[rrd-users] Can I stuff an RRD with data after-the-fact?

Johan Elmerfjord jelmerfj at adobe.com
Tue Sep 16 22:19:31 CEST 2014

Hi Alan,

That sounds right to me.

You can specify the starttime of the rrd-file when you create it,

rrdtool create $rrdFileName --start 1325372400 --step 300  ..and all the rest...

Hopefully that solves your problem.
RRD needs to fill in all the values from start until your first value - so creating a file long before your first value will probably be slow on the first update.

But that can easily be detected and adjusted I assume.

Good luck!


From: rrd-users <rrd-users-bounces+jelmerfj=adobe.com at lists.oetiker.ch> on behalf of Alan McKay <alan.mckay at gmail.com>
Sent: Tuesday, September 16, 2014 22:09
To: rrd-users
Subject: Re: [rrd-users] Can I stuff an RRD with data after-the-fact?

I think my basic problem is that when I create the RRD it must put in
a "last update time" of the time of creation.
Then all my datapoints are basically before that time.

ERROR: foobar-1yr-5sec.rrd: illegal attempt to update using time
1410898046 when last update time is 1410898050 (minimum one second

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