[rrd-users] Re: inserting older data in rrd after new ones written

[Stephan Harren]

Hi All,

Due to the fact, that these are round robin databases, which are fed by 
values that are calculated while inserting, I don't see an easy way to 
do this.

What I do is, before inserting data into rrd, insert the data into a 
common database, so if I need to do something like this, I can 
regenerate the whole rrd from this database including the former missing 
values (might be nothing for everyday use).

If there are any other possibilities, I'd really be interested in.

HTH,

Stephan

>afaik know rrd, I think its not possible to insert older data (with the 
>update command) in the rrd database after newer data is already written to 
>it.
>Its somewhat hard to explain, so e.g.:
>I wrote 11:30 in the rrd database, and than my application collects some 
>other data which is from 10:30. When I then try to update the rrd database I 
>get "illegal attempt to update using time ...." and so on. 
>
>Any ideas or workarounds?? 
>
>cheers Johannes.
>  
>

-- 
Stephan Harren
Leiter Technik
AboveNet Deutschland GmbH
-------------------------
Phone +49 69 90554 153
Fax +49 69 90554 111
Cell +49 173 7011126



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