[rrd-users] Adding new RRA in an existing RRDTool database

[Andrikopoulos Dimitrios]

Hello,
 
  I have created an RRDTool database using the following command. This
database contains
3-month values.
 
========================================================
rrdtool create /var/rrdtool/miep_trafficregulator.rrd \
--step 10 \
DS:CapacityUsage:GAUGE:20:0:300 \
DS:CapacityTPS:GAUGE:20:0:1000 \
DS:AcceptedRequests:COUNTER:20:0:1000 \
DS:RejectedRequests:COUNTER:20:0:1000 \
DS:TotalRequests:COMPUTE:AcceptedRequests,RejectedRequests,\+ \
RRA:AVERAGE:0.5:1:24000 \
RRA:AVERAGE:0.5:180:800 \
RRA:AVERAGE:0.5:720:800 \
RRA:AVERAGE:0.5:8640:800 \
RRA:MAX:0.5:1:24000 \
RRA:MAX:0.5:180:800 \
RRA:MAX:0.5:720:800 \
RRA:MAX:0.5:8640:800;
========================================================
 
  Now I want to add this new RRA:
 
                RRA:AVERAGE:0.5:360:48
 
Does anyone know how to do it without having to delete and recreate the
database?
 
Thanks,
Dimitris
 
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