[rrd-users] how to merge two rrd databases that have different data structures

Tobias Oetiker tobi at oetiker.ch
Fri Sep 24 07:41:49 CEST 2010

Hi At,

Yesterday Aleksey Tsalolikhin wrote:

> Hi. is there a tool to merge two rrdtool databases that have different
> data structures?
> I've been collecting a GAUGE every 6 hours; now we want to start
> collecting every minute, and I've set up a new RRD database to do
> that, but we have a year of historical information in the original DB.
> Is there an automated way to insert it into the new DB?
> I tried  http://www.pintori.it/rrd-merger/ but it segfaulted, and I looked at
> http://oss.oetiker.ch/rrdtool/pub/contrib/merge-rrd.tgz but it expects an
> identical data structure.
> I am not afraid to try to hand-edit the RRD XML, just want to make sure
> I've exhausted all the easy options first.

I guess rrdjig could help you



> Best,
> -at
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Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900

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