[Linux-cluster] fence_ipmilan

[Marek Grac]

On 07/31/2013 03:57 PM, Johannes Mäulen wrote:
>
> Hi there,
>
> I'm trying to setup a cluster and had issues with 'fence_ipmilan' from 
> the package fence-agents.
>
> I'm running debian 7.1 with a 3.2.0-4-amd64 kernel.
>
> 'fence_ipmilan --V' gives 'fence_ipmilan 3.1.5'
>
> My Cluster nodes are running on Supermicro Motherboards with IPMI 
> on-board. (To be exact: 
> http://www.supermicro.nl/products/motherboard/Xeon/C202_C204/X9SCA-F.cfm )
>
> I've experienced the following behavior:
>
> fence_ipmilan -a xxx.xxx.xxx.xxx -l USER-p PASS -v -o off; echo $?
>
> Powering off machine @ IPMI:xxx.xxx.xxx.xxx...Spawning: 
> '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 'PASS' -v 
> chassis power status'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power off'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power status'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power off'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power status'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power off'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power status'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power off'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power status'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power off'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power status'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power off'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power status'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power off'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power status'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power off'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power status'...
>
> ipmilan: Power still on
>
> Failed
>
> 1
>
> More or less in the same moment when I got this message the machine 
> went down. So all the commands were working, but not in the expected time.
>
> ( Using Supermicro Mainboards with IPMI onboard, 
> http://www.supermicro.nl/products/motherboard/Xeon/C202_C204/X9SCA-F.cfm )
>
> I've played around with available parameters and wasn't able to fix 
> this behavior.
>
> So I went into the source 
> code(fence-agents-3.1.5/fence/agents/ipmilan/ipmilan.c) and had a look 
> at the ipmi_off function.
>
> There was a fixed value of 2 seconds to sleep.
>
> I modified this to use the same parameter like ipmi_on: 
> ipmi->i_power_wait instead of 2, so that I can modify this value and 
> test if it has effect on my problem.
>
> Now when I use the modified version of fence_ipmilan the output looks 
> like:
>
> ./fence_ipmilan -a xxx.xxx.xxx.xxx -l USER -p PASS -T 10 -v -o off ; 
> echo $?
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power off'...
>
> Spawning: '/usr/bin/ipmitool -I lan -H 'xxx.xxx.xxx.xxx' -U 'USER' -P 
> 'PASS' -v chassis power status'...
>
> Done
>
> 0
>
> So I think this fixed my problem, and I think it might help other 
> users experiencing the same issues.
>
> Kind regards
>
>
Thanks for reporting, I'm quite suprised that you use such old version. 
This issue was fixed in 3.1.8 (26 Mar 2012)

m,
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