On successful completion of this course you will be able to:

• describe the functions of MVS and JES2
• use GRS effectively
• exploit program management
• explain how the dispatcher works
• describe Cross Memory Services (XMS) and how it works
• install user SVCs
• describe how MVS invokes recovery and when to use ESTAE routines
• explain how WLM works to manage z/OS resources
• design and setup the DASD subsystem
• isolate I/O problems.

• 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
• Inter Address Space Communication
  • Hiperspaces
  • data spaces
  • cross memory services
  • service request blocks (SRBs)
  • the cross-system coupling facility (XCF)
• 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
• Direct Access Storage Devices
  • Track formats
  • CKD format
  • RPS
  • VTOCs
  • DSCB types
  • VTOC Index
  • VTOC listing
  • Catalogs
  • opening data sets
  • SMS
• 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

Live instructor-led training, with plenty of opportunities for hands-on exercises and discussion.
This course is also available for exclusive one-company presentations live over the Internet, via the Virtual Classroom Environment service.

Delivered as a live, interactive online training.

Attendance on the course z/OS System Anatomy - Part 1 or equivalent experience.

This course is designed for individuals who wish to further their understanding of z/OS as gained in z/OS System's Anatomy Part 1, in order to provide z/OS system support.