[Pacemaker] Strange split-brain behavior

Raoul Bhatia [IPAX] r.bhatia at ipax.at
Fri Apr 18 08:54:47 UTC 2008


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?

> ...
> 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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