[EMAIL PROTECTED] wrote: > > Data time window normalisation.
>OK. I think I see. I have also "ignored" the importance of the start >time of the RRD upon creation I guess. >Those two samples above have the times 10:30:00 and 11:00:00, but I >run the polling scripts at 10:10:00 and 10:40:00. > >Are my asumption correct ? That the start time is crucial and must >be taken into account when you set the actual polling times ? No. The sample periods are ALWAYS an integer multiple of step size since unix epoch (midnight, 1st Jan 1970). So if you have a step time of 1800 (1/2 hour), then sample periods will always start on the hour or half hour irrespective of what you use as the start time. Try Alex's tutorial at http://oss.oetiker.ch/rrdtool/tut/rrdtutorial.en.html -- Simon Hobson Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed author Gladys Hobson. Novels - poetry - short stories - ideal as Christmas stocking fillers. Some available as e-books. _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
