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BMC

BMC Mainframe: z/OS System Anatomy Part 2 - z/OS Infrastructure & Services

The course is developed and delivered by © RSM Technology.

This course, and its associated Part 1, together form the heart of RSM's definitive z/OS training curriculum for Systems Programmers. In this second course attendees learn the functions of the major z/OS components in considerable detail. They will also learn how the interaction of job, task, storage and data management provides service to the end user. This is done by following the sequence of events as a unit of work passes through the z/OS system from initial submission to completion.

Major release:

BMC Mainframe Infrastructure Platform Training

Good for:

Users

Course Delivery:

Instructor Led | 40 Stunden

Course Modules

  • Job Management
    • Job processing
    • SSI
    • Input phase
    • Internal readers
    • Initiators
    • SWA control blocks
    • ENQs
    • Allocation
    • PPT
    • Job termination
    • Output phase
  • Subsystem Interface (SSI)
    • Why Subsystem Interface?
    • SSI - a universal tool
    • The Master Subsystem (MSTR)
    • ES services via SSI
    • Establishing a subsystem
    • Defining the subsystem to MVS
    • Setting up SSI
    • Starting a subsystem
    • Initialising a subsystem
    • Asking for subsystem service
    • SSI at work...
    • Dynamic SSI
    • Chapter Review
    • Subsystem Lab
  • Resource Control
    • Resource serialization and how it is accomplished through the use of ENQ/DEQ sequences
    • Shared DASD
    • GRS & Sysplex
    • Locking
    • Lock categories
    • SETLOCK, SPIN & SUSPEND
    • Lock manager processing
  • Program Manager
    • The search sequence used by the program manager when attempting to load a module
    • Performance and load module integrity issues
    • Using LOAD
    • LINK
    • XCTL
    • Linkage Stack
    • Control blocks
    • JOBLIB/STEPLIB
  • Dispatcher
    • Units of work- SRBs & TCBs
    • Dispatching sequence
    • Address space structure
    • ASCB/ASXB contents
    • TCB contents
  • SVC Processing
    • Installing SVC routines in an MVS system
    • SVC types
    • SVC FLIH
    • Status saving
    • SVC coding conventions
    • SVCUPDTE facility
  • Recovery Termination Manager
    • Recovery routines available to user programs and the Recovery Termination Manager
    • RMS
    • Program termination types
    • ESPIE
    • ESTAE
    • FRR routines
  • Workload Manager
    • WLM's purpose
    • WLM's tools
    • Compatibility mode
    • Dispatching priorities
    • Storage isolation
    • Logical swapping
    • User & system think times
    • Goal mode implications
    • Classification rules
    • Response time goals
    • Velocity goals
    • Discretionary goals
  • Data Management
    • Access methods
    • DCB concepts
    • OPEN & TIOT
    • DEB; DCB merge
    • Open processing
    • Channel programs
    • ECBs & IOBs
    • EXCP
    • QSAM
    • Synchronising the I/O
    • Analysing completed I/O
    • Close processing
  • IOS and its Drivers
    • IOS
    • IOS drivers & components
    • Building an IOQ
    • Building an ORB
    • CSS at work
    • I/O interrupt handler
    • Post status
    • VSAM
    • Control intervals
    • Linear data sets
    • PDSEs
    • The ACB
    • Open processing
    • Get & Put
    • VSAM control blocks