Cisco UCS C220 Installation And Service Manual page 43

Chapter 3 Maintaining the Server
Table 3-1 Front Panel LEDs, Definitions of States (continued)
LED Name
System status
Fan status
Temperature status
Power supply status
Network link activity
Hard drive fault
Hard drive activity
OL-25760-01
State
Green—The server is running in normal operating condition.
•
Green, blinking—The server is performing system initialization and memory check.
•
Amber, steady—The server is in a degraded operational state. For example:
•
Power supply redundancy is lost.
–
– CPUs are mismatched.
– At least one CPU is faulty.
– At least one DIMM is faulty.
– At least one drive in a RAID configuration failed.
• Amber, blinking—The server is in a critical fault state. For example:
– Boot failed.
Fatal CPU and/or bus error is detected.
–
Server is in over-temperature condition.
–
Green—All fan modules are operating properly.
•
Amber, steady—One fan module has failed.
•
Amber, blinking—Critical fault, two or more fan modules have failed.
•
Green—The server is operating at normal temperature.
•
• Amber, steady—One or more temperature sensors have exceeded a warning
threshold.
Amber, blinking—One or more temperature sensors have exceeded a critical
•
threshold.
Green—All power supplies are operating normally.
•
• Amber, steady—One or more power supplies are in a degraded operational state.
• Amber, blinking—One or more power supplies are in a critical fault state.
Off—The Ethernet link is idle.
•
Green—One or more Ethernet LOM ports are link-active, but there is no activity.
•
Green, blinking—One or more Ethernet LOM ports are link-active, with activity.
•
Off—The hard drive is operating properly.
•
Amber—This hard drive has failed.
•
Amber, blinking—The device is rebuilding.
•
• Off—There is no hard drive in the hard drive sled (no access, no fault).
Green—The hard drive is ready.
•
Green, blinking—The hard drive is reading or writing data.
•
Cisco UCS C220 Server Installation and Service Guide
Status LEDs and Buttons
3-3