[Linux-cluster] Add a fence device of type SUN ILOM

Quentin Arce Quentin.Arce at Sun.COM
Fri Aug 10 16:38:34 UTC 2007

brad at bradandkim.net wrote:
>> Quentin Arce wrote:
>>>>> My machines are SUN Fire X4100. I see that we can define a fence
>>>>> device of type HP ILO. I would like to know if I can use the HP ILO
>>>>> form in system-config-cluster tool to enter and use a SUN ILOM as
>>>>> fence device?
>>>> How does ILOM work? telnet or ssh? Is there an snmp interface to ILOM?
>>>> If so, there might be a way...by hacking on another agent.
>>> So, I'm a lurker on this list as I no longer have a cluster up... but
>>> I work on ILOM and I would love to see this work.  This isn't official
>>> support, I'm a developer not a customer support person.  So, it's more
>>> on my time.  If there is anything I can do... Please let me know.
>>> Questions on this problem, regarding what ILOM can / can't do, how to
>>> check state of the server via ILOM, etc.
>> Quentin! That is very kind of you. If you help with the ILOM protocol,
>> I'll help with the agent/script. This thread could form a document on
>> how to write an arbitrary fence agent for use with rhcs.
>> Where is documentation available? Generally, three things are needed
>> from a baseboard management device in order to use it for fencing: 1) A
>> way to shut the system down, 2) a way to power the system up, and 3) a
>> way to check if it is up or down.
>> What means can a script use to communicate with the ILOM card? Are there
>> big delta's in the protocol between different ILOM versions?
>> I look forward to hearing from you.
>> -J
> I am interested in seeing this thread play out as well since I have 26 SUN
> servers I am beginning to cluster.  My question is why use SNMP over IPMI
> v2.0.  I can do the above three things with:
> /usr/bin/ipmitool -U <user> -P <password> -H <ilom IP> chassis power off
> /usr/bin/ipmitool -U <user> -P <password> -H <ilom IP> chassis power on
> /usr/bin/ipmitool -U <user> -P <password> -H <ilom IP> chassis power status
> I don't need any MIB's for this either.  It seems to me this might be an
> easier solution than snmp, but I may be missing something.

Oh make sure you are using lanplus mode for this.

> Thanks,
> Brad Crotchett
> brad at bradandkim.net
> http://www.bradandkim.net
> --
> Linux-cluster mailing list
> Linux-cluster at redhat.com
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