z/OS VSAM and Access Method Services

IBM Training for z/OS VSAM and Access Method Services

Skill Level: Intermediate

Modality: CR - Classroom based Trainng or ILO - Instructor Led Online Class

Duration: 4 Day/s

Starting Price: $ - 5,261

Overview:

This is an intermediate course for individuals who manage data sets using IDCAMS and VSAM.

This course is designed to teach how to manage VSAM and non-VSAM data sets by coding and using the functions and features of the Access Method Services program, IDCAMS._x000D_ _x000D_ To reinforce the lecture material, machine exercises are provided that enable students to code and test selected IDCAMS commands such as DEFINE, REPRO, ALTER, and LISTCAT._x000D_ _x000D_ Learn to manage Virtual Storage Access Method (VSAM) and non-VSAM data sets. Particularly emphasize coding and using the functions of the IDCAMS program. Lab exercises enable you to code and test selected IDCAMS commands, such as DEFINE, REPRO, ALTER, and LISTCAT. _x000D_ _x000D_ Hands-On Labs_x000D_ _x000D_ Eight labs are included to address: _x000D_ _x000D_ _x000D_

IDCAMS commands, including ALTER, DEFINE, CLUSTER, EXPORT, IMPORT, EXAMINE, LISTCAT, REPRO, and PRINT

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tuning VSAM and the VSAM buffers

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alternate indexes

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Target Audience:

This is an intermediate course for individuals who manage data sets using IDCAMS and VSAM..

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Prerequisites: You should complete:_x000D_ _x000D_ _x000D_

z/OS Facilities (ES15)

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z/OS Job Control Language and Utilities (ES07) or

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Fundamental System Skills in z/OS (ES10)

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or have equivalent experience

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Topic: Introduction to VSAM data setsdescribe the structure, organization, and use of VSAM clusters

explain the function of Control Intervals (CI) and Control Areas (CA)

describe the purpose of CI splits and CA splits and how they are accomplished

estimate DASD space requirements for various cluster types

ICF catalogsdiscuss the use of the ICF catalog

describe the structure, purpose, and basic contents of the master catalog

describe how the master catalog is located at initial program load (IPL) time

discuss the structure, purpose, and basic contents of user catalogs

create the ICF catalogs

describe the catalog search

discuss and create the two types of alias

IDCAMS commands, part 1discuss the IDCAMS program

code the JCL to run IDCAMS

code the DEFINE CLUSTER command to create specific VSAM data set organizations

code the LISTCAT command to format and print entries from the catalog

JCL for VSAMexplain creation and deletion of VSAM clusters using JCL and the DFSMS data class facility

describe the additional JCL parameters that support VSAM clusters

discuss the purpose of data class

explain the assignment of data class through JCL and the Automatic Class Selection (ACS) routines

IDCAMS commands, part 2describe the function of REPRO, PRINT and DELETE commands

use REPRO to load and back up a VSAM cluster

use PRINT to print a VSAM cluster in various formats

use DELETE to remove the catalog entry for the data set and scratch the data set from the volume

describe and code modal commands to provide for conditional execution of Access Method Services (AMS) statements

Bufferingexplain how buffer space may impact performance either positively or negatively

explain the use of data and index buffers in sequential processing and direct processing

evaluate the use of JCL Access Method Parameters (AMP) keywords to manage buffers

code the buffer keywords on the Dataset Definition (DD) statement

VSAM integrity and securityexplain how integrity and security is maintained

discuss the meaning and use of SHAREOPTIONS

discuss the need for serialization of updates to a data set

describe how ENQ/DEQ macros are used to serialize data set updates in multiregion and multisystem environments

explain the impact of buffering and SHAREOPTION modifications

explain VSAM record level sharing

use the VSAM integrity and security options: RECOVERY, ERASE, VERIFY, and passwords

compare VSAM passwords with Resource Access Control Facility (RACF) security

Tuningexplain the use of CI and CA FREESPACE

discuss the performance impact of cache

describe the space allocation process with KEYRANGES and multivolume data sets

explain the contents of an Index CI

explain how VSAM key compression works

IDCAMS ALTERexplain the basic functions of the ALTER command

code the ALTER command to modify options for processing existing VSAM objects

code the ALTER command to modify options for buffering, FREESPACE, SHAREOPTIONS and passwords

Alternate indexesdescribe the reasons for using an alternate index

discuss the basic contents of an alternate index

use a PATH to process base cluster records directly and in alternate key sequence

define and load an alternate index

explain the impact of SHAREOPTIONS when opening a base cluster and associated alternate indices

explain programming and JCL considerations

Advanced functions and extended format data setsexplain VSAM advanced functions, extended format data sets, and their major features

explain data stripping

explain compression

explain multivolume allocation options

explain extended addressability

explain system managed buffering

explain partial space release

explain space constraint relief

Data set reorganization, backup, and recoverydescribe the need for data set backup

explain the advantages and disadvantages of REPRO

explain the advantages and disadvantages of EXPORT / IMPORT

explain the advantages and disadvantages of DFSMS Data Set Services (DFSMSdss) DUMP / RESTORE

explain the advantages and disadvantages of DFSMS Hierarchical Storage Management (DFSMShsm) HBACKDS / HRECOVER

discuss backup frequency

determine when reorganization is required

code the AMS commands for backup, recovery, and reorganization

Linear Data Sets (LDS)describe Data-In-Virtual (DIV)

explain the structure and use of LDS

explain the use of the DIV macro to access LDS

discuss candidates for LDS

Management and problem analysis aidsexplain the use of the DCOLLECT command to gather management and planning information about the storage subsystem

discuss tools used to identify and trace VSAM errors

code the AMS EXAMINE command to test the structure of a Key Sequenced Data Set (KSDS)

interpret EXAMINE output to determine how to recover from a KSDS structural error

invoke the Generalized Trace Facility (GTF) to track VSAM-related events

invoke utilities to print GTF trace output

Local and global shared resourcesexplain techniques to conserve virtual storage by sharing buffers and control blocks

discuss the concept of shared resource pools

discuss the advantages and disadvantages of Local Shared Resources (LSR)

discuss the advantages and disadvantages of Global Shared Resources (GSR)

describe macros that control use and allocation of shared resources

discuss how to specify and monitor shared buffer allocation in CICS and Information Management System (IMS)

CICS VSAM recoverydescribe the major functions of CICS VSAM recovery

explain the concept of transaction processing, backup, and recovery

explain how to implement and manage CICS VSAM recovery

Application coding considerationsdescribe VSAM processing terminology

define various VSAM processing options

explain the merge of catalog entries, JCL parameters, and program definitions that determine processing options

discuss VSAM programming support, and JCL requirements in Common Business Oriented Language (COBOL), Programming Language One (PL/I), and Assembler languages

describe JCL and programming requirements for COBOL, PL/I, and Assembler languages

IBM Training

Objective: _x000D_

Understand the structure and use of VSAM data sets or clusters

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Code IDCAMS commands to define and load VSAM clusters

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Code IDCAMS commands to define and load alternate indexes

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Code IDCAMS commands to list, alter, and delete catalog entries

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Code IDCAMS commands to print data sets

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Calculate the Direct Access Storage Device (DASD) space requirements for VSAM clusters

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Code the Job Control Language (JCL) for IDCAMS and programs which process VSAM clusters

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Use IDCAMS and JCL options to improve the performance of a VSAM job

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Reorganize, back up, and recover VSAM and non-VSAM data sets

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Interpret an IDCAMS listing of an Integrated Catalog Facility (ICF) catalog

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Select and use the appropriate documentation to utilize VSAM and IDCAMS

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Category: Systems

Product Name:

IBM z/OS Cloud Broker

Badge and Certification Info:

Badge Title:

Badge ID: NONE

Brand: Storage

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