ES40G | z/OS System Programmer Fundamentals
 
This course is designed to describe the basic components that apply to all z/OS systems. It includes high level concepts that apply to the z/OS hardware platform and the z/OS software. It then provides a more detailed analysis, description and lab activities that can be applied to the system programmer role to maintain z/OS systems. Discussion activities include: The POR, IPL process, JES implementation and operating environment, VTAM environment for TSO, ISPF, SNA and TCP/IP networking, RACF, ISPF/PDF and UNIX System Services. It defines the classic approach to data management in a z/OS system. It identifies various software products and utilities used to define, maintain, and manage catalogs and data sets in the z/OS environment. It also discusses Parmlib usage and requirements for system initialization and operation that include: System symbolics, WLM, SFM, RMF and system logger. Both single system and multi-system sysplex usage is identified. z/OS install, upgrade options, maintenance using SMP/E and I/O configuration requirements using HCD is listed and described.
 
Objetivos del curso
Describe the basics of z/OS architecture
Identify basic components of a z/OS system
Discuss what you have learned about LPARs
Describe maintenance principles
Identify and list the POR process
Describe the IPL process
Identify the basic address spaces
Describe how to shut down z/OS
Implement a basic JES2 batch environment
Identify how work can be started in z/OS and it's relationship to the job entry subsystem
Describe how JES2 prepares and executes work in z/OS
Explain JES2 start options
Describe JES2 parameters that can be customized to support z/OS batch
Identify how communications and control of JES2 can be done using the operator commands and SDSF
Describe JES3 configuration and job processing phases
Identify JES3 start options
Describe the two networking schemes in the z/OS environment: SNA and IP
Identify SNA networking resources
Explain how SNA sessions are established
Describe the role of TCP/IP as a physical filesystem in UNIX System Services
Implement and start a local VTAM instance to provide the base for SNA applications such as TSO
Implement and start TSO
Start a TCPIP stack and check accompanying messages
Identify the main functions of Security Server (RACF) and the role it plays in controlling user access to the system
Describe the contents of RACF user, group, and resource profiles
Describe how RACF profiles are used to authorize user access to a data set resource
Identify two key members used for TCAS startup
Name the components of ISPF
Describe the general layout of ISPF/PDF panels
Describe how UNIX System Services are used in z/OS
Describe briefly the UNIX Shell and utilities and how they are accessed
Describe the application services provided in UNIX System Services
Describe how security is handled in UNIX System Services
Describe the classical z/OS data management
DASD init: VTOC, VTOC index
ICF catalog creation: BCS, VVDS
MCAT/UCAT
IDCAMS utility
DFSMS: DFSMSdss, DFSMShsm
Data, storage, and management classes
Define the hierarchical data management
HFS file system
zFS file system
Define load-parameters for IPL
Define symbols for use in system initialization
Define a configuration for system initialization
Define a library for procedures
Identify the sysplex resources required to run WLM
List the main components that comprise a WLM service definition for a system/sysplex
Describe the function of WLM service definition parameters such as workloads, service goals, periods, and WLM subsystems
Describe how SMF data set are created and used
Explain SMF record types and how they are used
Identify the three RMF monitor types
Describe how the RMF monitor is used for reporting purposes
Identify System Logger components and usage for:
Sysplex configuration and CF logstreams
Single system and DASD-only logstreams
Describe SMF usage of logstreams
Describe the differences between IOCDS and IODF
Identify and list the HCD definition process sequence
Describe how the HCD dialogs are used to define a configuration
Discuss the purpose of Hardware Configuration Manager
Describe the overall concept of SMP/E: Global, target and DLIB zones
Describe what elements and SYSMODs are
Create an SMP/E working environment
Identify the batch and ISPF interfaces to SMP/E
Install a user function using RECEIVE, APPLY, and ACCEPT
Explain how to remove a SYSMOD with RESTORE
Describe the installation options available to install z/OS
Use the attributes of z/OS elements and features to identify the contents of a z/OS product
Describe the contents of the ServerPac offering and important install documentation sources
List the main steps in the ServerPac build process
Describe hardware and software prerequisites for performing a ServerPac installation in:
The driving system
The target system
 
Audience
This intermediate class is intended for new System Programmers and System Administrators, who require an overall understanding of the z/OS platform, z/OS components, data management, and installation and maintenance activities used in z/OS systems.
 
Prerequisites
You should:
Have z/OS installation experience or have attended z/OS Installation (ES41A)
Be familiar with end user activities on MVS, including knowledge of JCL, IDCAMS, the MVS address space structure, and the concept of batch scheduling using JES initiators
 
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