Capacity Advisor lets you test configuration changes before actually
making them in your data center, and helps you manage existing resources to
improve their utilization. For example, Capacity Advisor assists you in answering
questions such as the following:
Is there room on this system to support additional work?
Will this workload fit on this system?
Can these servers be consolidated as virtual machines on a
single server?
Capacity Advisor obtains data for
analysis from either of the following:
HP Utilization WBEM Provider
OpenView Performance Agent (OVPA) data from the managed systems (from the command line
only)
Capacity Advisor enables you to collect data and create visualization
charts of:
Capacity Advisor enables you to create scenarios for what-if planning
and forecasting, performing tasks such as the following:
Move workload between systems
View and disable scenario changes
Collect utilization data for workloads
Import existing workload profile
In the data collection infrastructure, each component plays a role,
as shown in Figure 2–1.
| 1 | Use the web browser to work with Capacity
Advisor and exploit its features. |
| 2 | Scenario data is stored automatically
in the scenario database. |
| 3 | Use the scenario editor to identify workloads
and systems for which to collect data. |
| 4 | Use the Report Generator to create reports
to examine. |
| 5 | The Utilization Calculator uses historical
data collected over time to create reports. |
| 6 | You can import OVPA data into the historical database for analysis. |
| 7 | Automatic data conversion occurs
when importing OVPA data into the Capacity Advisor database. |
| 8 | Historical data is kept on the managed systems and for two years on the Central
Management Server (CMS). |
| 9 | VSE data on systems of interest is available
to the Capacity Advisor Data Collector. |
| 10 | The Data Collector gathers data from
the VSE database and includes it in the historical database. |
| 11 | The Utilization Provider enables use of the Data
Collector. |
For additional information about Capacity Advisor and how it fits into
the Virtual Server Environment, refer to The HP Virtual Server
Environment, Dan Herington and Bryan Jacquot, Hewlett-Packard
Development Co., 2006.
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