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Chapter 3
Maintaining the Server
Table 3-1
Front Panel LEDs, Definitions of States
LED Name
Hard drive activity
Hard drive fault
Power button/Power status LED
Identification
System status
Fan status
Temperature status
OL-24342-01z
State
•
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.
Off—The hard drive is operating properly.
•
Amber—This hard drive has failed.
•
Amber, blinking—The device is rebuilding.
•
•
Off—There is no AC power to the server.
Amber—The server is in standby power mode. Power is supplied only to the CIMC
•
and some motherboard functions.
Green—The server is in main power mode. Power is supplied to all server
•
components.
Off—The Identification LED is not in use.
•
Blue—The Identification LED is activated.
•
•
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.
Cisco UCS C260 Server Installation and Service Guide
Status LEDs and Buttons
3-3
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