HP XP Performance Advisor Software - Manual (Page 140)

Figure 66 Total Frontend I/O Rate First Top 8 Array Groups
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.
Cache utilization reports
The cache utilization reports allow you to view in a chart format, the utilization of cache in the array, the
amount of data in the cache that is waiting to be written to a disk, read hits as a percentage of total
read operations, the total number of transfers per second, the total number of transfers over 24-hours,
cache side file utilization for asynchronous CA.
A sample of each report is given below:
Cache Utilization report
The Cache Utilization report shows in a chart format, the cache utilization in an array. Cache Utilization
shows a sample Cache Utilization report for XP1024.
140 Appendix