[mrtg] Re: Changing the time interval with rrdtool

PAUL WILLIAMSON pwilliamson at mandtbank.com
Wed Nov 23 19:53:09 MET 2005

>>> "Guillermo Hechem" <ghechem at ciudad.com.ar> 11/23/05 1:34 PM >>>
> Hi,
> I've been using MRTG with RRDTOOL for some time now, measuring 
> the serial ports of a router every 5 minutes. I'd like to change the
> interval from those 5 minutes to 2 minutes.
> Is this possible? I suppose I have to change the structure of the rrd

> databases.

It is possible if you ditch MRTG as the collector.  You'll need to
roll your own or use one of the collectors listed on the RRD homepage.
MRTG can only do as little as a 5 minute frequency.

Yes, you'll also need to restructure your RRDs.  A dump and reload 
of the rrds may work, but I'm not exactly sure.


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