There will stored all archives from each RRA in from two DS. When you fetch the data, you chose which RRA to be consulted. =]
2010/8/18 tinsfci <[email protected]> > > Hello, > > I can´t fin out how RRDtool "knows" which RRA to get data from if you for > example has a setup of 4 RRA:AVERAGE:s, se below, (from the RRDtool > tutorial): > > Let´s say I plot a graph from "now" to -1month, does RRDtool > "automatically" > use "no 3", or do i specify it somewhere? > > "no 1": 600 samples of 5 minutes (2 days and 2 hours) > "no 2": 700 samples of 30 minutes (2 days and 2 hours, plus 12.5 days) > "no 3": 775 samples of 2 hours (above + 50 days) > "no 4": 797 samples of 1 day (above + 732 days, rounded up to 797) > > rrdtool create myrouter.rrd \ > DS:input:COUNTER:600:U:U \ > DS:output:COUNTER:600:U:U \ > RRA:AVERAGE:0.5:1:600 \ > RRA:AVERAGE:0.5:6:700 \ > RRA:AVERAGE:0.5:24:775 \ > RRA:AVERAGE:0.5:288:797 \ > RRA:MAX:0.5:1:600 \ > RRA:MAX:0.5:6:700 \ > RRA:MAX:0.5:24:775 \ > RRA:MAX:0.5:288:797 > -- > View this message in context: > http://rrd-mailinglists.937164.n2.nabble.com/RRA-AVERAGE-How-does-RRDtool-know-which-RRA-to-use-tp5437473p5437473.html > Sent from the RRDtool Users Mailinglist mailing list archive at Nabble.com. > > _______________________________________________ > rrd-users mailing list > [email protected] > https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users > -- Otavio Augusto.
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