Administrator Guide

Table Of Contents
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.
Write MB/Sec: Displays writes, in MB/sec, for the selected storage objects in a single chart.
Read MB/Sec: Displays reads, in MB/sec, for the selected storage objects in a single chart.
Read Latency: Displays read latencies, in ms, for the selected storage objects in a single chart.
Write Latency: Displays write latencies, in ms, for the selected storage objects in a single chart.
Xfer Latency: Display data transfer latencies, in ms, for the selected servers or remote Storage Centers in a single
chart.
Avg IO Size: Displays average IO sizes for the selected storage objects in a single chart.
IO Pending: Displays pending IOs for the selected storage objects in a single chart.
9. Click Update.
Viewing Current IO Performance
The Charting tab is used to view and monitor current IO performance statistics for a Storage Center and associated storage
objects. The Comparison View on the Charting tab is used to display and compare IO usage data from multiple storage
objects.
Using the Charting Tab
Use the Charting tab to view current IO usage data for a Storage Center or associated storage object and compare IO usage
data for multiple storage objects.
NOTE: For user interface reference information, click Help.
View Current IO Usage Data for a Storage Center
Select a Storage Center on the Charting tab to view current IO usage data.
Steps
1. If the Storage Manager Client is connected to a Data Collector, select a Storage Center from the Storage view.
2. Click the Charting tab.
3. Select the Storage Center from the Charting navigation pane.
The IO Charts tab displays a chart that shows the IO usage data for the Storage Center.
4.
To refresh the IO usage data, click Refresh
on the Charting navigation pane.
5. To stop collecting IO usage data from the Storage Center, click the Stop button. To resume collecting IO usage data, click
the Start button.
314
Viewing Storage Center Information