> At 13:45 +0000 24/12/08, I wrote: > >I'm just setting up logging for the new UPS at work, and looking at > >teh SNMP MIB I see that it has entries for "The maximum utility line > >voltage in 0.1 VAC for last 1 minute." and "The minimum utility line > >voltage in 0.1 VAC for last 1 minute." as well as plain input > >voltage. I'm not really interested in logging voltage in small > >detail, but I would be interested in having max and min. > > > >So if I were collecting data once a minute, and only graphing at 5 > >minute resolution, is there an easy way to get the min and max values > >into the RRD ? > > > >The only way I can think of is to set step to 1 (with suitably long > >heartbeat), and do 3 (or 4 ?) updates in close succession. Ie, do > >updates for t:act, t+1:min, and t+2:max (where act is current voltage > >reported, and min/max are the "min/max over last minute" reported by > >the UPS) to set the actual value for the last 58s, then the min and > >max for 1s each. > > No ideas ?
Use two additional datasources. > > -- > 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 _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
