Note: Before using this information and the product it supports, read the information in “Notices” on page xiii.
by Bo XU, Hervey Kamga, Anna Shugol, Kazuhiro Nakajima, Paul Schouten, Frank Packhe
IBM z15 (8561) Technical Guide
- Front cover
- Notices
- Preface
- Chapter 1. Introduction
- 1.1 Design considerations for the IBM z15
- 1.2 z15 server highlights
- 1.3 z15 server technical overview
- 1.3.1 Model and features
- 1.3.2 Model upgrade paths
- 1.3.3 Frames
- 1.3.4 CPC drawer
- 1.3.5 I/O connectivity: PCIe+ Generation 3
- 1.3.6 I/O subsystem
- 1.3.7 I/O and special purpose features in the PCIe I/O drawer
- 1.3.8 Storage connectivity
- 1.3.9 Network connectivity
- 1.3.10 Coupling and Server Time Protocol connectivity
- 1.3.11 Cryptography
- 1.4 Reliability, availability, and serviceability
- 1.5 Hardware Management Consoles and Support Elements
- 1.6 Operating systems
- Chapter 2. Central processor complex hardware components
- Chapter 3. Central processor complex design
- 3.1 Overview
- 3.2 Design highlights
- 3.3 CPC drawer design
- 3.4 Processor unit design
- 3.4.1 Simultaneous multithreading
- 3.4.2 Single-instruction multiple-data
- 3.4.3 Out-of-Order execution
- 3.4.4 Superscalar processor
- 3.4.5 Compression and cryptography accelerators on a chip
- 3.4.6 Decimal floating point accelerator
- 3.4.7 IEEE floating point
- 3.4.8 Processor error detection and recovery
- 3.4.9 Branch prediction
- 3.4.10 Wild branch
- 3.4.11 Translation lookaside buffer
- 3.4.12 Instruction fetching, decoding, and grouping
- 3.4.13 Extended Translation Facility
- 3.4.14 Instruction set extensions
- 3.4.15 Transactional Execution
- 3.4.16 Runtime Instrumentation
- 3.5 Processor unit functions
- 3.5.1 Overview
- 3.5.2 Central processors
- 3.5.3 Integrated Facility for Linux (FC 1945)
- 3.5.4 Internal Coupling Facility (FC 1946)
- 3.5.5 IBM Z Integrated Information Processor (FC 1947)
- 3.5.6 System assist processors
- 3.5.7 Reserved processors
- 3.5.8 Integrated firmware processor
- 3.5.9 Processor unit assignment
- 3.5.10 Sparing rules
- 3.5.11 CPC drawer numbering
- 3.6 Memory design
- 3.7 Logical partitioning
- 3.8 Intelligent Resource Director
- 3.9 Clustering technology
- 3.10 Virtual Flash Memory
- 3.11 Secure Service Container
- Chapter 4. Central processor complex I/O structure
- Chapter 5. Central processor complex channel subsystem
- Chapter 6. Cryptographic features
- Chapter 7. Operating system support
- Chapter 8. System upgrades
- 8.1 Permanent and Temporary Upgrades
- 8.2 Concurrent upgrades
- 8.3 Miscellaneous equipment specification upgrades
- 8.4 Permanent upgrade by using the CIU facility
- 8.5 On/Off Capacity on Demand
- 8.6 z/OS Capacity Provisioning
- 8.7 System Recovery Boost Upgrade
- 8.8 Capacity for Planned Event
- 8.9 Capacity Backup
- 8.10 Planning for nondisruptive upgrades
- 8.11 Summary of Capacity on-Demand offerings
- Chapter 9. Reliability, availability, and serviceability
- Chapter 10. Hardware Management Console and Support Element
- 10.1 HMC and SE introduction
- 10.2 HMC and SE changes and new features
- 10.2.1 Driver Level 41 HMC and SE new features
- 10.2.2 New Rack-mounted HMC and Tower HMC
- 10.2.3 New Support Element
- 10.2.4 New service and functional operations for HMCs and SEs
- 10.2.5 SE driver support with the HMC driver
- 10.2.6 HMC feature codes
- 10.2.7 User interface
- 10.2.8 Customize Product Engineering Access: Best practice
- 10.3 HMC and SE connectivity
- 10.4 Remote Support Facility
- 10.5 HMC and SE capabilities
- 10.5.1 Central processor complex management
- 10.5.2 LPAR management
- 10.5.3 Operating system communication
- 10.5.4 HMC and SE microcode
- 10.5.5 Monitoring
- 10.5.6 Capacity on-demand support
- 10.5.7 Server Time Protocol support
- 10.5.8 CTN Split and Merge
- 10.5.9 NTP client and server support on the HMC
- 10.5.10 Security and user ID management
- 10.5.11 System Input/Output Configuration Analyzer on the SE and HMC
- 10.5.12 Automated operations
- 10.5.13 Cryptographic support
- 10.5.14 Installation support for z/VM that uses the HMC
- 10.5.15 Dynamic Partition Manager
- Chapter 11. Environmentals
- Chapter 12. Performance
- 12.1 IBM z15 performance characteristics
- 12.2 z15 Large System Performance Reference ratio
- 12.3 Fundamental components of workload performance
- 12.4 Relative Nest Intensity
- 12.5 LSPR workload categories based on RNI
- 12.6 Relating production workloads to LSPR workloads
- 12.7 CPU MF counter data and LSPR workload type
- 12.8 Workload performance variation
- 12.9 Capacity planning consideration for z15
- Appendix A. Channel options
- Appendix B. System Recovery Boost
- Appendix C. IBM Integrated Accelerator for zEnterprise Data Compression
- Appendix D. Frame configurations
- Related publications
- Back cover
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Note: Before using this information and the product it supports, read the information in “Notices” on page xiii.
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First Edition (January 2020)
This edition applies to IBM z15 Model T01, Machine Type 8561.
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