All storage shelf hard disk drives are housed in DDIC modules. Each disk drive drawer accepts a Disk Drive In Carrier (DDIC) module for each disk drive slot in the drawer. DDIC modules enable disk drives to be quickly inserted and removed without turning off the 5U84 storage shelves. In addition, each DDIC prevents mis-alignment and damage to the disk drive connectors during the disk drive insertion and removal process.
For troubleshooting purposes, DDIC modules provide one amber drive fault LED indicator per disk drive. The fault indicator enables you to easily identify a failed drive carrier in the drive drawer. You can see drive fault LED indicator when the disk drive drawer is open.