Disk drive LEDs
The LEDs on a disk drive indicates whether it is functioning normally or there are problems with the hardware.
Disk drive LEDs for DM240S and DM120S disk shelves
The following table describes the two LEDs on the disk drives used in DM240S and DM120S disk shelves:
Callout | LED name | State | Description |
---|---|---|---|
![]() | Activity | Solid green | The disk drive has power. |
Blinking green | The disk drive has power and I/O operations are in progress. | ||
![]() | Attention | Solid amber | An error occurred with the function of the disk drive. Check event messages to determine corrective action to take. |
Depending on your disk shelf model, disk drives are arranged vertically or horizontally in the disk shelf, dictating the location of the two LEDs.
The following illustration is for a disk drive used in a DM240S disk shelf.
DM240S disk shelves use 2.5-inch disk drives arranged vertically in the disk shelf.

The following illustration is for a disk drive used in a DM120S disk shelf.
DM120S disk shelves use 3.5-inch disk drives or 2.5-inch disk drives in carriers arranged horizontally in the disk shelf.

Disk drive LEDs for DM600S disk shelves
The following illustration and table describes the drive activity LEDs on the drive drawer and their operational states:

Location | LED | Status indicator | Description |
---|---|---|---|
1 | Attention: Drawer attention for each drawer. | Solid amber | A component within the drive drawer requires operator attention. |
Off | No drive or other component in the drawer requires attention and no drive in the drawer has an active locate operation. | ||
Blinking amber | A locate drive operation is active for any drive within the drawer. | ||
2-13 | Activity: Drive activity for drives 0 through 11 in the drive drawer. | Green | The power is turned on and the drive is operating normally. |
Blinking green | The drive has power, and I/O operations are in progress. | ||
Off | The power is turned off. |
When the drive drawer is open, an attention LED can be seen in front of each drive.

1 | Attention LED light on |