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Chapter 3: Maintenance and Component Installation
SAS Backplane Information
The ASG -1014S-ACR12N4H comes with three backplanes for four 3.5" SATA3 or SAS3
HDD drives (BPN-SAS3-802A-3). These backplanes have their own two LED indicators for
activity and status as shown in the figure and table below.
Note:
Two of the four LEDs on the backplanes are currently not used for this server and are
not active.
Figure 3-4. Backplane LEDs
Backplane LED Activity/Status
LED
Color
Status
Blinking Pattern
Applicable to Devices
ACT LED
Green or Blue Activity
Blinking during I/O
SAS/SATA
Green or Blue Standby
Solid On or Stay Off
SAS/SATA
Green or Blue Activity/Formatting
Blinking during I/O
SAS/SATA
Formatting under OS
STATUS
Red
Locate HDD
Fast Blink @ 4Hz
SAS/SATA
Red
HDD Fail
Solid On
SAS/SATA
Red
Rebuild
Slow Blink @ 1Hz
SAS/SATA
Red
Hot Spare
Repeating 2 Fast Blink
plus pause
SAS/SATA
Red
Formatting
Fast blink @ 4 Hz
SAS/SATA
Formatting under AOM