[rrd-users] Re: resize question

[Robin Elfrink]

Alex van den Bogaerdt wrote:


> Repeat the debugging process but now with rrdtool graph.
> 
> A simple graph, just one DS, will probably be enough.
> (some adjustment may be needed, such as the DS name).
> 
> rrdtool graph picture1.png --start end-30d \
> 	--end 12:00 DEF:a=resize.rrd:ds0:AVERAGE LINE1:a#FF0000

http://brouwen.nl/~robin/picture1.png


> rrdtool graph picture2.png --start end-30d \
> 	DEF:a=resize.rrd:ds0:AVERAGE LINE1:a#FF0000

http://brouwen.nl/~robin/picture2.png

Both show the same.


Now I created one the same as picture1.png, but from the original rrd.
http://brouwen.nl/~robin/notresized.png

The overlap in data (ie. the last two weeks) shows the same (except it 
scales different), but the new one lacks data from before two weeks ago. 
And that is what I am looking for. To copy the 30 minute data from 
before two weeks ago, into the enlarged 5 minute data RRA.


Robin

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