5U Enclosure Leds; Expansion Module Led States - Lenovo ThinkSystem DS Series Hardware Installation And Maintenance Manual

Table 15 Controller module LED states (continued)
CRU OK
(Green)
Blinking
Actions:
• If the CRU OK LED is blinking, wait for the system to boot.
• If the CRU OK LED is off, and the IOM is powered on, the module has failed.
Check that the IOM is fully inserted and latched in place, and that the enclosure is powered on.

Check the event log for specific information regarding the failure.

• If the CRU Fault LED is on, a fault condition is detected.
Restart this controller from the partner controller using the SMC or CLI.

If the restart does not resolve the fault, remove the IOM and reinsert it.

•
If the above actions do not resolve the fault, contact Lenovo for assistance. IOM replacement may be necessary.
Expansion module LEDs
Expansion IOM status is monitored by the LEDs located on the face plate. See also
behaviors for DS Series expansion enclosures are described in
16, see Actions above. See also
Table
Table 16 Expansion module LED states
CRU OK
(Green)
On
Off
Blinking

5U enclosure LEDs

NOTE: When the 5U enclosure is powered on, all LEDs are lit for a short period to ensure they are working.
This behavior does not indicate a fault unless LEDs remain lit after several seconds.
CRU Fault External host
(Amber) port activity
(Green)
Blinking
"12Gb/s expansion module LEDs" (page
CRU Fault SAS port activity
(Amber) (Green)
Off
On
Off
On
Blinking
Status
External host port connection – activity
System is booting
Table 16. For actions pertaining to
Status
Expansion module OK
Expansion module fault – see
No external port connection
HD mini-SAS port connection – no activity
HD mini-SAS port connection – activity
EBOD VPD error
Figure 16 (page 27). LED
Table 15
52).
"Replacing an IOM" (page 127)
5U enclosure LEDs
or
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