[rrd-users] merge/combine RRD database files

Larry Adams thewitness at cacti.net
Fri Dec 9 22:26:10 CET 2011


You can leverage this utility to merge the RRDfiles.  Although this has 
not been tested on 'all' combinations, it should cover the standard 
traffic type graphs.



Larry Adams
aka TheWitness

-------- Original Message --------
Subject: 	Fwd: [rrd-users] merge/combine RRD database files
Date: 	Fri, 9 Dec 2011 21:22:44 +0000 (UTC)
From: 	larryjadams at comcast.net
To: 	thewitness at cacti.net


Larry Adams
aka TheWitness

*From: *"Martin T" <m4rtntns at gmail.com>
*To: *rrd-users at lists.oetiker.ch
*Sent: *Thursday, December 8, 2011 7:13:03 PM
*Subject: *[rrd-users] merge/combine RRD database files

I have two RRD database files: old.rrd and new.rrd. According to
"rrdtool info old.rrd" it's a rrd_version = "0001" file and new.rrd is
a rrd_version = "0003" file. Data source type is COUNTER. Both
databases are used to store router interface counter values.
Is it possible to merge those two files into one? Or at least generate
graphs based on information from both files?


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