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

In addition, it includes a section called Findings at the beginning of the report.
IMPORTANT:
The Findings section for an XP disk array provides a brief summary on the status of the CHIPs,
cache, ACP, and the LDEVs.
The Findings section for a P9000 disk array provides a brief summary on the status of the cache,
LDEVs, and the MP blades.
The utilization summary of the CHIP/CHA and the ACP/DKA MPs are not displayed in the Array
Performance report - Findings section for the P9000 disk arrays.
Following is a sample Findings section for a P9500 Disk Array:
NOTE:
The backend transfer is the block of data that is transferred between the XP or the P9000 disk array
cache and the RAID groups. Every read cache miss results in a backend transfer.
A sample of each report is given below:
Total I/O Rate report
The Total I/O Rate report displays in a chart format, the number of total read and write I/O operations
over the entire period. Total I/O Rate on page 403 displays a sample Total I/O Rate report for the
P9500 Disk Array.
Sample reports402