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62 Planning: MD3600f Series Storage Array Terms and Concepts
• Using the Performance Monitor to retrieve performance data can affect
the normal storage array performance depending on the polling interval
that you set.
• If the storage array you are monitoring begins in or transitions to an
unresponsive state, an informational dialog is displayed. The dialog
informs you that the Performance Monitor cannot poll the storage array
for performance data.
To monitor the performance of the arrays:
1
Open MDSM and select the appropriate storage array.
2
Open the
Array Management Window
(AMW) for the selected
storage array.
3
In the AMW, select
Storage Array
Monitor Performance
.
4
Click
Settings
.
a
Select the components that you want to monitor. You can monitor:
• RAID controller modules
•Virtual disks
• Storage array totals
NOTE: By default, all items are selected.
b
In
Polling interval
, select how often you want to update the
performance statistics.
NOTE: For an accurate elapsed time, do not use the Set RAID Controller
Module Clocks option while using the Performance Monitor.
Each time the polling interval elapses, the Performance Monitor queries
the storage array again and updates the statistics in the table.
5
Click
Start
.
Values are displayed for the selected storage arrays in the Performance
Monitor data table. The table is updated at the interval specified in the
Polling Interval setting.
6
Click
Update
to force an immediate poll of the storage array.
7
Click
Stop
to stop monitoring the storage array.
8
Click
Save As
on the
Performance Monitor
main dialog to save the
currently displayed performance statistics.
book.book Page 62 Tuesday, June 18, 2013 3:03 PM