HP XP P9000 Performance Advisor Software v5.5 User Guide (T1789-96337, Februrary 2013)

Component levels in the Statistics section
When you click a status icon in the Frontend, Cache, Backend, or the MP Blade category, the
related component usage data appears in the Statistics section.
DescriptionComponent levels
Indicates that the usage of a component corresponding to
a particular metric has crossed the threshold limit during
Components with a red status icon beside them ( )
the specified threshold duration. In such cases, the status
icon also appears as for the appropriate category in
the XP/P9000 Array Health section.
Can include the following:Components shown as black text
• The components whose usage corresponding to a
particular metric is at 95% of the threshold limit or
higher during the specified threshold duration. The status
icon in such cases appears as in the appropriate
category, if there are no other components that are over
utilized in that category.
• The components whose usage corresponding to a
particular metric is within 95% of the threshold limit
during the specified threshold duration. The status icon
in such cases appears as in the appropriate
category, if there are no other components that are over
utilized or nearing the set threshold limits in that
category.
NOTE: You can sort the component records in the Statistics section based on their current state.
The critically utilized components are displayed first followed by those components whose usage
is nearing or within the set threshold limits.
For the Frontend, Cache, Backend, or MP Blade category, select components in the Statistics section
and view their usage graphs for the associated metrics. You can view the maximum X busiest
components associated with a port, RAID group, or an MP blade in the Components Information
section. For more information, see “Dashboard busiest consumers” (page 112).
Dashboard statistics and threshold metrics
The following table lists the metrics that are displayed for the Frontend, Cache, Backend, and the
MP Blade categories in the Statistics section.
IMPORTANT:
• The Avg CHA MP Util (%) and the Avg DKA Pair Util (%) metrics are applicable only for the
XP disk arrays.
• The Avg MP Blade Util (%) metric is applicable only for the P9000 disk arrays.
DescriptionMetricsCategory
Avg Port IOPS, Avg Port MBPS:
Average of the I/Os and MB/s usage
Avg Port IOPS, Avg Port MBPS, and
Avg CHA MP Util (%)
Frontend
on individual ports in the XP or the
P9000 disk array frontend.
Avg CHA MP Util (%): Overall
utilization of the individual MPs on each
installed CHA.
Cache utilization and write pending
data.
Cache Usage (%), Write Pending (%)Cache
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