[rrd-users] Re: adding a new data source to existing RRD

Alex van den Bogaerdt alex at ergens.op.het.net
Thu Dec 19 20:52:12 MET 2002

On Thu, Dec 19, 2002 at 10:41:02AM -0600, Jason Signalness wrote:

> After looking at the manuals and list, I'm still at a loss.  How does
> one go about adding a new data source to an existing RRD?
> For example: One RRD contains many data sources (server performance data
> for a single server).  If I add a disk to a server and want to monitor
> it using RRDTool & Cricket, how can I do this without destroying
> existing data?

Three different answers are frequently presented whenever this question
comes up again.  Choose one.

1:  Don't.  Just build another RRD.
    (and yes: you can combine DSes from multiple RRDs into one graph).
2:  dump, edit the xml file, restore
3:  find the script that does (2) for you

For more details please search the archive of this list.

Much of what looks like rudeness in hacker circles is not intended to give
offence. Rather, it's the product of the direct, cut-through-the-bullshit
communications style that is natural to people who are more concerned about
solving problems than making others feel warm and fuzzy.


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