[Linux-cluster] Fencing Issues: fence_node fails but fence_ipmilan works

Martinez-Sanchez, Raul RMartinez-Sanchez at nds.com
Mon Jun 6 13:52:47 UTC 2011


I had a similar issue on an IBM M3 system although it was on a rhel5u6. The way we got it fix was by changing the ipmilam configuration *location*(attribute lanplus="1" in device element to fencedevice element) in the cluster.conf file, I am not sure if this would be relevant to you but just in case ....


<method name="1">
<device name="m3vgc1b-ilo" action="off"/>
<device name="fcswitch1" port="2"/>
<device name="fcswitch2" port="2"/>

<method name="1">
<device name="m3vgc1a-ilo" action="off"/>
<device name="fcswitch1" port="1"/>
<device name="fcswitch2" port="1"/>

<fencedevice agent="fence_ipmilan" power_wait="10" ipaddr="XXX.XXX.XXX.XXX" lanplus="1" login="Admin" name="m3vgc1b-ilo" passwd="***"/>
<fencedevice agent="fence_ipmilan" power_wait="10" ipaddr="XXX.XXX.XXX.XXX" lanplus="1" login="Admin" name="m3vgc1a-ilo" passwd="***"/>


Raúl Martínez Sánchez

From: linux-cluster-bounces at redhat.com [mailto:linux-cluster-bounces at redhat.com] On Behalf Of POWERBALL ONLINE
Sent: Monday, June 06, 2011 11:47 AM
To: linux clustering
Subject: Re: [Linux-cluster] Fencing Issues: fence_node fails but fence_ipmilan works

Please give me the cluster.conf file
On Mon, Jun 6, 2011 at 2:53 PM, Manish Kathuria <mkathuria at tuxtechnologies.co.in<mailto:mkathuria at tuxtechnologies.co.in>> wrote:
I am facing a strange problem configuring a two node cluster using
RHCS 4.8. Both nodes are HP Proliant DL 180 G6 servers using HP LO
100i (IPMI Based).

When I run the fence_node command to check the fence device
configuration for either of the nodes, it fails giving the following
message in the logs:

fence_node[nnnn]: Fence of "node1" was unsuccessful
fence_node[nnnn]: Fence of "node2" was unsuccessful

However, when I run the fence_impilan command using the same
credentials, it executes successfully and is able to switch on, off
and reboot the nodes. The cluster configuration for the fence devices

IPMI Lan Type
Name:           lo1
IP Address:     172.16.1.x
Login           admin
Password        passone
Auth Type       password

Name:           lo2
IP Address:     172.16.1.y
Login           admin
Password        passtwo
Auth Type       password

I have already tried different options for Auth Type (blank, password,
md5). Have also tried using / not using lanplus for both the fence
devices in the Manage Fencing dialog without success.

Any suggestions ?


Manish Kathuria

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