Setting the alarm node from ZMI with an empty value will effectively disable alarm processing, instead of making each and every node in a cluster an alarm node (only one node can be an alarm node).


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23708 20353a03-c40f-0410-a6d1-a30d3c3de9de