HP Capacity Advisor 7.0 User Guide

Power cap data.................................................................................................................29
Automating solution generation: HP Smart Solver........................................................................30
HP Smart Solver: Types of solutions......................................................................................30
Determining trends in Capacity Advisor.....................................................................................31
Aggregation of points in business interval bins.......................................................................31
Choosing an appropriate business interval.......................................................................31
Exclusion of data points......................................................................................................31
Factors that affect data validity.......................................................................................31
Linear regression................................................................................................................32
Error analysis....................................................................................................................32
Forecasting growth.................................................................................................................32
The forecast model hierarchy...............................................................................................33
Forecast model attributes.....................................................................................................33
4 Planning with Capacity Advisor..................................................................35
Getting ready........................................................................................................................35
Task: Understand current resource usage....................................................................................35
Task: Plan server consolidation.................................................................................................35
Understanding the consolidation task...................................................................................35
Example consolidation: Stacking applications on an existing server.....................................36
Step 1: Determine which systems to consolidate............................................................37
Step 2: Create a scenario..........................................................................................37
Step 3: Edit the scenario............................................................................................38
Automating the consolidation task........................................................................................46
Example consolidation: Automating stacking on a what-if server..........................................47
Step 1: Determine which systems to consolidate............................................................47
Step 2: Create a scenario..........................................................................................47
Step 3: Edit the scenario............................................................................................48
Task: Estimating the effect of adding or moving processors...........................................................50
Task: Determining where to put a workload using automated solution finding.................................51
Example: Determining where to put a workload.....................................................................52
Task: Estimating potential power savings across a range of server models......................................53
Example: Estimating potential power savings.........................................................................53
Collect data for a period of time that fully reflects your business cycle(s)...............................53
Check power calibration on existing servers......................................................................53
Create a planning scenario............................................................................................53
Create a what-if representation of a new HP server............................................................54
Run a utilization report that includes power selections........................................................55
Move workloads from the older servers to the newer server.................................................57
Run a utilization report that includes power selections........................................................57
5 Procedures..............................................................................................59
Accessing Capacity Advisor.....................................................................................................59
Gathering data for Capacity Advisor........................................................................................59
Impact of data collection on managed system performance.....................................................60
Data collection options.......................................................................................................60
About the HP Capacity Advisor Data Collection Service..........................................................61
Solving utilization data collection problems.......................................................................61
Configuring data metrics to better reflect your environment......................................................62
Collecting data without using an agent.................................................................................62
Listing systems currently in the configuration file.................................................................63
Setting advanced options in the agentless data collection file..............................................63
Data collection and the HP Capacity Advisor Consolidation software........................................63
Using Capacity Advisor with consolidation software server data..........................................64
Viewing the licensed servers...........................................................................................64
Importing data for use in Capacity Advisor...........................................................................64
4 Contents