HP XP7 Storage - Manual (Page 313)

A maximum of 127 dots is shown in the graph. The following information appears over a dot in
the graph depending on where the cursor is placed.
•
Capacities, average I/Os, and total I/Os appear if the cursor is placed on the dot of the
Tier1, Tier2, Tier3, Volume or the Volume(Weighted average).
•
The lower value of the average I/Os appears if the cursor is placed on the dot of the Tier1
Range or the Tier2 Range.
The following table describes these items.
Description Item
The capacity (GB) of the area from the dot of the maximum value on the vertical
scale to a specified dot. The capacity of the dot on the vertical scale is 0.00 GB. Capacities
All I/Os are sorted into 127 sections. The average I/O is the representative I/O
number assigned to each section, based on the definition of the storage system.
By the total number of I/Os, the number of dots may be 127 or less. Average I/Os
The total number of I/Os in the section from the dot of the maximum value on the
vertical scale to a specified dot. The total I/Os is calculated using the average Total I/Os
I/Os and capacities in the specified section. If the specified dot is on the vertical
scale, the total I/Os is zero.
When no I/Os are in the lower tier with multiple tiers, the tier range line is placed at 0 on the
vertical scale.
View Tier Properties window 313