CICS Systems Administration
Duration
Five Days
Summary
This course is designed to help CICS System Administration personnel to understand CICS from initialization through to shutdown, including maintenance, performance and availability.
Audience
Personnel responsible for CICS Administration experienced application programmers, system programmers, and managers.
Pre-requisites
The participant should have CICS experience.
Approach
This class is taught by lecture with hands-on workshops.
Objectives
Upon Completion of this course students should be able to appreciate how CICS works and be able to:
- Start, run, and shut down a CICS system
- Perform CICS administration duties
- Understand resource naming conventions
- Use CEDA,CEDB, AND CEDC to manage CICS resources on-line
- Maintain Macro tables
- Understand performance considerations
Course Content
Introduction
- CICS Overview
- CICS Connectivity to other systems
- Terminology
Components
- Resource Definitions Online BATCH CEDA DFHCSDUP
- Macro table generation
- System Initialization Table
- Data Sets
Initialization
- Types
- Steps during initialization
- JCL and start up messages
- CEMT (master Terminal)
- PLT
Storage
- Construction of the address space
- Dynamic Storage Areas
- Subsystem storage protection/Transaction isolation
- Command Protection
- Storage Violations
- Short on Storage
- Dynamic storage maintenance
Supplies Transactions
- CEMT
- CEBR
- CECI
- CEDA
- CMAC
- CETR
Transaction Management Parameters that Manage Transactions
- MXT
- TRANSCLASS
- ICVR
Transaction Attaching and Dispatching
- System vs. User transactions
- Dispatching process (multiple TCB)
- ICV
- Transaction Definitions/ Autoinstall
- Program/Map Definitions/Autoinstall
- Attach flow
Communications
- 3270 Terminal definitions/autoinstall
- Connections and Sessions
- CICSPlex/Multi Region Option
- SYSPLEX/WORKLOAD MANAGER
Types of Data
- VSAM files
- Local Shared Resources
- Temporary Storage
- Transient Data
- System Log
- Local and Global catalogs
- User Journals
- Data base -DB2, DBCTL
Problem Resolution
- System Dumps -IPCS
- Transaction Dumps
- Trace Internal Auxiliary GTF
Shut Down
- Types
- PLTSD/XLT
Statistics
- STAT transaction
- SMF records
- Summary and Detailed Statistics
