The disk drive controls various features of the . The disk array controller (DAC) uses this type of firmware. Disk drive firmware stores information about the system configuration
on an area of the disk drive called . DACstore and the disk drive firmware enable easier reconfiguration and migration of the disk drives.
The disk drive firmware includes these functions:
The disk drive firmware records the location of the disk drive in . If you take a disk drive out of a expansion drawer, you must insert it back into the same disk drive slot, or the disk drive
firmware cannot communicate with the or the other components.
RAID configuration information is stored in the disk drive firmware and is used to communicate with other RAID components.
You can download disk drive firmware with the Firmware Upgrade Utility or through the storage management software.