[Pacemaker] Strange split-brain behavior

[Andrew Beekhof]

On Apr 18, 2008, at 10:54 AM, Raoul Bhatia [IPAX] wrote:

> hello lars,
>
> Lars Marowsky-Bree wrote:
>>> i have a cluster consisting of two servers: wc01 and wc02.
>>> no stonith is enabled.
>>>
>>> i started wc02. wc02 is plugged into the switch
>>> i started wc01 - no connection to wc02.
>>>
>>> after the servers (and heartbeat) is started, i plug wc01 into the
>>> switch. the two node find eachother but remain in split-brain mode.
>>
>> That's a heartbeat-level issue. Please post to linux-ha and/or file a
>> bugzilla with hb_report.
>
> ok, i did so. but why exactly do you think its a heartbeat-level  
> issue?
> from the ccm entries in the logfile?

that would be my guess.
split-brains almost always originate in the underlying messaging and  
membership layers

>
>
>> ...
>> ccm[2478]: 2008/04/17_14:13:43 info: Break tie for 2 nodes cluster
>> crmd[2483]: 2008/04/17_14:13:43 info: mem_handle_event: Got an  
>> event OC_EV_MS_INVALID from ccm
>> ...
>
> cheers,
> raoul
>
> -- 
> ____________________________________________________________________
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