HP Matrix Operating Environment Software - Manual (Page 3)

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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