某天发现服务器电源报黄灯，看了一下，电源的风扇不转。通过：prtdiag -v　查看状态其中有一段：

Voltage sensors:
------------------------------------------------------------------------
Location Sensor Voltage Lo LoWarn HiWarn Hi Status
------------------------------------------------------------------------
MB V_+1V5 1.49V 1.20V 1.27V 1.73V 1.80V okay
MB V_SCSI_CORE 1.79V 1.44V 1.53V 2.07V 2.16V okay

某天发现服务器电源报黄灯，看了一下，电源的风扇不转。通过：prtdiag -v　查看状态其中有一段：

Voltage sensors:
------------------------------------------------------------------------
Location Sensor Voltage Lo LoWarn HiWarn Hi Status
------------------------------------------------------------------------
MB V_+1V5 1.49V 1.20V 1.27V 1.73V 1.80V okay
MB V_SCSI_CORE 1.79V 1.44V 1.53V 2.07V 2.16V okay
MB V_VCCTM 2.53V 2.00V 2.12V 2.88V 3.00V okay
MB V_NET0_1V2D 1.22V 0.96V 1.02V 1.38V 1.44V okay
MB V_NET1_1V2D 1.22V 0.96V 1.02V 1.38V 1.44V okay
MB V_NET0_1V2A 1.23V 0.96V 1.02V 1.38V 1.44V okay
MB V_NET1_1V2A 1.23V 0.96V 1.02V 1.38V 1.44V okay
MB V_+3V3 3.38V 2.64V 2.81V 3.80V 3.96V okay
MB V_+3V3STBY 3.33V 2.64V 2.81V 3.80V 3.96V okay
MB V_+5V 5.05V 4.00V 4.25V 5.75V 6.00V okay
MB V_+12V 12.00V 9.60V 10.20V 13.80V 14.40V okay
MB V_-12V -11.82V -14.40V -13.80V -10.20V -9.60V okay
MB/BAT V_BAT 3.06V - 2.25V - - okay
PS0 FF_POK - - - - - failed
PS0 P_PWR - - - - - okay
PS1 FF_POK - - - - - okay
PS1 P_PWR - - - - - okay
----------------------------------------------------------------------
Current sensors:
----------------------------------------------------------------------
Location Sensor Current Lo LoWarn HiWarn Hi Status
----------------------------------------------------------------------
MB FF_SCSIB - - - - - okay
MB FF_SCSIA - - - - - okay
MB FF_POK - - - - - okay
C0/P0 FF_POK - - - - - okay
C1/P0 FF_POK - - - - - okay

======== FRU Status =========
-------------------------
Fru Operational Status:
-------------------------
Location Status
-------------------------
SC okay
PS0 faulty
PS1 okay
HDD0 present
HDD1 present
HDD2 present
HDD3 present

经SUN工程师确认是电源出问题了，须更换。此电源支持热插拔，因此直接将新电源插入后恢复正常。还是内存出问题的那台服务器，至此此台服务器已经陆续出现了3次问题，其中第一次出问题也是内存问题，那时是SUN工程师上门更换的。第二次出问题的内存就是跟第一次出问题的CPU上的另外两条内存。一共买了两台440，这台是每年都出一次问题，另一台则没出过什么问题。