Introduction to Performance Management

Basic Work Units
System Degradation Versus Individual Task Degradation
The Role of Various Performance Monitors
Performance Monitor Components

Enqueues and Reserves

Enqueue and Dequeue Processing
Enqueue and Reserves
Enqueue Serialization Scope
Reserve and Release
Common Enqueue Types
GRS Commands
IEF099I Processing
GRS Processing
Common Enqueue and Reserves

Work Load Manager

Workload Manager vs. IPS/ICS Setup
Goal Types

• Response Time Goal
• Average Response Time Goal
• Percentile Response Time Goal
• Discretionary Goal
• Velocity Goal
• System Goal
• Importance
• Performance Index (PI)

SRM - System Resource Manager

System Resource Allocation
Performance Group Versus Domain
Performance Group Selection
Sample PGN Selection
Multi-programming Level
Operator Controls

DASD, Part 1

DASD Subsystem
I/O Flow
Interpreting RMF DEV Display

DASD, Part 2

Missing Interrupt Handler

DASD, Part 3

DASD Physical Layout
DASD Performance Aids

• Caching
• DASD Fast Write
• NVS
• Cache Fast Write
• Dual Copy

RAID Systems

Storage – PART 1

Introduction to Basic Storage Principles
Storage Types
Storage Hierarchy
Swapping and Paging
Monitoring the Movement of Storage
Interpreting Paging Displays

Storage – PART 2

Virtual Storage
Virtual Storage Areas
Storage Problems

• Swap-Out Reasons
• Storage Shortages

Methods of Improving Service

LLA and VLF
VIO
HYPER Volumes
High Performance Tape Systems

Performance Monitor Samples

RMF
RMF III Commands and Displays
RMF II Commands and Displays
OMEGAMON/MVS