Monitoring Controllers
When the MegaRAID Storage Manager software is running, you can see the status of all the controllers in the left panel. If a controller is operating normally, the controller icon looks like this:
. If a controller has failed, a small red circle appears next to the icon.
To display the complete controller information, click on a controller icon in the left panel of the MegaRAID Storage Manager main menu. The controller properties appear in the right panel as shown in the following figure. Most of the information on this tab is self-explanatory.
Figure 101. Controller Properties

The Rebuild rate, Patrol read rate, Reconstruction rate, Consistency check rate, and BGI rate (background initialization) are all user selectable. For more information, see .
The SuperCap Present field indicates whether a SuperCap backup unit is installed.
WARNING Do not hot plug the SuperCap when power is supplied to the controller card or if there is residual charge on the SuperCap, doing so might damage both the SuperCap and the controller card.
The controller properties are defined in the Glossary.