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HP Global Workload Manager 7.3 and 7.3
Update 1 User Guide
Abstract
This document presents an overview of the techniques and tools available for using Global Workload Manager servers (or
gWLM). It exposes you to the essentials and allows you to quickly get started with gWLM. This document is intended to be
used by HP Matrix Operating Environment system administrators, application administrators, and other technical professionals
involved with data center operations, administration, and planning. An understanding of HP-UX system administration concepts
and procedures is assumed.
HP Part Number: T8672-90037
Published: March 2014
Edition: 1
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Strany 1 - Update 1 User Guide

HP Global Workload Manager 7.3 and 7.3Update 1 User GuideAbstractThis document presents an overview of the techniques and tools available for using Gl

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For more information on these system divisions, visit:• HP Matrix Operating Environment website:http://www.hp.com/go/matrixoe/integrity• The “Technica

Strany 3 - Contents

Table 1 Default weights by policy type (continued)Default weightPolicy type(You cannot deploy an SRD where all the workloads with fixed policies are n

Strany 4 - 4 Contents

2. Initialize the CMS by running the vseinitconfig command.For more information, see vseinitconfig(1M).3. Decide which systems will be your managed no

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Table 2 Where to find additional information (continued)See...To...The HP Matrix Operating Environment documentation website atLearn about using gWLM

Strany 6 - 1 Overview

2 Configuring gWLM to manage workloadsThis chapter describes the various aspects of configuring gWLM to effectively manage the resourcesfor your workl

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gWLM provides conditional policies that can detect the following HPServiceguard conditions:• SgReducedClusterCapacity: Detects whether any cluster mem

Strany 8 - 8 Overview

Choosing a policy typeHow do you decide which policy type to use? Table 3 answers this question for several commonuse cases. The section following the

Strany 9 - The gWLM management model

Combining the different policy typesEach workload in an SRD must have a policy. Starting with gWLM A.02.00.00.07, you can useany combination of the po

Strany 10 - 10 Overview

NOTE: You must be logged in as root on the systems where you run the mxstart, gwlmcmsd,and gwlmagent commands mentioned below. In System Insight Manag

Strany 11 - Assumptions

NOTE: You must be logged in as root on the systems where you run the mxstart, gwlmcmsd,and gwlmagent commands mentioned below. In System Insight Manag

Strany 12 - Finding more gWLM information

© Copyright 2004, 2014 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP required for possession, use or

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Common uses for gWLMgWLM is a powerful tool that allows you to manage your systems in numerous ways. The followingsections explain some of the more co

Strany 14 - Policy types

Resizing a workload’s npar, vpar, VSP, virtual machine, pset, or fss group as neededTo ensure a workload gets the CPU resources it needs—while also al

Strany 15 - Policy types 15

Changing from advisory mode to managed modeAdvisory mode allows you to see what CPU resource requests gWLM would make for aworkload—without actually a

Strany 16 - Choosing a policy type

where hostname represents the hostname of the CMS.3. From the System Insight Manager menu bar, select:Tools→HP Matrix OE visualization...and then clic

Strany 17 - Getting started with gWLM

where hostname represents the hostname of the CMS.3. From the System Insight Manager menu bar, select:Tools→HP Matrix OE visualization...and then clic

Strany 18 - Seeing gWLM in action

1. Ensure in System Insight Manager, the gWLM CMS daemon or service (gwlmcmsd), and allthe gWLM agents (gwlmagent) are still running, as explained in

Strany 19 - Seeing gWLM in action 19

NOTE: When gWLM manages a VSP, it sets the OLSTARPOLICY policy parameter of the VSPto GUEST. The status of the OLSTARPOLICY policy parameter does not

Strany 20 - Common uses for gWLM

3 Monitoring workloads and gWLMThis chapter describes how to monitor workloads and gWLM.Monitoring workloadsThere are several methods for monitoring w

Strany 21 - Common configuration tasks

Monitoring gWLM from the command lineThere are several command-line tools for monitoring gWLM. These commands are added to thepath during installation

Strany 22 - Creating a new policy

Table 4 gWLM log files (continued)LocationLog forWindows: C:\Program Files\HP\Virtual ServerEnvironment\logs\gwlm.log.0HP-UX: /var/opt/gwlm/gwlmcomman

Strany 23 - Editing a policy

Contents1 Overview...6gWLM Overview...

Strany 24 - Stop managing a workload

Viewing HP Systems Insight Manager eventsgWLM allows you to configure a number of events you can monitor through System Insight Manager.Set these even

Strany 25 - Stop managing an SRD

4 SecurityThis chapter highlights several security items you should be aware of.General security topicsThe following items are a few general topics on

Strany 26 - Quick Link Option

3. Set the following properties as desired:• oracle.net.encryption_types_client• oracle.net.crypto_checksum_types_clientFor more information on these

Strany 27 - Monitoring workloads

5 Additional configuration and administration tasksThis chapter covers various configuration and administration tasks.Manually adjusting CPU resources

Strany 28 - Message logs

gWLM cannot take advantage—even temporarily—of resources added by:• Adjustments to entitlements for virtual machines.• Changes to a virtual machine&ap

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Setting cache size for historical configuration dataThe gWLM CMS daemon or service (gwlmcmsd) maintains a cache of historical configurationdata of wor

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If you are using Transact-SQL to create the maintenance plan, use the following SQL statements:USE gwlmGOALTER INDEX ALL ON gwlm_config_wkld REBUILDGO

Strany 31 - 4 Security

# Specify the size (in MB) and number of files to use # for logging. For a single file of unlimited size, set# logFileSize to negative one (logFileSi

Strany 32 - 32 Security

## Support for real-time graphing properties.## viewport:# The size of the displayed real-time graph (in minutes).## refresh:# The ref

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gwlmagent.properties on Windows. (The given Windows path is the default; however, adifferent path might have been selected at installation.)NOTE: You

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5 Additional configuration and administration tasks...33Manually adjusting CPU resources...

Strany 35 - Tips for backup and restore

# each managed nPartition where you want to take advantage of iCAP. Also, # each nPartition must meet the requirements outlined in the online help # t

Strany 36 - Setting gWLM properties

On HP-UX, you can control whether the gWLM CMS daemon (gwlmcmsd) and its agent daemonson the managed nodes (gwlmagent) start at boot by:• Manually set

Strany 37 - Setting gWLM properties 37

2. (Optional) Edit the propertycom.hp.gwlm.node.HA.minimumTimeoutin the file /etc/opt/gwlm/conf/gwlmagent.properties to set the minimum numberof secon

Strany 38 - Agent properties

For information on enabling and viewing these events, refer to Optimize→Global WorkloadManager→Events.You can then view these events using the Event L

Strany 39 - Setting gWLM properties 39

1. Delete the deployed.config file on each managed node:# rm -f /etc/opt/gwlm/deployed.config2. Force an undeploy of the SRD (named SRD below) to ensu

Strany 40 - Communications ports

Nesting partitionsgWLM allows you to form SRDs consisting of various compartment types. This ability providesflexibility in dividing your complex. For

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Changing the gWLM resource allocation intervalThe frequency of gWLM’s changes in the CPU resource allocations is an attribute of the SRDs.Once you cre

Strany 42 - Related events

processes, each consuming an entire logical CPU, the reported utilization depends on where thoseprocesses are. If the processes are on only two cores,

Strany 43 - Manually clearing an SRD

Figure 3 shows a management LAN in which the hosts are known as mgmtA, mgmtB, mgmtC, andmgmtD. With this management LAN, gWLM can manage the hosts in

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This issue is most often a concern when a host is connected to both of the following items:• A corporate LAN/WAN via one network interface card and IP

Strany 45 - Nesting partitions

Compatibility with PRM and WLM...57Rare incompatibility with virtu

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[mysystem#2] > nslookup mysystem Trying DNS Name: mysystem.mydomain.com Address: 15.11.100.17c. Verify that /etc/hosts has the same name co

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6 Support and other resourcesThis chapter contains support information and the available resources for the HP Global WorkloadManager (gWLM) servers.In

Strany 48 - Creating “Golden Images”

Registering for software technical support and update serviceInsight Management includes one year of 24 x 7 HP Software Technical Support and UpdateSe

Strany 49 - mysystem

Key The name of a keyboard key. Return and Enter both refer to thesame key.Term A term or phrase that is defined in the body text of the document,not

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7 Documentation feedbackHP is committed to providing documentation that meets your needs. To help us improve thedocumentation, send any errors, sugges

Strany 51 - 6 Support and other resources

A Compatibility with agentsThe gWLM CMS runs on HP-UX 11i v2 (B.11.23), HP-UX 11i v3 (B.11.31), and Microsoft Windowssystems. It works with the follow

Strany 52 - Typographic conventions

B Global Workload Manager known issuesThis appendix contains the limitations and known issues for the Global Workload Manager.LimitationsThe following

Strany 53 - Typographic conventions 53

• A change in the browser locale setting is reflected in:VSEMgmt software at the start of the next user-interface action◦◦ System Insight Manager at t

Strany 54 - 7 Documentation feedback

# /opt/wlm/bin/wlmd -kRare incompatibility with virtual partitionsDepending on workload characteristics, gWLM can migrate CPU resources rapidly. This

Strany 55 - A Compatibility with agents

result in a high enough number of events that the performance of the System Insight Manager CMSis adversely affected.WorkaroundThe following options a

Strany 56 - Limitations

1 OverviewThis chapter provides an overview of gWLM, including benefits, key concepts and terms, and thegWLM management model.gWLM OverviewgWLM allows

Strany 57 - # /opt/prm/bin/prmconfig -r

configuration, if the SRD is undeployed before upgrading the agents, the re-deployment of the SRDwill fail with an error message. If the SRD was left

Strany 58 - # /opt/wlm/bin/wlmd -k

iCAP compliance warninggWLM might give the following warning:Warning: gwlmagent cimserver error, icapd down, or icap out ofcompliance. First restart c

Strany 59 - Limitations 59

Engine marks the database as RESOURCE PENDING. In either case, user action is required torecover from the issue.WorkaroundHP recommends a regular data

Strany 60 - # psrset -d all

gwlm history --purge=302. Automatically remove the old configuration data from the gWLM database.To remove data automatically, the following propertie

Strany 61 - Major issues

Combining psets and virtual partitionsWhen using psets on virtual partitions, assigning CPUs to virtual partitions by either path or cellspecification

Strany 62 - Documentation or minor issues

Missing or unexpected historical data (system clocks differ)You might have no historical data available for graphing, even though you are certain an S

Strany 63 - CMS is slow to respond

Application hangs in fss groupOn HP-UX 11i v2 (B.11.23), an application inside an fss group might hang when running in asingle-processor virtual parti

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Starting management of monitored workloads with pset compartmentsIf you attempt to manage a set of monitored workloads by applying a policy and managi

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Missing historical data (gWLM CMS daemon/service restarted)You might have blank sections of a historic report for a workload, or you might see the fol

Strany 66 - Changes in sizes in Discovery

IndexAadvisory mode, 17advisory mode to managed mode change, 22automatic restart gWLM managed nodes in SRD, 41Ccommunication ports, 40compartment, 7co

Strany 67 - # gwlmagent

Concepts and terms for using gWLMHere are some concepts and terms to know when using gWLM:Workload The collection of processes executing within a sing

Strany 68 - SRD undeployed

node failed to rejoin SRD, 43stop managing, 25startup behavior, 40support, 51Ttabs and menus, 17typographic conventions, 52Uunable to create new nativ

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Mode Two modes are available: advisory and managed. Advisorymode allows you to see what CPU resource requests gWLMwould make for a workload—without ac

Strany 70 - 70 Index

Undeploy Disable gWLM’s management of resources in a specifiedSRD.If an SRD is in managed mode, undeploying stops themigration of system resources amo

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