HP Capacity Advisor 7.2 User Guide

With percentage of time limits....................................................................................30
Scope of utilization limits................................................................................................30
Adjusting power.....................................................................................................................31
Power cap data.................................................................................................................31
Automating solution generation: HP Smart Solver........................................................................32
HP Smart Solver: Types of solutions......................................................................................32
Determining trends in Capacity Advisor.....................................................................................32
Aggregation of points in business interval bins.......................................................................33
Choosing an appropriate business interval.......................................................................33
Exclusion of data points......................................................................................................33
Factors that affect data validity.......................................................................................33
Linear regression................................................................................................................34
Error analysis....................................................................................................................34
Forecasting growth.................................................................................................................34
The forecast model hierarchy...............................................................................................34
Forecast model attributes.....................................................................................................35
4 Procedures..............................................................................................37
Accessing Capacity Advisor.....................................................................................................37
Gathering data for Capacity Advisor........................................................................................37
Data retention period.........................................................................................................38
Impact of data collection on managed system performance.....................................................38
Data collection options.......................................................................................................38
About the HP Capacity Advisor Data Collection Service..........................................................39
Solving utilization data collection problems.......................................................................40
Configuring data metrics to better reflect your environment......................................................40
Collecting data without using an agent.................................................................................41
Listing systems currently in the configuration file.................................................................41
Setting advanced options in the agentless data collection file..............................................41
Data collection and the HP Capacity Advisor Consolidation software........................................42
Using Capacity Advisor with consolidation software server data..........................................42
Viewing the licensed servers...........................................................................................42
Working with Capacity Analysis.....................................................................................43
Importing data for use in Capacity Advisor...........................................................................43
From the Optimize menu — Import HP OVPA Data ...........................................................43
From the Optimize menu — Import HP ICperf Data............................................................44
From the command line..................................................................................................44
Ascertaining the data collection availability for a set of servers...........................................45
Possible sources of discrepancies in collected data.................................................................45
No data collected for a managed node...........................................................................45
Data timestamp appears to be incorrect...........................................................................45
Dynamic memory in HP Integrity virtual machines..............................................................45
Producing graphs and reports..................................................................................................46
Using the Profile Viewer......................................................................................................46
Using the report wizard......................................................................................................49
The report wizard..........................................................................................................50
Creating an historic utilization report...............................................................................51
Creating a scenario utilization report...............................................................................52
Using the report wizard to create a scenario comparison....................................................52
An example scenario comparison report......................................................................53
Calculating a virtualization consolidation ratio.............................................................54
Creating a consolidation candidates report......................................................................54
Creating a cost allocation report.....................................................................................55
Creating a peak summary report.....................................................................................55
4 Contents