HP StorageWorks P9000 Performance Advisor Software v5.4 User Guide (T1789-96328, April 2012)

DescriptionMetrics
The frontend throughput in MB/s read and written to the LDEV during the specified threshold
duration.
Block IO MBPS
The average of the overall RAID group utilization of an individual RAID group associated
with the LDEV.
RG Util (%)
The I/Os between the cache and the RAID groups during the specified threshold duration.Backend Transfer
For a P9000 disk array, the average utilization of an individual MP blade by the associated consumer
is displayed under the Util % column. The average utilization is over the specified threshold duration.
In addition, the following details are displayed for the selected MP blade.
Additional detailsComponents Information section
The consumer ID.Consumer
The type (LDEV, continuous access journal group, E-LUN) to which the consumer
belongs.
Consumer Type
The processing type that is utilizing the assigned MP blade to process the consumer
requests. For more information on processing types, see Table 20.
Processing Type
To view the performance of component records or usage graphs in the Chart Work Area section,
select the component records and click Plot Charts. For more information, see “Dashboard
charts” on page 133.
Dashboard charts
The performance or usage graphs are displayed in the Charts Work Area section for the frontend,
cache, backend, and the MP blade components, only if the respective categories display the following
status icons in the XP/P9000 Array Health section:
•
Major ( )
•
Critical ( )
•
Normal ( )
To view the performance or usage graph for a component:
HP StorageWorks P9000 Performance Advisor Software User Guide 133