NOTE: If there are no data points available for the dates selected, blank chart is displayed. If all the
data values are zero for the dates selected, a chart with a horizontal line along X axis is displayed in
the center of the chart.
Read/Write Ratio by hour of day report
The Read/Write Ratio by hour of day report displays in a chart format, the ratio of read activity to write
activity, over a 24 hour period. It is for both sequential and random read, or write activity. Figure 16:
Read/Write Ratio by hour of day on page 308 displays a sample Read/Write Ratio by hour of day
report for a P9500 Disk Array.
Figure 16: Read/Write Ratio by hour of day
NOTE: If there are no data points available for the dates selected, blank chart is displayed. If all the
data values are zero for the dates selected, a chart with a horizontal line along X axis is displayed in
the center of the chart.
Read/Write Detail report
The Read/Write Detail report displays in a chart format, the total I/Os separated into different I/O types.
This includes sequential reads and writes and random reads and writes, displayed as the number of I/O
operations per second. The graph provides more detail than the previous graphs about the types of I/Os
occurring on an XP disk array. Figure 17: Read/Write Detail on page 309 displays a sample Read/Write
Detail by hour of day report for a P9500 Disk Array.
308 Read/Write Ratio by hour of day report
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