HP Matrix Operating Environment Software - Manual (Page 3)

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 Matrix OE and Capacity Advisor ...................................................................13
2 Features..................................................................................................15
Data collection.......................................................................................................................16
Data collection infrastructure................................................................................................16
Supported collection configurations......................................................................................18
Comparison of agentless and UP data collection....................................................................18
HP ICperf data differs from Utilization Provider data...............................................................19
Differences in memory data ...........................................................................................19
Differences in network data ...........................................................................................20
Related topics..........................................................................................................20
Experimentation.....................................................................................................................20
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.............................................28
Utilization limits ................................................................................................................28
Specifying utilization limits..............................................................................................28
Sustained time limits.................................................................................................29
Percentage of time limits............................................................................................29
Understanding utilization limit messages...........................................................................30
Percentage of allocation............................................................................................30
With sustained limits.................................................................................................30
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