=item S<B<--heartbeat>|B<-h> I<ds-name>:I<heartbeat>>
modify the I<heartbeat> of a data source. By setting this to a high
=item S<B<--heartbeat>|B<-h> I<ds-name>:I<heartbeat>>
modify the I<heartbeat> of a data source. By setting this to a high
for the specified data source; that is, forget all it is has learn.
Specifically, for the HWPREDICT B<RRA>, it sets the intercept and slope
coefficients to unknown. For the SEASONAL B<RRA>, it sets all seasonal
for the specified data source; that is, forget all it is has learn.
Specifically, for the HWPREDICT B<RRA>, it sets the intercept and slope
coefficients to unknown. For the SEASONAL B<RRA>, it sets all seasonal
deviation coefficients to unknown. For the FAILURES B<RRA>, it erases
the violation history. Note that reset does not erase past predictions
(the values of the HWPREDICT B<RRA>), predicted deviations (the values of the
deviation coefficients to unknown. For the FAILURES B<RRA>, it erases
the violation history. Note that reset does not erase past predictions
(the values of the HWPREDICT B<RRA>), predicted deviations (the values of the
of smoothing is not data source specific. This means that utilizing
reset for one data source will delay running the smoothing algorithm
for all data sources in the file. This is unlikely to have serious
of smoothing is not data source specific. This means that utilizing
reset for one data source will delay running the smoothing algorithm
for all data sources in the file. This is unlikely to have serious
Set the minimum required heartbeat for data sources 'in', 'out'
and 'through' to 10000 seconds which is a little over one day in data.rrd.
Set the minimum required heartbeat for data sources 'in', 'out'
and 'through' to 10000 seconds which is a little over one day in data.rrd.
-This would allow to feed old data from mrtg-2.0 right into
-rrdtool without generating *UNKNOWN* entries.
+This would allow to feed old data from MRTG-2.0 right into
+RRDtool without generating *UNKNOWN* entries.
=head1 EXAMPLE 2
C<rrdtool tune monitor.rrd --window-length 5 --failure-threshold 3>
If the FAILURES B<RRA> is implicitly created, the default window-length is 9 and
=head1 EXAMPLE 2
C<rrdtool tune monitor.rrd --window-length 5 --failure-threshold 3>
If the FAILURES B<RRA> is implicitly created, the default window-length is 9 and