[rrd-users] Change Interval & Keep Data

nate rrdtool at aphroland.org
Tue Jan 13 23:59:57 CET 2009

John Benson wrote:

> Is there any way to copy over the RRD data to a new file and to "fill in the
> gaps" for want of a better phrase?

rrdtool 1.3.x at least has a resize function

       rrdresize - alters the size of an RRA and creates a new .rrd file

       rrdtool resize filename rra-num  GROW|SHRINK rows

       The resize function is used to modify the number of rows in an RRA.

               the name of the RRD you want to alter.

       rra-num the RRA you want to alter. You can find the number using
rrdtool info.

Looks like it is available in rrdtool 1.2.x too



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