[Pacemaker] Two node KVM cluster

[Oriol Mula-Valls]

On 01/05/13 06:12, Andrew Beekhof wrote:
>
> On 28/04/2013, at 9:19 PM, Oriol Mula-Valls<oriol.mula-valls at ic3.cat>  wrote:
>
>> Hi,
>>
>> I have modified the previous configuration to use sbd fencing. I have also fixed several other issues with the configuration and now when the node reboots seems not to be able to rejoin the cluster.
>>
>> I attach the debug log I have just generated. Node was rebooted around 11:51:41 and came back at 12:52:47.
>>
>> The boot order of the services is:
>> 1. sbd
>> 2. corosync
>> 3. pacemaker
>
> It doesn't look like pacemaker was restarted on node1, just corosync.

The node was forcedly rebooted with echo b > /proc/syrq-trigger. I am 
still testing what will happen in case of an unexpected reboot.

>
>>
>> Could someone help me, please?
>>
>> Thanks,
>> Oriol
>>
>> On 16/04/13 06:10, Andrew Beekhof wrote:
>>>
>>> On 10/04/2013, at 3:20 PM, Oriol Mula-Valls<oriol.mula-valls at ic3.cat>   wrote:
>>>
>>>> On 10/04/13 02:10, Andrew Beekhof wrote:
>>>>>
>>>>> On 09/04/2013, at 7:31 PM, Oriol Mula-Valls<oriol.mula-valls at ic3.cat>    wrote:
>>>>>
>>>>>> Thanks Andrew I've managed to set up the system and currently I have it working but still on testing.
>>>>>>
>>>>>> I have configure external/ipmi as fencing device and then I force a reboot doing a echo b>    /proc/sysrq-trigger. The fencing is working properly as the node is shut off and the VM migrated. However, as soon as I turn on the fenced now and the OS has started the surviving is shut down. Is it normal or am I doing something wrong?
>>>>>
>>>>> Can you clarify "turn on the fenced"?
>>>>>
>>>>
>>>> To restart the fenced node I do either a power on with ipmitool or I power it on using the iRMC web interface.
>>>
>>> Oh, "fenced now" was meant to be "fenced node".  That makes more sense now :)
>>>
>>> To answer your question, I would not expect the surviving node to be fenced when the previous node returns.
>>> The network between the two is still functional?
>>>
>>
>>
>> --
>> Oriol Mula Valls
>> Institut Català de Ciències del Clima (IC3)
>> Doctor Trueta 203 - 08005 Barcelona
>> Tel:+34 93 567 99 77
>> <corosync.log.gz>_______________________________________________
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>>
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>
>
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> Bugs: http://bugs.clusterlabs.org
>


-- 
Oriol Mula Valls
Institut Català de Ciències del Clima (IC3)
Doctor Trueta 203 - 08005 Barcelona
Tel:+34 93 567 99 77