HP Insight Capacity Advisor 6.0 Software: User Guide

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Table of Contents

1 Introduction...................................................................................................................11

Setup considerations.............................................................................................................................12

Licensing requirements...................................................................................................................12

Installation.......................................................................................................................................12

Collection methods..........................................................................................................................12

Disk space requirements..................................................................................................................12

Credentials.......................................................................................................................................13

Dependencies...................................................................................................................................13

Upgrades and reinstallation.................................................................................................................13

Upgrading agents on HP-UX or OpenVMS managed systems......................................................13

Navigating within HP SIM, Virtualization Manager, and Capacity Advisor......................................13

2 Features.........................................................................................................................15

Data collection.......................................................................................................................................16

Data collection infrastructure..........................................................................................................16

Supported collection configurations...............................................................................................17

Comparison of agentless and UP data collection............................................................................18

HP PMP data differs from Utilization Provider data......................................................................19

Differences in memory data ......................................................................................................19

Differences in network data ......................................................................................................19

Related topics........................................................................................................................19

Experimentation....................................................................................................................................19

Sizing for service level objectives..........................................................................................................21

Modeling considerations......................................................................................................................22

Capacity Advisor commands...............................................................................................................22

3 Key Capacity Advisor concepts..................................................................................23

Capacity planning goals.......................................................................................................................23

Quality of service ............................................................................................................................23

Utilization monitor, calculator, and simulator.....................................................................................23

Data handling for virtual machines.................................................................................................23

Data normalization..........................................................................................................................24

Resources for which Capacity Advisor collects data............................................................................24

Upper bounds..................................................................................................................................24

Measuring and analyzing resource utilization.....................................................................................25

Peaks and sums................................................................................................................................25

Sampling interval.............................................................................................................................25

Headroom........................................................................................................................................25

Headroom star rating.................................................................................................................26

Interpreting the headroom star rating..................................................................................26

Missing or invalid data....................................................................................................................27

The affect of invalid data on HP Smart Solver solution finding................................................27

Utilization limits .............................................................................................................................27

Specifying utilization limits.......................................................................................................28

Sustained time limits.............................................................................................................28

Percentage of time limits.......................................................................................................28

Understanding utilization limit messages.................................................................................29

Percentage of allocation........................................................................................................29

With sustained limits............................................................................................................29

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