Parallel Sysplex Overview & Operations

Mainframe Training Overview

The course will concentrate on the operational aspects of the Parallel Sysplex environment. The student will learn about the hardware/software components that constitute a parallel sysplex and the operator functions needed to manage it. Particular attention will be given to the commands necessary to collect information about the status of the sysplex and associated recovery considerations.

Mainframe Training Audience

Course is designed for Computer Operators to manage a Parallel Sysplex. It will include recovery procedures for subsystems, as well as what procedures to follow when a coupling facility rebuild is required.

Mainframe Training Prerequisites

Basic understanding of the OS/390 Operating System, CICS/DB2/VTAM/MVS/JES2 Commands. Working knowledge of the Hardware Master Console.

Mainframe Training Course duration

5 days

Mainframe Training Course outline

SYSPLEX Overview
 
        What is a Sysplex?
        Operator Functions
        Features and Components

Concepts and architecture
 
        Compare the differences between a base Sysplex and parallel Sysplex
        Describe the purpose of the Coupling Facilities three Structure forms (Lock, Cache and List)
        Describe the various Coupling Facility options and their implementations.
        Review the software concepts of resource versus data sharing through a Coupling Facility
        Discuss configuration choices and potential impact on performance

Planning for a Sysplex
 
        Identify the required hardware and software components that make up a Parallel Sysplex and         describe their function
        List the factors that will impact the size of Coupling Facility storage needed in the Parallel Sysplex
        Examine tools and options for sizing a Coupling Facility
        Describe the reasons for using a stand-alone Coupling Facility vs an LPAR between systems
        Understand dynamic CF expansion and dynamic CF dispatching mechanisms

Defining a sysplex
 
        Describe the requirements for implementing a Coupling Facility and a Structure within it
        Describe the functions performed by the Coupling Facility channels (Receive and Send) and how they         need to be defined through Hardware Configuration Definition
        List the required data sets for a Sysplex and the purpose of each
        Indicate the steps necessary to create Sysplex-required data sets

SYSPLEX Operation
 
        Parallel Sysplex Operator Commands
        Shutting Down MVS System
        IPL of Systems in a Parallel Sysplex
        Coupling Facility Considerations in a Parallel Sysplex

Basic SYSPLEX Recovery
 
        Sysplex Failure Management
        Automatic Restart Management (ARM)
        Couple Data Set Management
        XCF Management
        Managing JES2 Recovery

Controlling a SYSPLEX
 
        Managing JES2
        SDSF and OPERLOG
        Tape Sharing Operations
        Managing Consoles
        System Logger Considerations

SYSPLEX Workflow Considerations
 
        Workload Balancing
        Role of Workload Manager

Subsystem Considerations
 
        Network Implications
        CICS Operational Considerations
        DB2 Operational Considerations
        Subsystem "plexes" and their functions
        Useful Operator Commands



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