[rrd-developers] Re: joining 2 RRD's together

[Tobias Oetiker]

Hi Ian,

> is there a tool out there which will fix the RRA definition
> (rrdresize does this bit) and then put all the old data back into it?
>
> I'm guessing using rrdexport on both of them.. then some fiddling
> with the xml might be the answer.. I just hope someone else
> has written a tool to do it.

if you have ALL the old data, the most simple aproach is to
re-create the rrd file and rrdtool update it ... otherwhise the
rrdtool dump / rrdtool restore aproach is the way to go, but this
could be quite an effort to get right since the old data you have
is not time-aligned ...

cheers
tobi

>
> regards
>
> Ian
>
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Tobias Oetiker, IT Support Group D-ITET (ISG.EE)
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