> If you use the DERIVE_with_minimum_rate_zero method, you are telling > RRDtool to ignore the updates around the reset. This results in a loss > of information (a couple of updates will result in unknown data).
i see > If you use the tripple_update method, you are telling RRDtool what the > rate was just before the reset, and when the reset happened. This way, > RRDtool has no unknown data hence it has more reliable data. You will > still loose some information, but this loss is limited as it is only > the amount of data between the last update and the reset. This is one > second, if you follow my suggestion. i understand that that is the best mehod. but it is not so elegant to implement. i mean i would have to make some more cronjobs, and only for the end of the months. hmm > I think you are looking at data that's already in the RRD. Changing > the DS_type will only influence data that is collected after this change. oh ok :-) well i was looking at already existing data.. > Option 1: > - dump the database (rrdtool dump) > - edit the xml file > - restore the database (rrdtool restore) > This modifies the available data. i tried that, but somehow it didn't work as expected. anyway, i can't do that because i have around 300 rrds :-). > Option 2: > - read the tutorial > - implement the "pretend weird data isn't there" workaround > This modifies the representation of the available data. that did it! awesome, my graphs look just as i expect them to look like :-). thank you very much for your help Alex!!! -- regards, Georges Toth -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://www.ee.ethz.ch/~slist/rrd-users WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi
