ipmi allow to recover informations on system status, and on event log related to hardware failures. ipmi also allow to power on, power off and reboot nodes remotely.
login0:~# yum install ipmi login0:~# modprobe ipmi_devintf login0:~# modprobe ipmi_si login0:~# ipmitool sensor CPU Temp 1 | 38.000 | degrees C | ok | na | na | na | 76.000 | 78.000 | 80.000 CPU Temp 2 | 36.000 | degrees C | ok | na | na | na | 76.000 | 78.000 | 80.000 Sys Temp | 33.000 | degrees C | ok | na | na | na | 76.000 | 78.000 | 80.000 CPU1 Vcore | 0.928 | Volts | ok | 0.560 | 0.576 | 0.592 | 1.208 | 1.224 | 1.240 CPU2 Vcore | 0.928 | Volts | ok | 0.560 | 0.576 | 0.592 | 1.208 | 1.224 | 1.240 1.5V | 1.528 | Volts | ok | 1.312 | 1.328 | 1.344 | 1.656 | 1.672 | 1.688 5V | 5.088 | Volts | ok | 4.416 | 4.448 | 4.480 | 5.536 | 5.568 | 5.600 12V | 12.084 | Volts | ok | 10.653 | 10.706 | 10.759 | 13.250 | 13.303 | 13.356 5VSB | 5.056 | Volts | ok | 4.416 | 4.448 | 4.480 | 5.536 | 5.568 | 5.600 -12V | -12.700 | Volts | ok | -10.500 | -10.600 | -10.700 | -13.300 | -13.400 | -13.500 3.3V | 3.264 | Volts | ok | 2.880 | 2.904 | 2.928 | 3.672 | 3.696 | 3.720 3.3VSB | 3.264 | Volts | ok | 2.880 | 2.904 | 2.928 | 3.672 | 3.696 | 3.720 VBAT | 3.240 | Volts | ok | 2.880 | 2.904 | 2.928 | 3.672 | 3.696 | 3.720 Fan1 | 6400.000 | RPM | ok | 200.000 | 300.000 | 400.000 | na | na | na Fan2 | 6400.000 | RPM | ok | 200.000 | 300.000 | 400.000 | na | na | na Fan3 | 6400.000 | RPM | ok | 200.000 | 300.000 | 400.000 | na | na | na Intrusion | 0x0 | discrete | 0x0000| na | na | na | na | na | na Power Supply | 0x0 | discrete | 0x0000| na | na | na | na | na | na CAT Error | 0x0 | discrete | 0x0000| na | na | na | na | na | na IOH Error | 0x0 | discrete | 0x0000| na | na | na | na | na | na CPU Overheat | 0x0 | discrete | 0x0000| na | na | na | na | na | na Thermal Trip1 | 0x0 | discrete | 0x0000| na | na | na | na | na | na Thermal Trip2 | 0x0 | discrete | 0x0000| na | na | na | na | na | na login0:~#
System is ok. Possible status are :