System component description
VNX5500 Hardware Information Guide 15
3U, 25 (2.5-inch) DPE
On the front, the Block and File (Unified) VNX5500 platform 3U, 25 (2.5-inch) disk drive 
DPE includes the following:
◆ 2.5-inch 6-Gb/s SAS or 6-Gb/s NL-SAS drives (hot-swappable)
◆ Status LEDs
Figure 5 shows the location of these components.
Figure 5  VNX5500 platform 3U, 25 DPE carrier (front view)
Disk drive on/activity 
(location 5)
Green On Powering and powered up
Blinking, mostly 
on
Disk drive is on with I/O activity
Blinking at 
constant rate
Disk drive is spinning up or down 
normally
Blinking, mostly 
off
Disk drive is powered up but not 
spinning
Note: This is a normal part of the 
spin-up sequence, occurring 
during the spin-up delay of a 
slot.
— Off Disk is powered down
Table 2 VNX5500 platform 3U, 15 DPE and disk drive LEDs (continued)
LED Color State Description
1 2.5-inch 6-Gb/s SAS or 6-Gb/s NL-SAS 
drives
4 Disk drive fault LED (amber)
2 DPE fault LED (amber) 5 Disk drive status/activity (blue)
3 DPE power status LED (blue)
24
0
12345678910 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
1
2
45
VNX-000281
3