BMC Mainframe: JES2 Implementation & Customisation

The hardware
Architectural requirements
IBM's mainframe architecture
Standard address spaces in z/OS
z/OS overview
JES2 and Job Management
The JES2 functions
JES2 components
Parameters for JES2
The Operator and the Three Phases
Operator communications

Starting and initiating JES2
Starting JES2
JES2 start parameters
Default JES2 start parameters
JES2 Initialization parameters (JES2PARM)
Activating JES2
JES2 cold start
JES2 warm starts

Example of JES2 warm start
Starting other functions
Stopping JES2
Stopping JES2 - 'crash landing'
Accidental crash landing of JES2
Message $HASP095
JES2 termination codes

Program execution environments
Batch processing
Started Tasks
Time Sharing Option (TSO)
Executing program requirements
Program identification with JCL
All the JCL statements
The most used JCL statements
JES2 and JES3 statements
Relationships between JCL statements
Getting work into the system
Getting a started task into the system
Getting a TSO user into the system
Getting a Batch Job into the system
Batch Job Queues
Job initiation
Step initiation
The job schedule
Reports and listings
Standard reports
Job Log examples

The active system
What is a batch job?
JES2 information in the job stream
A Job's phases
What is a System Task?
What is a TSO logon?
JES2 job processing
Input Processor
Converter Processor
Execution Processor
Output Processor
DISPLAY active jobs
Examples of $DA
Examples of DISPLAY activity in z/OS
Display of queues - $DQ and $DN
Examples of $DQ and $DN
Information on specific jobs - $DQ
Cancelling jobs
Examples of CANCEL
The $C command

Why the Subsystems Interface (SSI)?
Subsystem Interface
Using the Subsystem Interface

Defining subsystems
SSI Control blocks
What the function IDs represent?

JES2 installation components
JES2 load modules
JES2 libraries
JES2 procedure
Subsystem definition
PROCLIB & INCLUDE

JES2 datasets
Allocating Spool and Checkpoint
Program Properties Table (PPT)
Secondary subsystems
Defining Secondary Subsystems
Review tasks

JES2 initialization flow
Types of JES2 start
Specifying type of JES2 startup
JES2 start options
Initialization parameter format
JES2PARM
Console statements
Key initialization statements
SPOOLDEF

CKPTDEF
MASDEF
MAS display commands
INITDEF and INITnnn
JOB/STC/TSUCLASS
ESTLNCT
CONDEF
PCEDEF
JES2 Monitor

Processes and Queues
Input processing
Job Queue
Job Queue Element (JQE)
Job Control Table (JCT)
Input Output Table (IOT)
Peripheral Dataset Definition Block (PDDB)

Input Processing Control Blocks overview
Controlling input processing
Internal readers
Job characteristics
Conversion process
Dynamic PROCLIB
Conversion process - Internal Text

Checkpointing
Checkpoint layout
Duplex Mode
Dual Mode
Checkpoint recovery
Checkpoint changes
JES2 Spool Management
Spool Volumes (SPOOLDEF)
SPOOL fencing
Spool Affinity
Spool Track Groups
Allocating Spool

Spool status
Changing the spool configuration
Spool partitioning
Spool Offload facility
Offload Transmitters/Receivers
Controlling OFFLOAD devices
Controlling Transmitters/Receivers
Offload dataset
Specifying the JOB Transmitter/Receiver
Specifying the SYSOUT receiver
Specifying the SYSOUT transmitter
Review tasks

What are JES2 Exits?
Uses for JES2 Exits
IBM-supplied JES2 Exits Points
Defining and controlling Exits

JES2 EXIT initialization
Calling environment
Linkage and Return Codes
Exit coding and macros

Executing batch jobs - Initiators
Initiator management
Execution Processor
Executing in z/OS - the address space
Execution - the initiators
Batch Initiators
JES2 and Initiators

Controlling initiators
Jobs in z/OS
Active jobs
DISPLAY active jobs
Cancelling jobs
The $C command
ZAPJOB

Output processing
Print/Punch processor
Output services
Output group
Demand set-up

Work selection criteria
Controlling output
Define local printers
Define printer globals
Output listings

Remote Job Entry (RJE)
Network Job Entry
NJE routing
SNA example

Who is in the Network?
Path resistance
Resistance computation

The hardware
Architectural requirements
IBM's mainframe architecture
Standard address spaces in z/OS
z/OS overview
JES2 and Job Management
The JES2 functions
JES2 components
Parameters for JES2
The Operator and the Three Phases
Operator communications

Starting and initiating JES2
Starting JES2
JES2 start parameters
Default JES2 start parameters
JES2 Initialization parameters (JES2PARM)
Activating JES2
JES2 cold start
JES2 warm starts

Example of JES2 warm start
Starting other functions
Stopping JES2
Stopping JES2 - 'crash landing'
Accidental crash landing of JES2
Message $HASP095
JES2 termination codes

Program execution environments
Batch processing
Started Tasks
Time Sharing Option (TSO)
Executing program requirements
Program identification with JCL
All the JCL statements
The most used JCL statements
JES2 and JES3 statements
Relationships between JCL statements
Getting work into the system
Getting a started task into the system
Getting a TSO user into the system
Getting a Batch Job into the system
Batch Job Queues
Job initiation
Step initiation
The job schedule
Reports and listings
Standard reports
Job Log examples

The active system
What is a batch job?
JES2 information in the job stream
A Job's phases
What is a System Task?
What is a TSO logon?
JES2 job processing
Input Processor
Converter Processor
Execution Processor
Output Processor
DISPLAY active jobs
Examples of $DA
Examples of DISPLAY activity in z/OS
Display of queues - $DQ and $DN
Examples of $DQ and $DN
Information on specific jobs - $DQ
Cancelling jobs
Examples of CANCEL
The $C command

Why the Subsystems Interface (SSI)?
Subsystem Interface
Using the Subsystem Interface

Defining subsystems
SSI Control blocks
What the function IDs represent?

JES2 installation components
JES2 load modules
JES2 libraries
JES2 procedure
Subsystem definition
PROCLIB & INCLUDE

JES2 datasets
Allocating Spool and Checkpoint
Program Properties Table (PPT)
Secondary subsystems
Defining Secondary Subsystems
Review tasks

JES2 initialization flow
Types of JES2 start
Specifying type of JES2 startup
JES2 start options
Initialization parameter format
JES2PARM
Console statements
Key initialization statements
SPOOLDEF

CKPTDEF
MASDEF
MAS display commands
INITDEF and INITnnn
JOB/STC/TSUCLASS
ESTLNCT
CONDEF
PCEDEF
JES2 Monitor

Processes and Queues
Input processing
Job Queue
Job Queue Element (JQE)
Job Control Table (JCT)
Input Output Table (IOT)
Peripheral Dataset Definition Block (PDDB)

Input Processing Control Blocks overview
Controlling input processing
Internal readers
Job characteristics
Conversion process
Dynamic PROCLIB
Conversion process - Internal Text

Checkpointing
Checkpoint layout
Duplex Mode
Dual Mode
Checkpoint recovery
Checkpoint changes
JES2 Spool Management
Spool Volumes (SPOOLDEF)
SPOOL fencing
Spool Affinity
Spool Track Groups
Allocating Spool

Spool status
Changing the spool configuration
Spool partitioning
Spool Offload facility
Offload Transmitters/Receivers
Controlling OFFLOAD devices
Controlling Transmitters/Receivers
Offload dataset
Specifying the JOB Transmitter/Receiver
Specifying the SYSOUT receiver
Specifying the SYSOUT transmitter
Review tasks

What are JES2 Exits?
Uses for JES2 Exits
IBM-supplied JES2 Exits Points
Defining and controlling Exits

JES2 EXIT initialization
Calling environment
Linkage and Return Codes
Exit coding and macros

Executing batch jobs - Initiators
Initiator management
Execution Processor
Executing in z/OS - the address space
Execution - the initiators
Batch Initiators
JES2 and Initiators

Controlling initiators
Jobs in z/OS
Active jobs
DISPLAY active jobs
Cancelling jobs
The $C command
ZAPJOB

Output processing
Print/Punch processor
Output services
Output group
Demand set-up

Work selection criteria
Controlling output
Define local printers
Define printer globals
Output listings

Remote Job Entry (RJE)
Network Job Entry
NJE routing
SNA example

Who is in the Network?
Path resistance
Resistance computation

Workflow Orchestration

Mainframe Simplification

Popular destinations

BMC Mainframe: JES2 Implementation & Customisation

Major release:

Good for:

Course Delivery:

Course Modules

z/OS and JES2 - How They Relate

Starting & Stopping z/OS JES2

z/OS Workload & the Active System

JES2 & the Subsystem Interface

JES2 Installation

JES2 Initialization

Input & Conversion Processors

Checkpoint & Spool Processing

JES2 Exits

Execution Processor

Output & Purge Processor

RJE & NJE

Course Modules

z/OS and JES2 - How They Relate

Starting & Stopping z/OS JES2

z/OS Workload & the Active System

JES2 & the Subsystem Interface

JES2 Installation

JES2 Initialization

Input & Conversion Processors

Checkpoint & Spool Processing

JES2 Exits

Execution Processor

Output & Purge Processor

RJE & NJE

Let us know how we can help

Sales & Pricing

Help & Support

Popular destinations

BMC Mainframe: JES2 Implementation & Customisation

Major release:

Good for:

Course Delivery:

Course Modules

z/OS and JES2 - How They Relate

Starting & Stopping z/OS JES2

z/OS Workload & the Active System

JES2 & the Subsystem Interface

JES2 Installation

JES2 Initialization

Input & Conversion Processors

Checkpoint & Spool Processing

JES2 Exits

Execution Processor

Output & Purge Processor

RJE & NJE

Course Modules

z/OS and JES2 - How They Relate

Starting & Stopping z/OS JES2

z/OS Workload & the Active System

JES2 & the Subsystem Interface

JES2 Installation

JES2 Initialization

Input & Conversion Processors

Checkpoint & Spool Processing

JES2 Exits

Execution Processor

Output & Purge Processor

RJE & NJE

Related Learning Paths