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 gure.
Figure 60. Top view of LFF disk drive module
LED Description Denition
1 Not currently used
2 Identify and fault 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.
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) CRU Fault (Amber) SAS port activity
(Green)
Status
On Off Expansion module OK
Off On Expansion module fault
– see “Replacing an
IOM/EBOD expander
module” on page 78
Off No external port
connection
On HD mini-SAS port
connection – no activity
Blinking HD mini-SAS port
connection – activity
Chapter 6. Troubleshooting and problem solving 57
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