Administrator Guide

Viewing Historical IO Performance
The IO Usage tab is used to view and monitor historical IO performance statistics for a Storage Center and associated storage objects. The
Comparison View on the IO Usage tab is used to display and compare historical IO usage data from multiple storage objects.
Using the IO Usage Tab
Use the IO Usage tab to view historical IO usage data for a Storage Center or associated storage object, and to compare IO usage data
from multiple storage objects.
NOTE: For user interface reference information, click Help.
View Historical IO Usage Data for a Storage Center
Select a Storage Center on the IO Usage tab to view historical IO usage data.
1 If the Storage Manager Client is connected to a Data Collector, select a Storage Center from the Storage view.
2 Click the IO Usage tab.
3 Select a Storage Center object from the IO Usage navigation pane.
The IO Charts tab displays a chart that shows the historical IO usage data of the Storage Center.
4
To refresh the displayed IO usage data, click Refresh on the IO Usage navigation pane.
View Historical IO Usage Data for a Storage Object
Select a specic object in the IO Usage tab navigation pane to view historical IO usage data for the object.
1 If the Storage Manager Client is connected to a Data Collector, select a Storage Center from the Storage view.
2 Click the IO Usage tab.
3 Select a storage object from the IO Usage navigation pane.
4 Depending on the type of storage objects selected in Step 4 one or both of the following tabs appear:
• IO Charts: Displays charts that shows historical IO usage data.
– If a Storage Center is selected, the IO Charts tab displays IO usage data for the front end and back end connections of the
Storage Center.
– If a storage object is selected that has other storage objects assigned to it, the IO Charts tab displays calculated averages of
the IO usage data for all of the objects assigned to the selected storage object.
– If a storage object is selected that does not have storage objects assigned to it, the IO Charts tab displays the IO usage data
of the selected storage object.
• Most Active Report: Displays a table that shows the minimum, maximum, average, and standard deviation values of the historical
IO usage data.
The Most Active Report tab is displayed only if the selected storage object is one of the following container objects:
– Volumes or a volume folder
– Servers or a server folder
– Remote Storage Centers
– Disks or disk speed folder
5
To refresh the displayed IO usage data, click Refresh on the IO Usage navigation pane.
Viewing Storage Center Information
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