LEDs on the drives
The drives that are installed in a controller shelf or drive shelf include an Activity LED and an Attention LED.
The following figure shows the LEDs on the 2.5-inch drives.
Figure 1. LEDs on the 2.5-inch drives 


The following figure shows the LEDs on the 3.5-inch drives.
Figure 2. LEDs on the 3.5-inch drives 


| LED | Status | Description | 
|---|---|---|
| 1 Activity | Green | The drive has power. | 
| Blinking green | The drive has power, and I/O is in process. | |
| 2 Attention | Amber | An error occurred with the functioning of the drive. | 
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