Viewing Usage Statistics About External Volumes In External Volume Groups; Example Of Usage Statistics Of An External Volume Group Usages Displayed In The List - HP XP20000 User Manual

Figure 22 Example of Usage Statistics of an External Volume Group Usages Displayed in the List
.
NOTE:
If the CU is not the monitoring target, all items in the row are displayed in italics. To monitor those
items, specify the CU as the monitoring target by using the Monitoring Option window.
The list displays the following items:
: When the green checkmark icon
graph illustrates changes in usage statistics for the external volume group.
ExG: This column indicates IDs of external volume groups. The letter E at the beginning of IDs in-
dicates the group is an external volume group.
Response Time: This column indicates the time for replying from an external volume group when
I/O accesses are made from storage system to the external volume group. The unit is milliseconds.
The average response time in the period specified at Monitoring Term is displayed.
Trans.: This column indicates the sizes of data transferred between the storage system and the
external volume group in one second.
CLPR: This column indicates numbers and names of CLPRs corresponding to each external volume
group in the format CLPR-number:CLPR-name. For details on CLPRs, see HP StorageWorks
XP24000/XP20000 Disk/Cache Partition User Guide.

Viewing Usage Statistics about External Volumes in External Volume Groups

Performance Monitor monitors external volumes in external volume groups and displays the usage
statistics of external volumes. Performance Monitor also displays a graph that illustrates changes in
the usage statistics of external volumes within that period.
You can view the usage statistics about external volumes only when you select shortrange for the
storing period of statistics.
To view usage statistics about external volumes in an external volume group:
1. Ensure that the Auto LUN window is displayed.
2. In the tree, click the Physical tab.
3. In the list above the tree, select shortrange for the storing period of statistics.
If you select longrange, no statistics appears in the list.
4. In the tree, select the External Group folder.
The folder opens and a list of external volume groups is displayed below the folder.
5. Select the desired external volume group.
The list on the right displays usage statistics about external volumes in the specified external
volume group. The displayed statistics are the average and the maximum usage rates for the
period specified in the From and To boxes.
is displayed on the left of an external volume group, the
XP24000/XP20000 Performance Monitor User Guide 67