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Using ipmitool to manage NetManager and other hardware
Every modern server is equipped with a baseboard management controller (BMC) that enables its remote management. A BMC is essentially a computer within a computer with its own memory, firmware and network. It controls and monitors the fans, power and other hardware. Examples of IBMs are IMM on IBM/Lenovo System x, XCC on Lenovo ThinkSystem, iLO on HP and iDRAC on Dell.
ipmitool is a command-line tool on NetManager that allows to interrogate the BMC using the Intelligent Platform Management Interface (IPMI).
If you do not specify an IP address, ipmitool will connect to the local BMC. To use the command to connect to a remote system, you need to know the IP address of the BMC as well as a username and password to access it. In the following examples, the IP address is 10.0.0.10, the username is USER and the password is PASS. Please alter as appropriate.
Local examples
Get local IP settings
- ipmitool lan print
Set in Progress : Set Complete Auth Type Support : NONE MD5 PASSWORD Auth Type Enable : Callback :
: User : MD5 PASSWORD
: Operator : MD5 PASSWORD
: Admin : MD5 PASSWORD
: OEM :
IP Address Source : Static Address IP Address : 10.0.5.1 Subnet Mask : 255.255.0.0 MAC Address : xx:xx:xx:xx:xx:xx SNMP Community String : public IP Header : TTL=0x40 Flags=0x40 Precedence=0x00 TOS=0x10 BMC ARP Control : ARP Responses Enabled, Gratuitous ARP Disabled Gratituous ARP Intrvl : 2.0 seconds Default Gateway IP : 10.0.0.1
Set local IP address
# ipmitool lan set 1 ipsrc static # ipmitool lan set 1 ipaddr 10.0.5.1 Setting LAN IP Address to 10.0.5.1 # ipmitool lan set 1 netmask 255.255.0.0 Setting LAN Subnet Mask to 255.255.0.0 # ipmitool lan set 1 defgw ipaddr 10.0.0.1 Setting LAN Default Gateway IP to 10.0.0.1
Remote commands
The simplest way to use the command is as follows. This will ask for the password.ipmitool -H IP_ADDRESS -U USERNAME COMMANDIf you want to give the password on the command line add
-P PASSWORD, i.eipmitool -H IP_ADDRESS -U USERNAME -P PASSWORD COMMANDFor example, the following will show you the system status:
ipmitool -H 10.0.0.10 -U USER -P PASS chassis status
Full documentation can be found here.
Example commands
Hardware status
# ipmitool -H 10.0.0.10 -U USER chassis status Password: System Power : on Power Overload : false Power Interlock : inactive Main Power Fault : false Power Control Fault : false Power Restore Policy : previous Last Power Event : Chassis Intrusion : inactive Front-Panel Lockout : inactive Drive Fault : false Cooling/Fan Fault : false
Controlling power, including rebooting
Status:
# ipmitool -H 10.0.0.10 -U USER power status Chassis Power is on
Power on, off, cycle (reboot);
# ipmitool -H 10.0.0.10 -U USER power on # ipmitool -H 10.0.0.10 -U USER power off # ipmitool -H 10.0.0.10 -U USER power cycle
System inventory including model and serial numbers (abridged)
# ipmitool -H 10.0.0.10 -U USER fru FRU Device Description : Builtin FRU Device (ID 0) Board Mfg Date : Mon Jul 23 13:00:00 2012 Board Mfg : IBMM Board Product : System Board Board Serial : XXXXXXXXXXXXX Product Manufacturer : IBMM Product Name : System x3250 M4 Product Part Number : 2583K7G Product Version : 0000 Product Serial : XXXXX
Viewing sensors
# ipmitool -H 10.0.0.10 -U USER sdr list Ambient Temp | 25 degrees C | ok SysBrd 3.3V | 3.35 Volts | ok SysBrd 5V | 5.02 Volts | ok SysBrd 12V | 12.26 Volts | ok CMOS Battery | 3.11 Volts | ok Fan 1 Tach | 8591 RPM | ok Fan 2 Tach | 8378 RPM | ok Fan 3 Tach | 8662 RPM | ok Fan 4 Tach | 7668 RPM | ok Fan 1 | 0x00 | ok Fan 2 | 0x00 | ok Fan 3 | 0x00 | ok Fan 4 | 0x00 | ok CPU 1 | 0x00 | ok CPU 1 OverTemp | 0x00 | ok Aux Log | 0x00 | ok NMI State | 0x00 | ok ABR Status | 0x00 | ok Progress | 0x00 | ok Firmware Error | 0x00 | ok PCIs | 0x00 | ok CPUs | 0x00 | ok DIMMs | 0x00 | ok SysBrd Fault | 0x00 | ok All DIMMS | 0x00 | ok One of the DIMMs | 0x00 | ok DIMM 1 | 0x00 | ok DIMM 2 | 0x00 | ok DIMM 3 | 0x00 | ok DIMM 4 | 0x00 | ok DIMM 1 Temp | 0x00 | ok DIMM 2 Temp | 0x00 | ok DIMM 3 Temp | 0x00 | ok DIMM 4 Temp | 0x00 | ok All PCI Error | 0x00 | ok One of PCI Error | 0x00 | ok Watchdog | 0x00 | ok Host Power | 0x00 | ok SysBrd Vol Fault | 0x00 | ok SEL Fullness | 0x00 | ok OS RealTime Mod | 0x00 | ok PCI 1 | 0x00 | ok PCI 2 | 0x00 | ok DASD Backplane 1 | 0x00 | ok Drive 0 | 0x00 | ok Drive 1 | 0x00 | ok Drive 2 | 0x00 | ok Drive 3 | 0x00 | ok IMM2 FW Failover | 0x00 | ok Power Supply 1 | 0x00 | ok Power Supply 2 | Not Readable | ns PS 1 Fan Fault | 0x00 | ok PS 2 Fan Fault | 0x00 | ok PS 1 Therm Fault | 0x00 | ok PS 2 Therm Fault | 0x00 | ok PS1 12V OV Fault | 0x00 | ok PS2 12V OV Fault | 0x00 | ok PS1 12V UV Fault | 0x00 | ok PS2 12V UV Fault | 0x00 | ok PS1 12V OC Fault | 0x00 | ok PS2 12V OC Fault | 0x00 | ok PS 1 VCO Fault | 0x00 | ok PS 2 VCO Fault | 0x00 | ok Power Unit | 0x00 | ok Low Security Jmp | 0x00 | ok Sig Verify Fail | 0x00 | ok GPT Status | 0x00 | ok IMM Recovery | 0x00 | ok IMM Promotion | 0x00 | ok No Boot Device | 0x00 | ok CPU 1 Temp | 32 degrees C | ok IMM FW Corrupted | 0x00 | ok