Disk Drive Carrier Module Leds; Expansion Module Leds; Expansion Module Led States - IBM 106 Hardware Installation And Maintenance Manual

Disk drive carrier module LEDs

Disk drive status is monitored by an amber LED mounted on the front of each drive carrier module, as
shown in the following figure.
Figure 60. Top view of LFF disk drive module
LED Description
1 Not currently used
2 Identify and fault

Expansion module LEDs

IOM/EBOD expander module status is monitored by the LEDs located on the faceplate.
See also Figure 16 on page 19. LED behaviors for expansion enclosures are described in Table 7 on page
57. For actions pertaining to Table 7 on page 57, see Actions below.
Table 7. Expansion module LED states
CRU OK (Green)
On
Off
Definition
Blinking amber means the disk drive module is identifying.
Solid amber means the disk drive module has failed.
Off means the disk drive module is operating normally.
CRU Fault (Amber)
Off
On
SAS port activity
(Green)
Off
On
Blinking
Chapter 6. Troubleshooting and problem solving 57
Status
Expansion module OK
Expansion module fault
– see "Replacing an
IOM/EBOD expander
module" on page 78
No external port
connection
HD mini-SAS port
connection – no activity
HD mini-SAS port
connection – activity