/NODE[=node-name,...]
/NONODE[=node-name,...]
Specifies that events occurring on a node or nodes are to be
selected or rejected.
If you enter /NODE without a value, only events that occur on the
node on which you are running ELV are selected.
If you enter /NONODE without a value, events occurring on all
nodes that are represented in the error log file are selected.