[rrd-users] Re: problem fetching/graphing when specified end date is last update date

Alex van den Bogaerdt alex at slot.hollandcasino.nl
Mon Sep 17 01:59:48 MEST 2001

Kevin O' Gorman wrote:

> As the title says, I'm getting back all-zero tables/graphs whenever I specify
> an end date that's after, on, or just before the date of the last update to
> the rrd in question. I'm using rrdtool on OpenVMS, so it may be just more 
> float-representation[1] problems, but if anybody else has seen this on another
> platform[2] and has an idea of how to fix it, I'd appreciate it.

Have you tried to set both the start and the end time to an integer
mulitple of the step time * steps?

So, for an RRA with a step size of 300 and steps == 6 (this is 30 minutes
per entry) choose start == 1000674000 and end == 1000683000 for a total of
rrdtool fetch whatever.rrd AVERAGE --start 1000674000 --end 1000683000

What happens?

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