Labs - z/OS System Programmer - Basics (z/OS)
Duration
5 hours
Overview
These mainframe exercises provide scenarios where you are required to perform tasks and resolve simple and more complex z/OS-related problems, using your organization's training sandbox.
Audience
These exercises are suitable for junior system programmers or senior operations staff.
Prerequisites
- A solid understanding of z/OS or the successful completion of the following Interskill courses:
- z/OS - Concepts and Components
- z/OS - Initializing and Terminating the z/OS System
- z/OS - Monitoring the z/OS System
- z/OS - Identifying z/OS System Problems
- z/OS - Resolving z/OS System Problems
- z/Architecture - Processing Workloads
- z/Architecture - Memory, Address Spaces, and Virtual Storage
- IBM (z/OS) - z/OS Systems Programming Fundamentals
Note: Each Lab below contains its own list of prerequisites or equivalent knowledge, which is displayed when accessing the module.
Objectives
- After completing this course, the student will be able to:
- Locate system error message explanations, and formulate solutions
- Identify PARMLIB members referenced during system startup
- Identify activity occurring during an IPL
- Display and modify z/OS health checks
- Locate error message explanations, and formulate solutions
- Create a formatted dump from a batch job
- Cancel a job and produce a dump
- Terse dump data
- Identify CPU activity used by tasks
- List and update Program Properties Table entries
- Display online, offline, and allocated DASD devices
- Identify online paths to a DASD device
- Identify the IODF volume used during an IPL
- Interpret information displayed in the HCD application
- Identify page data sets configured for you z/OS system
- Create and delete a page data set
- Configure page data sets for use
- Display Master Catalog Details
- Enter MVS Commands to Display Catalog Status and Performance
- Display your current Workload Manager (WLM) service policy
- Activate a WLM service policy
- Identify services classes
- Save your WLM definition in XML format
- Display and modify WLM performance goals
Course Content
Lab z/OS System Programmer (z/OS) - System Messages, IPLs, and Health Checker
Write to Log Buffer Shortage
Handling LOGREC Full Messages
PARMLIB Error Messages
Displaying IPL Information
Displaying Registered Products
Invoking the TSO ISPVCALL Trace
Handling I/O Error Messages
Displaying Health Checker Activity
Modifying Health Checks
Refreshing Checks
Lab z/OS System Programmer (z/OS) - Handling Job Failures
Identifying Job Abends
Producing a Formatted Dump
Displaying APF Authorized Libraries
Tersing Dump Data
Handling a Job that is Looping
Monitoring Job CPU Usage
Displaying Program Properties Table (PPT) Entries
Invoking a New Set of PPT Definitions
Creating a PPT Entry
Lab z/OS System Programmer (z/OS) - Disk Drives and I/O Configuration
Displaying Online, Offline, and Allocated, DASD Devices
Identifying an Online Path to a DASD Device
Identifying the IODF Volume Used During an IPL
Accessing the HCD Option From ISPF
Using the CONFIGxx PARMLIB Member
Lab z/OS System Programmer (z/OS) - Page Data Sets and Catalogs
Displaying Online, Offline, and Allocated, DASD Devices
Identifying a Page Shortage
Configuring Page Data Sets
Limiting Page Data Set Numbers
Creating and Deleting a Page Data Set
Identifying the Master Catalog
Displaying Catalog Status and Attributes
Displaying and Analyzing Catalog Performance
Lab z/OS System Programmer (z/OS) - Workload Manager
Displaying a WLM Service Policy
Activating a Service Policy
Identifying Service Classes
Saving WLM Definitions in XML Format
Modifying a Performance Goal
Displaying Service Classes Assigned to a Job or Started Task