Dell Storage Manager 2020 R1 Administrator's Guide

Display the Comparison View on the Charting tab

Use the Comparison View to compare current IO usage for storage objects.

1. If the Dell Storage Manager Client is connected to a Data Collector, select a Storage Center from the Storage view.
2. Click Charting tab.
3. Click Select View on the Charting navigation pane.
4. Select Comparison View from the drop-down menu.

   The options on the Charting navigation pane are replaced with Comparison View options.

5. Select the check boxes of the storage objects to compare from the Charting navigation pane.
   NOTE:The Comparison View cannot compare more than 10 objects at one time.
6. 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.

7. 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.
8. Click Update.