Understanding the controller LEDs and displays

You can monitor the state of the hardware by using the LEDs and displays on the hardware and the Recovery Guru in System Manager. You can track events related to the operation of your storage array through the event log.

For 2U models, you can find LEDs on the following components:
For 4U models, you can find LEDs on the following components:

In addition to LEDs, each controller has a seven-segment display, which indicates the operational status of the controller.