
11.7.2 Monitoring system events
11.7.3 Audit Logs and Syslog Notifications
11.8 Performance monitoring
11.8.1 Performance statistics
11.8.2 Working with customized performance graphs
11.9 Fibre Channel error rate statistics
11.10 Accessing the previous DS GUI
Chapter 12. Configuration with the data storage command-line interface
12.1 DS command-line interface overview
12.1.1 Supported operating systems for the DS CLI
12.1.2 Installation hints and tips
12.1.3 Installing the DS CLI on a Windows 10 system
12.1.4 Installing the DS CLI on z/OS System
12.1.5 DS CLI version
12.1.6 User accounts
12.1.7 User management by using the DS CLI
12.1.8 DS CLI profile
12.1.9 Configuring the DS CLI to use a second HMC
12.1.10 Command structure
12.1.11 Using the DS CLI application
12.1.12 Return codes
12.1.13 User assistance
12.2 I/O port configuration
12.3 DS8880 storage configuration for fixed-block volumes
12.3.1 Disk classes
12.3.2 Creating the arrays
12.3.3 Creating the ranks
12.3.4 Creating the extent pools
12.3.5 Creating the FB volumes
12.3.6 Creating the volume groups
12.3.7 Creating host connections
12.3.8 Mapping open system host disks to storage unit volumes
12.4 DS8880 storage configuration for the CKD volumes
12.4.1 Creating the arrays
12.4.2 Creating the ranks and extent pools
12.4.3 Logical control unit creation
12.4.4 Creating the CKD volumes
12.4.5 Resource groups
12.4.6 Performance I/O Priority Manager
12.4.7 IBM Easy Tier
12.5 Metrics with DS CLI
12.6 Private network security commands
12.7 Copy Services commands
12.8 Further information
Part 4 Maintenance and upgrades
Chapter 13. Licensed machine code
13.1 How new Licensed Internal Code is released
13.2 Bundle installation
13.3 Code updates
13.4 Host adapter firmware updates
13.4.1 Light-on fastload firmware update
13.4.2 Remote Mirror and Copy path considerations
13.4.3 Control-unit initiated reconfiguration
13.5 Loading the code bundle
13.6 Fast path concurrent code load
13.7 Postinstallation activities
13.8 Summary
Chapter 14. Monitoring with Simple Network Management Protocol
14.1 SNMP implementation on the DS8880
14.1.1 Message Information Base file
14.1.2 Predefined SNMP trap requests
14.2 SNMP notifications
14.2.1 Serviceable event that uses specific trap 3
14.2.2 Copy Services event traps
14.2.3 I/O Priority Manager SNMP
14.2.4 Thin provisioning SNMP
14.3 SNMP configuration
14.3.1 SNMP preparation
14.3.2 SNMP configuration with the HMC
14.3.3 SNMP configuration with the DS CLI
Chapter 15. Remote support
15.1 Introduction to remote support
15.2 IBM policies for remote support
15.3 Remote support advantages
15.4 Remote support call home
15.4.1 Call home and heartbeat: Outbound
15.4.2 Data offload: Outbound
15.4.3 Outbound connection types
15.5 Remote Support Access (inbound)
15.5.1 Assist On-site
15.5.2 DS8880 embedded AOS
15.5.3 DS8880 Remote Support Center
15.5.4 Support access management through the DS CLI and the Storage Management GUI
15.6 Audit logging
Related publications
IBM Redbooks
Other publications
Online resources
Help from IBM
Back cover
Search in book...
Toggle Font Controls
Playlists
Add To
Create new playlist
Name your new playlist
Playlist description (optional)
Cancel
Create playlist
Sign In
Email address
Password
Forgot Password?
Create account
Login
or
Continue with Facebook
Continue with Google
Sign Up
Full Name
Email address
Confirm Email Address
Password
Login
Create account
or
Continue with Facebook
Continue with Google
Next
Next Chapter
Note: Before using this information and the product it supports, read the information in “Notices” on page xi.
Add Highlight
No Comment
..................Content has been hidden....................
You can't read the all page of ebook, please click
here
login for view all page.
Day Mode
Cloud Mode
Night Mode
Reset