HP XP20000 User Manual page 80

1. Ensure that the Auto LUN window is displayed.
2. Click the LDEV tab.
The tree displays a list of parity groups and external volume groups.
3. Select MB/s from the list on the right side of the window.
4. In the tree, do one of the following:
To view the transfer rate for each parity group and external volume group, select the Subsystem
folder or a Box folder.
The list on the right displays the transfer rate for each group.
NOTE:
If you select the Subsystem folder, the list displays all parity groups and external volume
groups. To narrow the number of groups to be displayed in the list, select a Box folder.
For example, if you select the Box 1 folder, the list displays only the parity groups whose
IDs start with 1-.
To view the transfer rate for each volume, select the parity group or external volume group
that contains the volumes.
The list on the right displays the transfer rate for each volume in the selected group.
The displayed statistics are the average and the maximum transfer rates for the period specified
in the From and To boxes.
NOTE:
The list displays up to a maximum of 4,096 resources at a time. If the number of resources
exceeds 4,096, use Previous and Next to display the remaining resources.
If you change the date and time in the From and To boxes and then click Apply, Performance
Monitor recalculates usage rates and updates information in the list. To change the date and
time in From and To boxes, use the arrow buttons and the sliders (for details, see
of the Auto LUN
5. To display a graph to find out how the transfer rate has been changed, take the following steps;
a. In the list, select the parity groups, the external volume groups, or the volumes that you want.
b. Use the list at the right side of the list to select the type of information that you want to view
in the graph. For details on the information that can be displayed, see
c. Click Draw.
A graph appears below the list. The horizontal axis indicates the time.
CAUTION:
If the graph does not display changes in the transfer rate (for example, if the line in the
graph runs vertically), it is recommended that you change the value in the Chart Y Axis Rate
list. For example, if the largest value in the list is 200 and the value in Chart Y Axis Rate is
100, you should select a value larger than 200 from Chart Y Axis Rate.
d. To view more detailed information in the graph, use the list to the right of the list to select
the type of information that you want. Next, select the Detail check box at the lower right of
80 Performance Monitor Operations
Window" on page 37).
"LDEV Tab
Table 3 on page 42.