4
NEC D3-10i Quick Start Guide
4
Hardware Component Features
This section describes and illustrates a few of important components that are accessible from the front and rear
of the base unit.
Array Front View
This section describes the array components accessible from the front.
Figure 3. Array Front View (with bezel removed)
Disk Drives and Dummy Trays
Base units and disk enclosures have 12 disk drive slots. To maintain proper airflow and thermal conditions,
each slot is filled with either a disk drive or dummy tray.
Figure 3, above, shows the drive numbering sequence for the slots.
Service LED and Power LED
The Service and Power indicators illuminate to indicate different operating conditions as follows.
Power LED
Service LED
Description
ON
OFF
Normal operating condition
ON
ON
Indicates that a maintenance request or maintenance task is in process
ON
Blinking
Depending on controller LED status (which is located at the rear of the unit),
can indicate that a power-on sequence, online download sequence, or
automatic download sequence is in progress
ON
ON 5 Seconds
OFF 7 Seconds
Indicates that a condition may exist that requires immediate technical
support from NEC
Blinking
OFF
Cache flushed, okay to power down if desired
OFF
OFF
Powered off
Table 2. Power LED and Service LED Status Conditions
Active/Fault LEDs
There is a single Active/Fault LED for each disk drive slot. These indicators use different color/blinking
indicators to signal different operating conditions for each respective drive as follows.
Active/Fault LED
Status
Green
Steady ON
Normal status (Ready)
Green
Blinking
Normal status (Accessing)
Green/Orange
Alternating
Performing RAID rebuild
Orange
Blinking
HDD low power condition
Orange
Steady ON
Abnormal status
Table 3. Active/Fault LED Status Conditions
Service LED
Power LED
Activity/Fault LED
Disk Drive or Tray
00
02
03
04
08
05
01
06
0A
09
07
0B
