[Linux-cluster] fence device LOM

Emrys Ingersoll emrys at eecs.berkeley.edu
Tue Mar 10 17:16:35 UTC 2009

I have a two-node CentOS 5.2 cluster running on Sun X4100 M2s which I
assume use a similar, if not identical, Service Processor.  I am
successfully using IPMI for fencing, here's a snippet of my cluster.conf
with the relevant info:

  <clusternode name="xen0.xen" nodeid="1" votes="1">
      <method name="1">
        <device lanplus="1" name="xen0-sp_IPMI"/ >
  <clusternode name="xen1.xen" nodeid="2" votes="1">
      <method name="1">
        <device lanplus="1" name="xen1-sp_IPMI"/ >
<cman expected_votes="1" two_node="1"/>
  <fencedevice agent="fence_ipmilan" ipaddr="xxx.xxx.xxx.xxx" login="xxxx" name="xen0-sp_IPMI" passwd="xxxxxx"/>
  <fencedevice agent="fence_ipmilan" ipaddr="xxx.xxx.xxx.xxx" login="xxxx" name="xen1-sp_IPMI" passwd="xxxxxx"/>

Good luck,


On Tue, Mar 10, 2009 at 02:16:19PM +0100, ESGLinux wrote:
>    Thanks to all,
>    I have checked the specs and I agree with you,
>    In this specs you can read:
>    IPMI 2.0 compliant Service Processor with embedded Lights Out Management
>    offering remote power
>    so I can use it
>    now I have the harder task to make it works ;-) I´ll tell you when I´ll
>    have it,
>    Thanks again
>    Greetings
>    ESG
>    2009/3/10 Subhendu Ghosh <[1]sghosh at redhat.com>
>      ESGLinux wrote:
>        First
>        Sorry for the previous message with the same subject (gmail decided to
>        send it before i finish to write it), I continue with it
>        Hello all,
>        anyone knows if is it possible to use the integrated service processor
>        with embedded Lights Out Management (LOM) standard that comes with a
>        server SUN FIRE X2200 M2 as a fence device in a cluster.
>        If its possible, How it can be configured? I think this is a a serial
>        device, but I´m not sure. And if I´m right where must I plug the
>        serial wire? I´m a bit lost with this device
>        thanks
>        ESG
>      Check the specs - I thought most of the Sun LOM boards were IPMI
>      capable. If so, fence_ipmi would work once the IPMI interface was
>      configured.
>      -subhendu
>      --
>      Linux-cluster mailing list
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Emrys Ingersoll
Information Management Group
Electrical Engineering and Computer Sciences Department
University of California, Berkeley
(510) 642-5495 (w)
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