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Re: [Linux-cluster] fence_ipmilan



HI
Thanks for the info

I'm having other fencing problems with fence_ilo and I'm thinking of
writing a script to do the fencing, ipmitool works fine, I'll just write a
script to call it. what do you think?

Also, I'd like to know what fencing solutions are the most common, reliable.
I'm doing a proof-of-concept for a big institution and would like to know
what are the more stable solutions

Best Regards
Jose


> Jose,
> this is known bug/feature of newer IPMI implementations. See
> https://bugzilla.redhat.com/show_bug.cgi?id=482913 for more informations.
>
> Regards,
>   Honza
>
> jose nuno neto wrote:
>> Hi
>>
>> Sorry for not posting the info before....
>> I repeated the steps, and now fence_ipmilan -o reboot powers down the
>> machine, no power up, and ILOm gets reseted to factory defaults ????
>>
>> Below is the info, I've been finding the fence_ipmilan not very
>> reliable,
>> any one using it in prod? what is the most used fencing methods?
>>
>>
>> ##### Info for ipmi #####
>> SUN BLADE X6270 SERVER MODULE, ILOM v3.0.6.10, r48729
>> fence_ipmilan 2.0.115 (built Sep  2 2009 11:45:31)
>>
>> fence_ipmilan -a 172.26.18.3 -l xxxx -p xxxx -o status
>> Getting status of IPMI:172.26.18.3...Chassis power = On
>> Done
>>
>> fence_ipmilan -a 172.26.255.1 -l xxxx -p xxxx -o reboot
>> Rebooting machine @ IPMI:172.26.255.1...ipmilan: Failed to connect after
>> 10 seconds
>>
>> Powers Down, no power Up, Ilo goes to factory Reset
>>
>> /etc/ipmi_lan.conf
>> addr 0.0.0.0
>> priv_limit admin
>> allowed_auths_callback md5
>> allowed_auths_user md5
>> allowed_auths_operator md5
>> allowed_auths_admin md5
>> user 2 true xxxx xxxx admin 1 md5
>>
>> ipmitool lan print
>>
>> Set in Progress         : Set Complete
>> Auth Type Support       : NONE MD2 MD5 PASSWORD
>> Auth Type Enable        : Callback : MD2 MD5 PASSWORD
>>                         : User     : MD2 MD5 PASSWORD
>>                         : Operator : MD2 MD5 PASSWORD
>>                         : Admin    : MD2 MD5 PASSWORD
>>                         : OEM      :
>> IP Address Source       : Static Address
>> IP Address              : 172.26.18.5
>> Subnet Mask             : 255.255.240.0
>> MAC Address             : 00:14:4f:ca:83:4e
>> SNMP Community String   : public
>> IP Header               : TTL=0x00 Flags=0x00 Precedence=0x00 TOS=0x00
>> BMC ARP Control         : ARP Responses Enabled, Gratuitous ARP Enabled
>> Gratituous ARP Intrvl   : 5.0 seconds
>> Default Gateway IP      : 0.0.0.0
>> Default Gateway MAC     : 00:00:00:00:00:00
>> Backup Gateway IP       : 0.0.0.0
>> Backup Gateway MAC      : 00:00:00:00:00:00
>> 802.1q VLAN ID          : Disabled
>> 802.1q VLAN Priority    : 0
>> RMCP+ Cipher Suites     : 2,3,0
>> Cipher Suite Priv Max   : XXXXXXXXXXXXXXX
>>                         :     X=Cipher Suite Unused
>>                         :     c=CALLBACK
>>                         :     u=USER
>>                         :     o=OPERATOR
>>                         :     a=ADMIN
>>                         :     O=OEM
>>
>>
>>
>> ipmitool -U ipmi -P ipmi -H malta8 chassis status
>> System Power         : on
>> Power Overload       : false
>> Power Interlock      : inactive
>> Main Power Fault     : false
>> Power Control Fault  : false
>> Power Restore Policy : always-off
>> Last Power Event     :
>> Chassis Intrusion    : inactive
>> Front-Panel Lockout  : inactive
>> Drive Fault          : false
>> Cooling/Fan Fault    : false
>>
>>
>>
>>> On 1/15/2010 3:53 PM, jose nuno neto wrote:
>>>> Hi,
>>>> I'm trying to set up fencing with ipmi on 2node cluster.
>>>> I have ipmi working fine and I can issue shutdown/reboot commands
>>>> through
>>>> ipmitool, but when I use fence_ipmilan the command is executed but
>> fence_ipmilan keeps waiting for aknowledge ( I guess ) and closes with
>> error.
>>>> Then fenced daemon keeps trying to fence again.
>>>> Is there a way to prevent this? What is fenced_ipmilan expecting from
>>>> the
>>>> machine it has been shutdown?
>>>> Much Thanks
>>>> Jose
>>> Might be helpful to know what version of fence_ipmilan you are using
>>> and
>> how you configured it in cluster.conf. Did you try using fence_ipmilan
>> from command line?
>>> Fabio
>>>
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>>
>>
>>
>>
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