Book description
The ABCs of z/OS® System Programming is an eleven-volume collection that provides an introduction to the z/OS operating system and the hardware architecture. Whether you are a beginner or an experienced system programmer, the ABCs collection provides the information you need to start your research into z/OS and related subjects. If you would like to become more familiar with z/OS in your current environment, or if you are evaluating platforms to consolidate your e-business applications, the ABCs collection will serve as a powerful learning tool.
The contents of the volumes are:
Volume 1: Introduction to z/OS and storage concepts, TSO/E, ISPF, JCL, SDSF, and z/OS delivery and installation
Volume 2: z/OS implementation and daily maintenance, defining subsystems, JES2 and JES3, LPA, LNKLST, authorized libraries, Language Environment®, and SMP/E
Volume 3: Introduction to DFSMS, data set basics, storage management hardware and software, VSAM, System-Managed Storage, catalogs, and DFSMStvs
Volume 4: Communication Server, TCP/IP and VTAM®
Volume 5: Base and Parallel Sysplex®, System Logger, Resource Recovery Services (RRS), global resource serialization (GRS), z/OS system operations, Automatic Restart Management (ARM), Geographically Dispersed Parallel Sysplex™ (GPDS), availability in the zSeries® environment
Volume 6: Introduction to security, RACF®, Digital certificates and PKI, Kerberos, cryptography and z990 integrated cryptography, zSeries firewall technologies, LDAP, Enterprise identity mapping (EIM), and firewall technologies
Volume 7: Printing in a z/OS environment, Infoprint Server and Infoprint Central
Volume 8: An introduction to z/OS problem diagnosis
Volume 9: z/OS UNIX® System Services
Volume 10: Introduction to z/Architecture®, zSeries processor design, zSeries connectivity, LPAR concepts, HCD, and HMC
Volume 11: Capacity planning, performance management, RMF, and SMF
Volume 12: WLM
Volume 13: JES3
Table of contents
- Front cover
- Notices
- Preface
-
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
- Related publications
- Back cover
Product information
- Title: ABCs of z/OS System Programming: Volume 5
- Author(s):
- Release date: May 2011
- Publisher(s): IBM Redbooks
- ISBN: 9780738435510
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