Figure 66 Controller Module Leds To Examine For Fault Conditions (Sas 4-Port Version); Figure 67 Controller Module Removal, Upper (Sas 4-Port Version) - Seagate Exos X 4006 Series Hardware Installation And Maintenance Manual

LED Type
SAS expansion port Amber
Hardware fault
OK to remove

Figure 66 Controller module LEDs to examine for fault conditions (SAS 4-port version)

To replace a 2U enclosure controller module:
1. Complete the following actions to remove the faulty CM:
a. Facing the rear of the storage enclosure, grasp the CM release latch between thumb and forefinger, then squeeze
together to release the latch and handle.
b. Pull the handle outward to lever the CM away from the midplane.
c. Use one hand to support the weight of the CM and the other to gently withdraw the CM from its slot.
d. Place it in a static-protected location.
2. Complete the following actions to replace it with a tested good CM:
= SAS 4-port
12Gb/s
Color State
On*
Fast flash* (1s on, 1s off) SAS Unit identification (UID) active
Slow flash* (3s on, 1s off) Non-critical SAS cable fault
Off
On*
Amber Fast flash (1s on, 1s off)
Off
On
White
Off

Figure 67 Controller module removal, upper (SAS 4-port version)

Status
Critical SAS cable fault
SAS expansion port functioning properly
CM hardware fault
Part of sequence as CM comes online
CM functioning properly
Ready for removal, the cache is clear
Do not remove the CM, cache still contains unwritten data
Chapter 10 In-service field maintenance for 2U enclosures
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