HP Capacity Advisor 7.2 User Guide

Differences in network data
ICperf does not report the correct network I/O when network interface cards (NICs) are being
teamed for network fault tolerance (for example, by using HP Network Config utility).
That is, for a system with two NICs teamed as one single logical NIC, Utilization Provider reports
the addition of TX and RX Mbps for the teamed NIC.
ICperf adds the metrics from the two NICs, ignoring that they are working as a teamed NIC.
For a teamed configuration, the ICperf network utilization curve will always be twice that of the
Utilization Provider data.
If you know you have teamed NICs, or if you suspect your imported network data is twice as high
as it should be, you will want to instruct Capacity Advisor to ignore the imported data. When
logged in as a user authorized to use the Capacity Advisor toolbox on the CMS, you will be able
to mark data as invalid. You can do this from a profile viewer, or by using the capprofile
command.
Related topics
“Data handling for virtual machines” (page 23)
“Using the Profile Viewer” (page 46)
“Command reference” (page 193)
Experimentation
You can better understand Capacity Advisor by experimenting — considering different configurations
and workload placement trying them out in “what-if” scenarios. A scenario identifies the workload
demand profile that creates your experimental simulations.
When you do workload analysis in Capacity Advisor, you view graphs and reports that represent
CPU or memory utilization by time. For example, Figure 2 shows a graph of CPU utilization for a
single system over a one-month period.
Figure 2 CPU utilization for managed system puny03v8
1
Peak (highest) value.
Similarly, Figure 3 shows CPU utilization for a second system over the same period.
20 Features