Dell Unity™ All Flash and Unity Hybrid Hardware Information Guide

2U, 25-drive DAE front view

On the front, the 2U, 25 disk drive DAE includes the following components:

• Disk drives in 2.5-inch carriers (hot-swappable)
• Status LEDs

Figure 1 shows the location of these components.

Table 1. 2U, 25-drive DAE descriptions

Location	Description	Location	Description
	2.5-inch 6-Gb/s SAS drives		Disk drive fault LED (amber)
	DAE fault LED (amber)		Disk drive status/activity (blue)
	DAE power status LED (blue)

Table 2 describes the 2U, 25 (2.5-inch) DAE and disk drive status LEDs.

Table 2. 2U, 25-drive DAE and disk drive status LEDs

LED	Location	Color	State	Description
DAE fault		Blue	On	No fault has occurred
		Amber	On	Fault has occurred
DAE power		Blue	On	Powering and powered up
		—	Off	Powered down
Disk drive fault		Amber	On	Fault has occurred
		—	Off	No fault has occurred
Disk drive on/activity		Blue	On	Powering and powered up
			Blinking	Disk drive activity