[ejabberd] Cluster Servers stop communicating

Evgeniy Khramtsov xramtsov at gmail.com
Tue Dec 1 07:21:02 MSK 2009


Jesse Thompson wrote:
> We see this problem as well.  We have our nodes in different data 
> centers, so presumably the problem is being caused by the network. 
> However, it is very hard to prove what the cause is.
>
> We created a script that periodically checks to see if the nodes have 
> lost sight of each other.  The script will then automatically restart 
> the "slave" node.
>
> It would be nice if this functionality was built into ejabberd.

This situation is known as "split brain". There is no easy way to solve 
the problem, but the solution with quorum is good enough.

-- 
Regards,
Evgeniy Khramtsov, ProcessOne.
xmpp:xram at jabber.ru.



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