HP-UX Workload Manager User's Guide

Introduction
What is HP-UX Workload Manager?
Chapter 1 41
The following steps outline how to define a service-level agreement:
1. Establish an inventory of system resources (people, CPU
resources, disk space, and so forth) that serve the end users.
2. Determine how much of the inventory of system resources is
currently being consumed to support the present set of
applications.
3. Determine what the end users require to maintain the status quo
if they are already receiving acceptable service.
4. Determine what the end users require to improve their current
service if they are not receiving acceptable service.
• Service-level objectives
Objectives, derived from SLAs, explicitly describe the expected
utilization, availability, performance, security, accuracy, or recovery.
They can also describe expected response time, job duration, or
throughput.
SLOs lay the foundation for developing the actual utilization and
performance metrics that IT management must collect, monitor, and
report to determine whether the agreed-upon service levels are being
met.
•Goals
This data is used to ensure, and determine whether, an SLO is being
met.
What is HP-UX Workload Manager?
HP-UX Workload Manager (WLM) is a resource management tool that
assesses resource usage in real time and then automatically allocates
resources and manages application performance based on your preferred
service-level objectives (SLOs) and business priorities. WLM plays a key
role in the HP Adaptive Enterprise and virtualization strategies,
allowing hardware, software applications, and virtual server resources to
be pooled and shared to optimize utilization and meet demands
automatically. As a goals-based policy engine of the Virtual Server