Jephe Wu - http://linuxtechres.blogspot.com
Objective: to use ipmitool under Linux to remote manage servers
Steps:
1. References
http://docs.oracle.com/cd/E19469-01/820-6413-13/IPMI_Overview.html#50446406_95669 Sun server ipmi usage example
http://linux.die.net/man/1/ipmitool ipmi man page
2. Check if the ipmi port is open
root@jephe:~/bin# nmap -sU -p 623 172.17.2.10
Starting Nmap 5.00 ( http://nmap.org ) at 2013-06-18 20:48 EST
Interesting ports on 172.17.2.10:
PORT STATE SERVICE
623/udp open|filtered asf-rmcp
Note: open|filtered doesn't mean it's definitely open. If it shows 'closed' , it means really closed.
how to check if tcp port is open
a. use nmap -sS or nmap -sT
root@jephe ~/bin# nmap -sS -p 22 server1
Starting Nmap 5.00 ( http://nmap.org ) at 2013-06-18 21:00 EST
Interesting ports on server1:
PORT STATE SERVICE
22/tcp open ssh
Nmap done: 1 IP address (1 host up) scanned in 0.33 seconds
b. use nc -vz
[root@jephe ~]# nc -vz ovms04 22
Connection to ovms04 22 port [tcp/ssh] succeeded!
3. enable ipmi through CLI or GUI
ssh into DRAC/LOM/ILO NIC, run
-> set /SP/services/ipmi servicestate=enabled
Set ‘servicestate’ to ‘enabled’
4. usage example for ipmitool
[root@ovms03 ~]# ipmitool -H 172.17.2.11 -U root -P calvin chassis status
[root@ovms03 ~]# ipmitool -H 172.17.2.12 -U root -P changeme chassis status
5. useful commands for ipmi
ipmitool -I lanplus -C 1 -H 172.17.1.17 -U root -P changeme sel list
bootparam get <param #>
bootparam set bootflag <flag>
force_pxe : Force PXE boot
force_disk : Force boot from default Hard-drive
force_safe : Force boot from default Hard-drive, request Safe Mode
force_diag : Force boot from Diagnostic Partition
force_cdrom : Force boot from CD/DVD
force_bios : Force boot into BIOS Setup
$ipmitool -H 1.2.3.4 -v -I lanplus -U username -P userpassword chassis power on
Power Off the Host
$ ipmitool -H 1.2.3.4 -v -I lanplus -U username -P userpassword chassis power off
Power Cycle the Host
$ ipmitool -H 1.2.3.4 -v -I lanplus -U username -P userpassword chassis power cycle
Shut Down the Host Gracefully
$ ipmitool -H 1.2.3.4 -v -I lanplus -U username -P userpassword chassis power soft
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