[Linux-ha-dev] Membership instance ID went backwards

[Dejan Muhamedagic]

On Mon, Aug 27, 2007 at 11:40:27AM +0900, Junko IKEDA wrote:
> Hi,
> 
> I tried to run quorumd server to rewrite SF-EX as a quorum module.
> quorumd seemed to work well, but there was something confusion of instance
> ID.
> to make matters worse, it led to a flash Split-Brain.

What seems to have led to the split-brain is this:

heartbeat[19616]: 2007/08/17_11:26:29 WARN: node prec370d: is dead
heartbeat[19616]: 2007/08/17_11:26:29 info: Link prec370d:eth2 dead.

Is that what you meant?

> ha-debug said;
> crmd[19630]: 2007/08/17_11:28:16 ERROR: crmd_ccm_msg_callback: Membership
> instance ID went backwards! 3->1
> crmd[19630]: 2007/08/17_11:28:16 ERROR: crm_abort: crmd_ccm_msg_callback:
> Triggered fatal assert at callbacks.c:526 : current_ccm_membership_id <=
> membership->m_instance
> 
> is it the same issue as bug #1546 ?

Yes. crmd dumps core because the instance goes backwards.

> Best Regards,
> Junko Ikeda
> 
> NTT DATA INTELLILINK CORPORATION
> 
> Toyosu Center Building Annex, 3-3-9, Toyosu,
> Koto-ku, Tokyo 135-0061, Japan
> TEL : +81-3-3534-4811
> FAX : +81-3-3534-4814
> mailto:ikedaj at intellilink.co.jp
> http://www.intellilink.co.jp/
> 


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