Example Of External Volume Usage Rates Displayed - HP XP20000 User Manual

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
Window, Physical
6. To display a graph that illustrates changes in usage rate for external volumes, select the desired
external volumes in the list and then click Draw.
NOTE:
The range of monitoring and the gathering interval affects the time period represented by a
graduation on the horizontal axis.
Figure 23 Example of External Volume Usage Rates Displayed
.
NOTE:
If the CU is not the monitoring target, all items in the row are displayed in italics. To monitor those
items, you must specify the CU as the monitoring target by using the Monitoring Option window.
The list displays the following items:
: When the green checkmark icon
illustrates changes in usage rate for the external volume.
ExLDEV: This column indicates external volumes. The number on the left of the first colon from the
left is the LDKC number. The number on the left of the second colon from the left is the CU image
number. The number on the right of the second colon is the LDEV number. The pound or gate
symbol (#) at the end of numbers indicates the volume is an external volume.
Emulation: This column indicates device emulation types.
Response Time: This column indicates the time for replying from an external volume when I/O
accesses are made from storage system to the external volume. 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 in one second.
CLPR: This column indicates numbers and names of CLPRs corresponding to each external volume
group which the external volume belongs to, in the format CLPR-number:CLPR-name. For details
on CLPRs, see HP StorageWorks XP24000/XP20000 Disk/Cache Partition User Guide.
68 Performance Monitor Operations
Tab" on page 31).
is displayed on the left of a external volume, the graph
"Auto LUN