ABCs of OS/390 System Programming

ABCs of OS/390 System Programming
Volume 2
Contents
Figures
Tables
Preface
	The team that wrote this redbook
	Comments welcome
Chapter 1. OS/390 implementation and daily maintenance
	IPL of OS/ 390
	Types of IPL
	The IPL process
	Basic aspects of OS/ 390 implementation
	Overview of parmlib members
	Syntax rules for parmlib members
	Types of system symbols
	Static system symbols
	Using parmlib concatenation
	Description and use of the parmlib concatenation
	Using system symbols in parmlib
	IEASYSxx (system parameter list)
	IEASYSxx and system symbols
	Create an IEASYMxx parmlib member
	LOADxx (system configuration data sets)
	Placement of LOADxx
	How to control parmlib
	PARMLIB commands
	Use of SETLOAD command
	Catalogs
	Using indirect catalog entries
	Catalog management
	Separating data from software
	Placing data sets on specific volumes
	SMP/ E global- shared data sets
	Target libraries (TLIBs) for product sets
	Distribution libraries (DLIBs) for product sets
	Image- related data sets
	Cluster- related data sets
	Choosing a naming convention for data sets
	DASD space utilization and performance
	System data sets
	System administration tasks
	User administration
	DASD administration
	DASD management
	How to add additional DASD volumes
	Implementing System Managed Storage (SMS)
	How to deal with DASD problems
	System data housekeeping
	How to collect SMF data
	SMFPRMxx parmlib member
	Dumping SMF data
	How to create SYS1. LOGREC
	How to clear SYS1. LOGREC
	The SYSLOG
	Other administration tasks
	How to work with Missing Interrupt Handler (MIH)
	How to add additional page data sets
	How to change the TSO timeout value
	How to add spool volumes
	How to delete spool volumes
	How to verify the system configuration
	How to view SYSOUT using ISPF
	How to change your TSO user profile
	How to back up and restore OS/ 390
Chapter 2. Defining subsystems
	IEFSSNxx (subsystem definitions) - keyword parameter form
	Statements and parameters for IEFSSNxx
	Subsystem interface - SSI
	SSI control blocks and routines
	SSI request to master subsystem
	JES2 supported SSI functions
	JES3 supported SSI functions
Chapter 3. Job Management
	OS/ 390 and job management
	Understanding JCL
	Job control statements
	JES2 and JES3 main differences
	JES2
	JES2 functions
	JES2 - Phases of job processing
	JES2 spool
	JES2 checkpointing
	JES2 configurations
	JES2 customization
	JES2 exits
	JES2 job-related exits
	JES2 - Exits in conversion phase
	JES2 - Exits on execution Phase
	How to start JES2
	JES2 start options
	Restarting JES2 with cold start option
	Stopping JES2
	JES2 operations
	Controlling the JES2 environment
	Controlling a JES2 MAS environment
	Controlling JES2 spooling
	Controlling JES2 jobs
	Controlling JES2 printers
	JES3
	JES3 configuration
	JES3 complex
	JES3 single processor
	Multi- system image
	Availability
	Workload balancing
	Spool devices
	Control flexibility
	JES3 phases of job processing
	JES3 operator control
	Controlling JES3 jobs
	Managing output service jobs
	How to start JES3
	JES3 initialization deck
	JES3 start parameter
	How to stop JES3
	Operations planning and control (OPC)
	Who uses TME 10 OPC
	TME 10 OPC platforms
	What is a TME 10 OPC Tracker
	What is a TME 10 OPC controller
	TME 10 OPC as a workload management tool
Chapter 4. LPA, LNKLST, and authorized libraries
	Link pack area (LPA)
	The LPA subareas
	Pageable link pack area (PLPA/ extended PLPA)
	Specifying LPA parameters in parmlib
	Coding a LPALSTxx member
	Fixed link pack area (FLPA or extended FLPA)
	Modified link pack area (MLPA/ extended MLPA)
	Managing dynamic LPA content
	The linkList (LNKLST)
	An overview of linkList (LNKLST)
	Managing dynamic LNKLST content
	The library lookaside (LLA) overview
	Virtual lookaside facility (VLF) overview
	COFVLFxx parmlib member
	The authorized libraries
	Authorized libraries overview
	Managing dynamic APF
Chapter 5. Catalogs
	Catalogs
	Introduction to ICF
	Basic catalog structure (BCS)
	VSAM volume data set (VVDS)
	VSAM volume records (VVR)
	Non- VSAM volume record (NVR)
	Catalogs by function
	Master catalog
	The Mastercat at system initialization
	Identifying the Mastercat
	Usercats
	Catalog search order
	Access method service (AMS)
	Creating a basic catalog structure (BCS)
	Defining a BCS with model
	Defining aliases
	Deleting data entities
	Alias
	Deleting the catalog entry
	VVR and NVR records
	Generation data group (GDG)
	Delete an ICF
	Delete a migrated data set
	Requesting information from a catalog
	LISTCAT examples
	Printing contents of a CATALOG and VVDS
	The catalog address space
	Restarting the catalog address space
	Backup procedures
	Backing up a BCS (Mastercat or Usercat)
	Backing up a VVDS
	Backing up a Mastercat
	Recovery procedures
	Protecting catalogs
	RACF authorization checking
	Profiles
	Merging catalogs
	Splitting a catalog
	Catalog performance
	Factors affecting catalog performance
	Eliminating JOBCAT and STEPCAT DD
	Caching catalogs
	Monitoring the CAS
	Monitoring the CAS performance
	Monitoring the CDSC performance
	Using multiple catalogs
	Sharing catalogs
	DFSMS enhanced catalog sharing
Appendix A. OS/390 installation and customization
	A.1 SYS1. PARMLIB members
	A.2 IEASYSxx SYS1. PARMLIB parameters
	A.3 System data sets
Appendix B. Job Management
	B. 1 Example of a JES2 Initialization Data Set
Appendix C. Special Notices
Appendix D. Related Publications
	D. 1 IBM Redbooks
	D. 2 IBM Redbooks collections
	D. 3 Other resources
How to get IBM Redbooks
	IBM Redbooks fax order form
Glossary
IBM Redbooks evaluation