M204 - System Management Courses

Overview of System Concepts (SM050)

Duration: 1 Day

Description: Designed for Programmers, File Managers, and anyone interested in receiving a short overview of the Model 204 system operation environment, this one-day course details the components of the Model 204 nucleus that handle scheduling, resource allocation, and system recovery. Students will acquire an understanding of how the Model 204 system operates to provide maximum throughput while performing all necessary system-level tasks. Learn about:

User Roles in Model 204.
Model 204 Online Configuration.
System Recovery and Integrity.
System Security.
Controlling System Operations.

Introduction to System Management (SM100)

Duration: 3 Days

Description: Intended for new System Managers, this course provides an overview of aspects of Model 204 that affect usage, performance, and integrity. Discussions of Model 204 system parameters and datasets are included, with an emphasis on those used for an online, multiuser job. Learn how to:

Calculate server sizes for maximum usability.
Use and set server parameters.
Monitor disk buffer allocation.
Define the runtime environment (User 0 parameters) and user environment (I/O devices and servers).
Control system operations (User 0).

Recovery and Enqueuing (SM120)

Duration: 2 Days

Description: Designed for System Managers who have completed the Introduction to System Management class (SM100), this course discusses the recovery methods provided in Model 204. The class includes descriptions of how each method works, what is required to use it, and appropriate approaches for "real life" situations. Students will also learn about the different levels of enqueuing employed with Model 204. Learn how to:

Run roll back-roll forward recovery (RESTART).
Set applicable parameters for recovery.
Identify situations requiring recovery.
Use commands to view enqueuing information.

Security (SM150)

Duration: 1 Day

Description: Designed for System Managers who have completed the Introduction to System Management class and are responsible for or interested in security, this course gives a detailed description of Model 204 security features. Also discussed is how to use each feature alone and as part of an overall security scheme. Learn how to:

Establish or change LOGIN privileges and account priorities
Secure a file and change file passwords
Set record security for APSY
Control access to fields within a file
Define security for a file group
Restrict LOGIN, FILE, or GROUP passwords to specific user numbers
Create subsystem security for APSY

Problem Determination and Resolution (SM160)

Duration: 2 Days

Description: Designed for System Managers, File Managers and DBA’s, this class discusses the tools and techniques for determining the nature of an operational problem. There is an in-depth discussion of the audit trial and the correct way to interpret it with several examples. The course covers reading and interpreting a snap dump, and how to determine when to forward a problem to Rocket M204. Learn how to:

Recognize, define and document a problem.
Access and understand various sources of information.
Auditing Information
Subsystem Application Information
Execute varied Model 204 utilities to help capture information.
Use various methods and techniques to resolve problems.

Note: Rocket M204 recommends that you also complete the following course before taking this class: SM120 (Recovery and Enqueuing) and have knowledge of operating system concepts.

System Performance and Tuning (SM350)

Duration: 3 Days

Description: Designed for System Managers who have completed the Introduction to System Management class (SM100), this course explains how to identify performance problems in Model 204 and the host operating system. Lectures cover measuring and adjusting a Model 204 system using tuning techniques for both Model 204 and the operating system. Learn how to:

Minimize disk I/0 using the Disk Buffer Monitor.
Reduce server I/0 using the Resident QTBL.
Ensure data integrity by monitoring the Record Locking Table.
Accurately size the Resource Locking Table to avoid wasting memory and causing request cancellation.
Monitor virtual storage use.

Note: Rocket M204 recommends that you also complete the following courses before taking this class: SM120 (Recovery and Enqueuing) and SM160 (Problem Determination and Resolution).

Students are asked to bring listings containing the following from their Model 204 online region: Audit Trail, CCAIN Stream, JCL Stream for MVS and IPS and ICS members from SYS1.PARMLIB.