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

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” (page 361) displays a sample Total I/O Rate
report for the P9500 Disk Array.
360 Sample reports