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Dell Unity™ All Flash and Unity Hybrid Hardware Information Guide

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3U, 15-drive DAE Front view

On the front, the 3U, 15 disk drive DAE includes the following components:

  • Disk drives in 3.5-inch carriers (hot-swappable)
  • Status LEDs

Figure 1 shows the location of these components.

Figure 1. Example of a 3U, 15 disk drive DAE (front view)
15-drive DAE front view with callouts
Table 1. 3U, 15-drive DAE descriptions
Location Description Location Description
3.5-inch disk drive carriers that hold 2.5- or 3.5-inch disk drives Disk drive fault LED
DAE fault LED Disk drive on/activity LED
DAE power on LED

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

Table 2. 3U, 15 disk drive DAE and disk drive LEDs
LED Location Color State Description
DAE fault Amber On Fault has occurred within DAE
DAE power Blue On Enclosure power on (main voltage)
— Off Enclosure power off
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
— Off Powered down

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