[rrd-users] Re: resize question

Alex van den Bogaerdt alex at ergens.op.het.net
Fri Dec 10 12:37:25 MET 2004

On Fri, Dec 10, 2004 at 12:07:51PM +0100, Robin Elfrink wrote:

> I have a bunch of rrd's created by Cricket. Now I want to change them to 
> have the 5 minute RRA span a whole year, using rrdresize. Works fine.
> Now when creating >1 month graphs, rrdgraph takes this 5 minute RRA, 
> probably because it's the highest resolution for that timespan.

No, because it is the best matching RRA for your query.

Ten to one that you are not specifying start and end times.

You ask for an implicit "--end now", which most likely is NOT
on a 30-minute boundary.  RRDtool will not select the RRA
containing 30-minute CDPs because you asked it to do otherwise.

> How can I copy all data from the 30 minute RRA into the 5 minute RRA?

echo You really do not want to do this
rrdtool dump yourdatabase.rrd ...
echo Really, you do not
vi yourdatabase.xml
[do your copying; each yank resulting in six puts]
rrdtool restore yourdatabase.rrd ...
echo See why\?

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