This topic provides information on drive LEDs.
Each hot-swap drive comes with an activity LED and status LED and the signals are controlled by the backplanes. Different colors and speeds indicate different activities or status of the drive. The following illustration shows the LEDs on a hard disk drive or solid-state drive.
|1 Drive activity LED (left)
|The drive is powered but not active.
|The drive is active.
|2 Drive status LED (right)
|The drive has an error.
|Blinking yellow (blinking slowly, about one flash per second)
|The drive is being rebuilt.
|Blinking yellow (blinking rapidly, about four flashes per second)
|The drive is being identified.