index c6347eac9361746c8f60b6b33713983d466da241..d7c749cd3391aefc86369c208193063111655fe6 100644 (file)
--- a/src/collectd-nagios.pod
+++ b/src/collectd-nagios.pod
I<min> is then assumed to be zero. If I<max> (but not the trailing colon) is
omitted, I<max> is assumed to be positive infinity.
+=item B<-m>
+
+If this option is given, "Not a Number" (NaN) is treated as I<critical>. By
+default, the I<none> consolidation reports NaNs as I<warning>. Other
+consolidations simply ignore NaN values.
+
=back
=head1 RETURN VALUE