HP StorageWorks P9000 Performance Advisor Software v5.3 User and Troubleshooting Guide (T1789-96322, August 2011)

For P9000 disk arraysFor XP disk arraysDescriptionReport types
Yes
• The Findings section
provides a brief summary on
the status of the cache,
LDEVs, and the MP blades.
• The utilization summary of
the CHIP/CHA and
ACP/DKA MPs are not dis-
played in the Array Perform-
ance report - Findings sec-
tion.
Yes
The Findings section provides a
brief summary on the status of
the CHIPs, cache, ACP, and the
LDEVs.
The Array Performance report
provides the overall array
performance by measuring the
total I/Os, read and write I/Os
on that array. The Array
Performance report comprises
of the following reports:
• Total I/O Rate
• Total I/O Rate by hour of
day
• Total I/O Rate Detail
• Read-Write Ratio
• Read-Write Ratio by hour of
day
• Read-Write Detail
In addition, it includes a section
called Findings at the beginning
of the report.
Array Performance
NoYes
The ACP Utilization report
provides data on the utilization
of various installed ACP/DKA
pairs for the duration that you
specify. You can also view the
ACP Utilization by Hour of the
Day report that provides the
utilization data for all the
ACP/DKA pairs averaged over
a 24-hour period.
ACP Utilization
YesYes
The Cache Utilization report
provides data on the following:
• Utilization of cache
• Percentage of pending
writes
• Read hits as a percentage
of total read operations
• Total number of transfers per
second
• Total number of transfers
over the past 24-hours
• Cache side file utilization for
the continuous access asyn-
chronous transfers
Cache Utilization
Using reports326