[rrd-users] Re: updating rrd from another rrd

[Serge Maandag]

> I mean, I can update it with dump/restore just by renaming 
> old ds to ds name used in new rrd, but maybe there is/can be 
> smarter and more automagic way to do that?

You can change ds-names with:

Rrdtool tune file.rrd -r old-name:new-name

Or you can do it in perl. Handy if you need to change more things.

rrdtool dump old.rrd | perl -pe 's/old_dsname/new_dsname/g' | rrdtool
restore - new.rrd

Serge.

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