Mnesia, disconnections and reconnections

Dan Gudmundsson dgud@REDACTED
Thu Feb 19 09:20:26 CET 2004

See mnesia:set_master_nodes/[12]

However you should reset it to the empty list after re-starting
mnesia. It's usually best to reset it with empty list after starting


Samuel Tardieu writes:
 > Hi.
 > I have implemented a greylist filter[1] for Postfix in Erlang using
 > Mnesia in order to check whether this efficiently reduces spam or
 > not. As the system works best if all the MXs use the same database, I
 > use a distributed Mnesia database with all nodes having disc_copies of
 > every table (3 nodes).
 > However, the nodes sometime get disconnected from each other because
 > of network outages. As the node don't restart (they weren't shutdown),
 > they all use different versions of the tables.
 > How can I designate one of the nodes to be the master one so that in
 > case of a reconnection the content of the tables will be reloaded from
 > this node? Or is there a better way to do this?
 >   Sam
 > Notes: 
 > [1]
 > -- 
 > Samuel Tardieu -- sam@REDACTED --

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