Hardware Component Features; Array Front View - NEC D3 Quick Start Manual

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.
00
04
08
Service LED
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
ON OFF
ON ON
ON Blinking
ON 5 Seconds
ON
OFF 7 Seconds
Blinking OFF
OFF OFF
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:
Green
Green
Green/Orange
Orange
Orange
NEC D3/D4 Quick Start Guide
01
05
09
Disk Drive or Tray
Figure 3. Array Front View (with bezel removed)
Normal operating condition
Indicates that a maintenance request or maintenance task is in process
Depending on controller LED status (which is located at the rear of the unit),
this can indicate that a power-on sequence, online download sequence, or
automatic download sequence is in progress
Indicates that a condition may exist that requires immediate technical
support from NEC
Cache flushed, okay to power down if desired
Powered off
Table 2. Power LED and Service LED Status Conditions
Active/Fault LED
Steady ON
Blinking
Alternating
Blinking
Steady ON
Table 2. Active/Fault LED Status Conditions
02
06
0A
Power LED
Description
Status
Normal status (Ready)
Normal status (Accessing)
Performing RAID rebuild
HDD low power condition
Abnormal status
03
07
0B
Activity/Fault LED
4