[rrd-users] Insert OLD data into RRD files

Alexander Skwar alexanders.mailinglists+nospam at gmail.com
Thu Jun 18 13:41:03 CEST 2009


Is there a way to insert OLD data into RRD files? I tried:

$ rrdtool updatev 269.rrd 1241121600:852
return_value = -1
ERROR: 269.rrd: illegal attempt to update using time 1241121600 when last
update time is 1245323161 (minimum one second step)

Searching the lists, I found a post from 2003
which says, that it's not possible to load old data.

Is that still true?

What would I need to do, to get old data into my RRD file(s)?

- Dump contents
- Create empty new RRD file
- Load data, INCLUDING old data and dumped content

Would that be the correct approach?

The RRD files have been created by Cacti and I don't have
the slightest clue HOW they were created. Given the following
rrdtool dumped XML file (where I removed ALL the values
in the <database> sections), what would be the command
to recreate the RRD file?


Thanks a lot,

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