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BMC Mainframe: z/OS System Anatomy Part 1 - z Architecture

The course is developed and delivered by © RSM Technology.

This course and the follow-on Part 2 course together form the essential core of RSM's z/OS education curriculum for z/OS Systems Programmers. By attending both components attendees will gain an in-depth insight into the fundamental structure of z/OS, enabling further skills enhancement in areas such as debugging, performance, installation and customisation of the operating system.

This course concentrates on laying the ground rules of z/OS in terms of architecture and storage management, as well as explaining the major control blocks and how to interpret them. The course also introduces the major components found in today's Z Systems environments.

Major release:

BMC Mainframe Infrastructure Platform Training

Good for:

Administrators, Developers, Operators, System Programmers, Users

Course Delivery:

Instructor-Led Training (ILT) | 32 Stunden

Course Modules

  • Architecture
    • The architectural principles of the CPU
    • PSW, registers
    • Interrupts system states
    • PSW swapping
    • Multi-processing
    • Central storage
    • Addressing modes
    • Storage keys
    • Parallel & serial channels
    • Pathing
    • HCD
    • LCUs
    • CCWs
    • I/O operation
    • SCSW
  • MVS Introduction
    • The functions of the MVS operating systems
    • Components required to prepare MVS for work
    • Creating address spaces
    • Job Entry Subsystem
    • Initiators
    • resource control
    • Interrupt handlers and status saving
    • Dispatching work
    • I/O requests
    • Workload Manager
    • Execute the work
    • Exit the work from the system
  • Control Blocks, Dumps & IPCS
    • Using IPCS and the debugging handbooks to locate and interpret major MVS control blocks in a dump
    • Finding main control blocks such as PSA, CVT, ASCB, TCB, UCB
    • Main IPCS menus
    • IPCS FIND command
    • IPCS subcommands
    • IPCS labs
  • Virtual Storage Concepts
    • Loading programs
    • Real storage problems
    • DAT
    • Segments & pages
    • Page stealing & UIC
    • Page faults
    • Demand paging
    • Dispatching address spaces
    • Swapping & paging
  • MVS Storage Management
    • Common storage
    • private storage
    • Virtual Storage Manager
    • Subpools
    • Storage keys
    • RSM
    • Page faults
    • Segment faults
    • ASM
    • Page data sets
    • VIO
  • System Initialisation
    • Sysgen and IPL processes
    • The function of the LOAD parameter and the LOADxx member of PARMLIB
    • Concepts of authorised programs
    • The subsystem interface