how do I remove an extra node

Question

I have a group of erlang nodes that are replicating their data through Mnesia\'s \"extra_db_nodes\"... I need to upgrade hardware and software so I have to detach some nodes as

Answer 1

I wish I had found this a long time ago: http://weblambdazero.blogspot.com/2008/08/erlang-tips-and-tricks-mnesia.html

basically, with a properly functioning cluster....

• login to the cluster to be removed

• stop mnesia

  mnesia:stop().
  

• login to a different node on the cluster

• delete the schema

  mnesia:del_table_copy(schema, node@host.domain).