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by Thomas Stoeckel, Valeria Sokal, Redelf Janssen, Andreas Horn, Luiz Fadel, Paola
ABCs of z/OS System Programming: Volume 5
Front cover
Notices
Trademarks
Preface
The team who wrote this book
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Chapter 1. Base and Parallel Sysplex
1.1 Evolution to a Parallel Sysplex
1.2 SYStems comPLEX or sysplex
1.3 The sysplex symmetry
1.4 Sysplex philosophy
1.5 Single system image
1.6 Parallel Sysplex workload balancing
1.7 Sysplex software
1.8 Sysplex hardware
1.9 Sysplex Timer
1.10 Server Timer Protocol (STP)
1.11 Coupling facility
1.12 Message time ordering
1.13 Coupling facility LPARs and CFCC code
1.14 Coupling facility links
1.15 Sysplex overview
1.16 Cross-system coupling facility (XCF)
1.17 Base sysplex
1.18 XCF application, member, and group
1.19 XCF services
1.20 XCF signaling paths
1.21 XCF channel-to-channel connection (CTC)
1.22 XCF using coupling facility list structures
1.23 XCF exploiters
1.24 Sympathy sickness
1.25 Sysplex couple data sets
1.26 Other couple data sets
1.27 Parallel Sysplex with couple data sets
1.28 Format utility for couple data sets
1.29 Base sysplex
1.30 Parallel Sysplex
1.31 Cross-system extended services (XES)
1.32 Sharing environments
1.33 Coupling facility structures
1.34 DB2 cross invalidation (1)
1.35 DB2 cross invalidation (2)
1.36 Level of Parallel Sysplex recovery
1.37 User-managed rebuild
1.38 User-managed duplexing
1.39 User-managed duplexing rebuild
1.40 System-managed rebuild
1.41 System-managed CF duplexing
1.42 CF structure rebuild
1.43 Parallel Sysplex availability
1.44 CF configuration examples
1.45 Parallel Sysplex exploiters
1.46 Defining the sysplex
1.47 IEASYSxx PARMLIB definitions for sysplex
1.48 IEASYSxx PLEXCFG parameter
1.49 IEASYSxx GRS parameter
1.50 CLOCKxx parmlib member
1.51 COUPLExx PARMLIB member
1.52 Consoles in a sysplex
1.53 Multisystem consoles in a sysplex
1.54 Sysplex operation and management
1.55 Displaying CF information
1.56 Display XCF information (1)
1.57 Display XCF information (2)
1.58 Display XCF information (3)
1.59 Display XCF signaling paths (1)
1.60 Display XCF signaling paths (2)
1.61 SETXCF command
1.62 Managing the external timer
1.63 Removing a system from the sysplex
1.64 Sysplex failure management (SFM)
1.65 Parallel Sysplex complex
1.66 Requirements of SFM policy
1.67 SFM implementation
1.68 SFM policy parameters
Chapter 2. System Logger
2.1 System Logger terminology
2.2 Log stream recording media
2.3 z/OS System Logger benefits
2.4 Settings for System Logger services
2.5 Creating and formatting LOGR couple data set
2.6 LOGR policy definition
2.7 Managing log data
2.8 Log stream in a coupling facility
2.9 System Logger XRC support
2.10 DASD-only log streams
2.11 System Logger services
2.12 System Logger exploiters
2.13 SMF recording to logstreams
2.14 SMF recording to SYS1.MANx
2.15 SMF on System Logger
2.16 Where System Logger stores data
2.17 Customizing SMF
2.18 Which SMF records to record
2.19 System Logger log streams
2.20 Dumping SMF data sets
2.21 Dumping SMF records - log streams
2.22 Dumping selective SMF records
Chapter 3. Resource Recovery Services (RRS)
3.1 Introduction to Resource Recovery Services (RRS)
3.2 Two-phase commit protocol
3.3 Two-phase commit process
3.4 Two-phase backout process
3.5 Resource Manager
3.6 Set up RRS in the z/OS system
3.7 RRS exploiters
3.8 RRS commands
3.9 Command output from RRS
3.10 Display Logger information
3.11 XCF information about RRS structures
3.12 ATRQSRV batch utility support
3.13 RRS archive logging and ATRQSRV utility
Chapter 4. Global resource serialization (GRS)
4.1 GRS introduction
4.2 Resource access and GRS queue
4.3 Resource scope: Step, system, systems
4.4 GRS macro services
4.5 RESERVE macro service
4.6 Resource name list (RNL)
4.7 GRSRNL=EXCLUDE migration to full RNLs
4.8 GRS configuration modes
4.9 GRS ring configuration
4.10 GRS ring topology
4.11 GRS star configuration
4.12 GRS star topology
4.13 GRS star highlights
4.14 GRS star configuration planning
4.15 GRS star implementation
4.16 Define GRS lock structure
4.17 Parmlib changes
4.18 GRS ring to GRS star
4.19 GRS star complex overview
4.20 Global ENQ processing
4.21 Global DEQ processing
4.22 Contention notification
4.23 GQSCAN request for global resource data
4.24 ISGGREX0 RNL conversion exit
4.25 ISGGREX0 conversion exit flow
4.26 Shared DASD between sysplexes
4.27 ISGNQXITFAST and ISGNQXIT exits
4.28 GRS star operating (1)
4.29 GRS star operating (2)
4.30 Global resource serialization latch manager
Chapter 5. z/OS system operations
5.1 Planning z/OS operations
5.2 Operating a z/OS environment
5.3 z/OS console types
5.4 IBM 2074 console support controller
5.5 2074 console support controller configuration
5.6 OSA integrated console controller
5.7 Multisystem consoles in a sysplex
5.8 Sysplex operating environment
5.9 Support for multisystem management
5.10 Message processing
5.11 Message flow in a sysplex environment
5.12 Command flow in a sysplex environment
5.13 Console-related parmlib members
5.14 Display console status information
5.15 Display system requests
5.16 Display all defined EMCS
5.17 Display information about an EMCS
5.18 Defining and changing console characteristics
5.19 The hardcopy medium
5.20 z/OS operations log (OPERLOG)
Chapter 6. Automatic restart management
6.1 Automatic restart management
6.2 ARM environment
6.3 Create an ARM couple data set and policy
6.4 ARM restarts
6.5 Modifying batch and STC jobs
6.6 Registering with ARM
6.7 ARM element states
6.8 ARM restart methods
6.9 Restart on the same system
6.10 Restart on different systems
6.11 Group restart overview
6.12 ARM exit facilities
6.13 ARM SMF records
Chapter 7. Geographically Dispersed Parallel Sysplex
7.1 Business continuity
7.2 Disaster recovery objectives
7.3 SHARE disaster/recovery tiers
7.4 Tier 0 - No off-site data
7.5 Tier 1- Pickup truck access method
7.6 Tier 2 - PTAM and hot site
7.7 Tier 3 - Electronic vaulting
7.8 Tier 4 - Active secondary site
7.9 Tier 5 - Two-site two-phase commit
7.10 Tier 6 - Zero data loss
7.11 Database restart versus recovery
7.12 GDPS introduction
7.13 GDPS overview
7.14 Need for data consistency
7.15 An example of write dependency
7.16 GDPS terminology
7.17 GDPS/PPRC
7.18 Freeze policy options
7.19 Planned reconfiguration support
7.20 Unplanned reconfiguration support
7.21 GDPS/PPRC prerequisites
7.22 GDPS/XRC
7.23 GDPS/XRC prerequisites
7.24 GDPS HMC automation interface
7.25 Peer-to-Peer Remote Copy (PPRC)
7.26 PPRC data flow
7.27 PPRC volume states - synchronous mode of operation
7.28 GDPS/PPRC HyperSwap
7.29 GDPS/PPRC HyperSwap goal
7.30 GDPS/PPRC HyperSwap prerequisites
7.31 Extended Remote Copy (XRC)
7.32 XRC components
7.33 XRC data flow
7.34 GDPS error recovery
7.35 GDPS/PPRC multi-site example
Chapter 8. Availability in the zSeries and z9 environment
8.1 System availability terminology
8.2 Continuous availability as a target
8.3 A structured approach to continuous availability design
8.4 Decision criteria for a continuous availability design
8.5 Hardware - Environmental aspects
8.6 Hardware - Central processing complexes
8.7 Hardware - coupling facilities
8.8 Hardware - switches
8.9 Hardware - DASD and other devices
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Note: Before using this information and the product it supports, read the information in “Notices” on page ix.
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