HP XP Array Manager Software - Manual (Page 32)

map volumes in an external storage system (storage system other than HP StorageWorks
XP24000/XP20000 Disk Array) to the internal volumes, you can view usage conditions of volumes
in the external storage system (that is, external volumes) and the groups of external volumes.
For details on how to use this window, see “ Monitoring Resources in the Storage System ” on page 61.
Figure 5 Physical Tab of the Auto LUN Window
.
When the Physical tab is active, the Auto LUN window contains the following items:
Description Item
Current monitoring status:
• Enable: Performance Monitor is monitoring the storage system.
• Disable: The storage system is not being monitored.
Monitoring Switch
Current interval of collecting statistics in short range monitoring.
For example, if the number of CUs to be monitored is 64 or less, 1 min. is displayed,
shortrange is selected as the storing period for statistics, and the list and graph in the
Physical tab display the statistics obtained every one minute.
When 65 or more CUs are monitored, the statistics are updated every 5, 10, or 15
minutes.
The gathering interval in long range monitoring is fixed to 15 minutes. If you select
longrange as the storing period of statistics, the list and graph display the statistics
obtained every 15 minutes regardless of the value of Gathering Interval.
For details on the storing period of statistics (short range and long range), see
“
Understanding Statistical Storage Ranges ” on page 16.
Gathering Interval
Using the Performance Monitor Windows 32