HP XP Performance Advisor Software - Manual (Page 137)

Figure 63 Total Backend I/O Rate First Top 8 LDEVs
NOTE:
If I/Os have occurred for less then 8 LDEVS in an array, only those LDEVs which have I/Os associated
will be displayed in the chart.
Total Backend I/O Rate First Top 8 Array Groups report
The Total Backend I/O Rate First Top 8 Array Groups report shows in a chart format, the real backend
I/O rate for the busiest 8 Array Groups. This can be compared to the potential maximum throughput of
the hardware. The maximum throughput varies depending on RAID level, disk mechanism type and other
factors such as the size of the individual I/Os. Total Backend I/O Rate First Top 8 Array Groups shows a
sample Total Backend I/O Rate First Top 8 Array Groups report for XP1024.
HP StorageWorks Performance Advisor XP Software user guide 137