Contents

 

1 Overview

6

gWLM Overview

6

Benefits of using gWLM

6

Comparison of PRM, WLM, and gWLM features

6

Concepts and terms for using gWLM

7

The gWLM management model

9

How gWLM allocates CPU resources

10

Available interfaces

11

Assumptions

11

Finding more gWLM information

12

2 Configuring gWLM to manage workloads

14

Policy types

14

Choosing a policy type

16

Choosing between an OwnBorrow policy and a utilization policy

16

Combining the different policy types

17

Seeing how gWLM will perform without affecting the system

17

Getting started with gWLM

17

Tabs and menus

17

Using the wizard

17

Seeing gWLM in action

18

Common uses for gWLM

20

Fixing the amount of CPU resources a workload gets

20

Resizing a workload’s npar, vpar, VSP, virtual machine, pset, or fss group as needed

21

Common configuration tasks

21

Setting up gWLM (initial setup steps)

21

Changing from advisory mode to managed mode

22

Creating a new policy

22

Editing a policy

23

Changing which policy is associated with a workload

23

Adding a new compartment or GiCAP group member to an SRD

24

Stop managing a workload

24

Stop managing an SRD

25

3 Monitoring workloads and gWLM

27

Monitoring workloads

27

High-Level view

27

Graphical reports

27

Real-time reports

27

Historical reports

27

Viewing gWLM reports in monitor-Only mode

27

Monitoring gWLM from the command line

28

Message logs

28

Viewing HP Systems Insight Manager events

30

Monitoring gWLM with GlancePlus

30

4 Security

31

General security topics

31

Securing gWLM communications

31

Securing database communications

31

Securing Postgres communications

31

Securing Oracle communications

31

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HP UX 11i Workload Management (gWLM/WLM) Software manual Contents

UX 11i Workload Management (gWLM/WLM) Software specifications

HP-UX 11i Workload Management (gWLM/WLM) software is an integral component of HP's premier UNIX operating system, designed to enhance system performance and resource management across diverse workloads. This advanced tool allows system administrators to monitor, control, and allocate resources effectively to achieve optimal performance, reliability, and service levels in enterprise environments.

One of the main features of gWLM/WLM is its ability to classify workloads and manage them according to specific policies set by the administrator. By using service level objectives (SLOs), administrators can define the performance criteria for various applications and workloads. gWLM continuously tracks these workloads, ensuring that they adhere to the defined SLOs, thus maintaining a high level of application performance.

The software employs resource pools, which segment resources such as CPU, memory, and I/O bandwidth among different workloads based on predefined priorities. This capability ensures that critical applications receive the resources they require, even during peak usage periods, thereby preventing resource starvation that could lead to system slowdowns or crashes.

Another significant characteristic of gWLM/WLM is its real-time monitoring and reporting capabilities. The software provides detailed insights into resource utilization, workload performance, and system health. Administrators can access this information through a user-friendly interface, allowing for informed decision-making and proactive management.

Integration with HP Serviceguard adds another layer of functionality, enabling high availability for critical applications. gWLM can orchestrate workload migration to ensure that service levels are maintained, even in the event of hardware failures or resource contention.

The technology behind gWLM/WLM is built on advanced algorithms that leverage historical data and predictive modeling to optimize resource allocation dynamically. This means that as workloads change, the system can automatically adjust resource distribution to meet performance targets without the need for constant manual intervention.

gWLM also supports integration with various enterprise management tools, enabling administrators to implement comprehensive monitoring and management strategies across the IT infrastructure. The scalability of gWLM allows organizations of all sizes to benefit from its robust workload management features, ensuring that they can adapt to changing demands in their operational environments.

In summary, HP-UX 11i Workload Management software offers a sophisticated solution for optimizing resource utilization, managing workloads effectively, and maintaining high performance in complex enterprise environments. Its comprehensive features and technologies make it an essential tool for any organization seeking to enhance their IT operations.