HP 3PAR StoreServ 7000 Storage - Manual (Page 93)

providing you are using a browser that supports html5 canvas tags (the latest versions of Windows
IE9, Firefox, and Google Chrome browsers currently offer this support).
Chart Types
Stacked charts stack data on top of each other so you can also see totals. However, since the total
height of the stacked charts (with Stacked Bars, Stacked Vert Bars andStacked Area charts) is the
sum of the individual segments, they are not suitable for some forms of data. For example, in
performance charts, the average service time for I/O is not the sum of the average service time
for reads plus the average service time for writes. Similarly, the average I/O size for I/O is not
the sum of the average I/O sizes of reads plus the average I/O size of writes. Therefore, when
you select stacked charts, only the total service time and total I/O sizes are shown. If you want to
see the service time and I/O sizes for reads and writes separately, select Bars, Vert Bars. orLines
from the ChartType list.
Creating Custom Reports 93