Administrator Guide

Change the Period of Data to Display on the IO Usage Tab
You can display data for the last day, last 3 days, last 5 days, last week, last month, or a custom time period.
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 Click one of the following buttons to change the period of IO usage data to display:
• Last Day: Displays the past 24 hours of IO usage data.
• Last 3 Days: Displays the past 72 hours of IO usage data.
• Last 5 Days: Displays the past 120 hours of IO usage data.
• Last Week: Displays the past 168 hours of IO usage data.
• Last Month: Displays IO usage data for the past month.
• Custom: Displays options that allow you to specify the start time and the end time of the IO usage data to display.
4 If you clicked Custom, perform the following tasks to specify the start time and end time of the IO usage data to display.
To specify the start time:
a Select Other from the Start Time drop-down menu.
b Select the start date of the time period to display from the date drop-down menu calendar.
c Specify the start time of the time period in the time eld.
To set the start time to the beginning of the day, select the Start of Day check box.
d Click Update to display IO usage data using the specied start time.
To specify the end time:
a Clear the Use Current check box.
b Select the stop date of the time period to display from the date drop-down menu calendar.
c Specify the stop time of the time period in the time eld.
To set the stop time to the end of the day, select the End of Day check box.
d Click Update to display IO usage data using the specied end time.
Display the Comparison View
Use the Comparison View to compare historical IO usage for storage objects.
1 Click the Storage view.
2 Select a Storage Center from the Storage pane.
3 Click IO Usage tab.
4 Click Select View on the IO Usage navigation pane.
5 Select Comparison View from the drop-down menu.
The options on the IO Usage navigation pane are replaced with Comparison View options.
6 Select the check boxes of the storage objects to compare from the IO Usage navigation pane.
NOTE
: The Comparison View cannot compare more than 10 objects at one time.
7 Click Update.
The Total IO/Sec and Total MB/Sec charts appear by default and display the total IO usage for writes and reads, in IO/sec and MB/
Sec, for the selected storage objects.
8 Select the check boxes of additional charts to display:
NOTE
: The charts that can be displayed depend on the storage objects that were selected in Step 6.
• Write IO/Sec: Displays writes, in IO/sec, for the selected storage objects in a single chart.
• Read IO/Sec: Displays reads, in IO/sec, for the selected storage objects in a single chart.
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