[rrd-users] global data value change?

christian rrd-users at sisyphus.ch
Fri Mar 9 16:22:58 CET 2007

On Fri, Mar 09, 2007 at 03:40:20PM +0100, Alex van den Bogaerdt wrote:
> On Fri, Mar 09, 2007 at 11:18:07AM +0100, christian wrote:

> An easy way?  Don't do this!

i know. ;-(

> Of course if you are not prepared with the overhead involved, you have
> no other option than to alter the data in your database.  This would
> probably involve some scripting to be efficient, but basically it would
> be the following:
> rrdtool dump your.rrd > dumpfile.xml
> [using your favorite editor and calculator, modify data]
> rrdtool restore dumpfile.xml copy_of_your.rrd
> [verify integrety of copy_of_your.rrd]
> [rename copy_of_your.rrd to your.rrd, thereby destroying your old rrd file]

that will be my way - future values will arrive properly multiplied, 
already, so a one-time action will serve me well.


thank you very much!


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