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Languages

English

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Who Can Benefit

Students who can benefit from this course are operations, field systems engineering, programming and technical management personnel who require an understanding of the basic hardware, software and processes that represent the operating environment of an IBM mainframe running the z/OS operating system.

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Prerequisites

None

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Skills Gained

Upon completion of this course, students should be able to:

• Create basic IOCP and HCD Configurations
• Perform an Initial Program Load
• Activate a new I/O Configuration dynamically
• Use z/OS console commands to bring devices online to the system
• Use z/OS and JES2 console commands to control work in the system
• Interpret work related console messages
• Analyze I/O error situations including fiber optic link errors and take appropriate action
• Describe the various components of a Parallel Sysplex

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Course Content

Module 1 - Storage Relationships

• History of z/OS Operating System
• Number Systems
• Storage Addressing
• Non-Virtual Storage Use
• Virtual Storage and Dynamic Address Translation
• The Virtual Address Space
• Multiple Address Spaces
• Dataspaces and Hiperspaces
• Paging and Swapping

Module 2 - Device Connectivity and Addressing

• Connectivity Overview
• Fiber Characteristics
• Advantages of Using FICON
• FICON Express, Express2 and Express4
• McData Corporation
• Brocade Communications Systems
• Cisco Systems
• IBM TotalStorage
• FICON CUP
• Cascaded FICON Directors
• Dense Wavelength Division Multiplexing
• World Wide Names
• Port Identifiers
• FICON Serial Frame Addressing
• Channel Subsystem and Channel Path Ids
• Unit Addresses and Device Numbers
• Placing one or more I/O Devices Online or Offline
• Placing one or more I/O Paths Online or Offline
• Reconfiguring one or more I/O Paths Online or Offline

Module 3 - Processors and their Configuration

• Uniprocessors and Multiprocessors
• Logical Partitioning and Channel Path Modes
• IBM zSeries 990 and zSeries 890
• IBM System z9
• IBM System z10
• Base Sysplex
• Parallel Sysplex
• Coupling Facility
• IBM 9037-2 Sysplex Timer
• Server Time Protocol (STP) Timing Network
• GDPS/PPRC (Peer to Peer Remote Copy)
• GDPS/XRC (Extended Remote Copy)

Module 4 - I/O Configuration

• Nature of an I/O Request
• I/O Configuration Data Flow
• IOCP Statement Review
• MVSCP Statement Review
• IOCP Chpid Parameters
• CHPID - Shared Channel Control
• HCD CHPID Parameters
• IOCP CNTLUNIT Parameters
• HCD CNTLUNIT Parameters - 1
• HCD CNTLUNIT Parameters - 2
• IOCP IODEVICE Parameters
• IODEVICE - Shared Device Control
• HCD IODEVICE Parameters - 1
• HCD IODEVICE Parameters - 2
• IOCP to define the Director
• HCD panel to define the Director
• IOCP for 3990 DLSE Mode
• 3990-6 Eight Path Access
• HCD Print / Compare Option
• HCD Print / Compare Selection

Module 5 - z/OS Initialization

• Major System Data Sets
• I/O Configuration Initialization Review
• IOCDS Configuration Selection
• LOADxx Member
• Initial Program Load Profile
• LOADxx Search Order
• Message Suppression Control
• IPL Prompt Messages
• The First Address Space
• Common Area Breakdown
• Starting Other Address Spaces
• Address Space Control Commands - 1
• Address Space Control Commands - 2
• Dynamic I/O Reconfiguration
• IODF Token Processing at IPL
• Device Deletion Considerations
• Device Addition Considerations
• Activating New I/O Configuration via Console

Module 6 - Batch Processing and JES

• Job Entry Subsystem Functions
• Job Entry Subsystem Processing
• SPOOL Data Set Contents
• JES2 Configuration
• JES3 Configuration
• Initiators 6-14
• JES2 Command Examples

Module 7 - Error Data Gathering

• ESCON/FICON Failure Reporting
• ESCON/FICON Link Incident - Scenario
• Link Incident - Console Messages
• Link Incident - Logrec Detail Record
• ESCON/FICON Switch Configuration Terms
• ESCON Manager and System Automation’s I/O Ops
• ESCM and I/O Ops Console Interface
• ESCM ‘Display Switch’ Console Command
• ESCM ‘Display Port’ Console Command
• Displaying Device Allocation Availability
• Displaying Channel Path Availability
• Displaying Current Physical Path Status

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