HP Capacity Advisor 7.2 User Guide

To return to a planning checklist:
• Estimating potential power savings across a range of servers (page 149)
Calibrating power within a scenario
This screen allows you to define the power calibration parameters for simulated systems in a
scenario. These power settings specify whether or not to calibrate power, and if so, which settings
to use for the calibration.
This section describes the procedures for calibrating power for a single or for multiple systems
within a planning scenario.
Automatic power calibration options are not available from within scenarios as you are not
interacting with real systems. You can choose to have no calibration in effect, or you can manually
supply values.
By calibrating power in a scenario, you can view estimated effect on power usage and costs due
to changes that you make in the scenario. The resulting calculated metrics are viewable in Capacity
Advisor reports and the profile viewer.
NOTE:
When a scenario is created, the initial idle and maximum power values of any actual system that
is being simulated in the scenario are taken from current measurements in the Matrix Operating
Environment.
These values remain constant once the scenario is created, unless you manually change them using
this screen. A later re-calibration performed on actual systems seen in the Matrix Operating
Environment does not modify the power calibration of existing scenarios.
What-if systems (for example, systems created by the Smart Solver that do not physically exist) can
only be manually calibrated.
For overview information, see “Adjusting power” (page 31).
Getting there
Power settings apply only within a selected scenario.
Prerequisites
You will need Capacity Advisor tool box permissions on the CMS or “Matrix OE All Tools”
permissions on the managed systems where you want to calibrate power. (See Access &
authorizations.)
Procedure 43 Open an existing scenario
1. View the list of scenarios. (Optimize→Capacity Planning→View Planning Scenarios)
2. Select a scenario to edit by clicking on the scenario name (or check the check box next to the
desired scenario and select Modify→Edit Planning Scenario).
The scenario opens on the Edit Scenario: System tab
Choose physical systems only:
Power settings can only be adjusted for entire physical systems.
Calibrating a single system
There are multiple paths to edit the power settings for a single system:
88 Procedures