Is it possible to modify a past value in rrdj4 persistence? (Correct time delay of external temperature in charts)

[vzorglub (Vincent Regaud)]

I am afraid but you cannot edit rrd4j databases from the rules DSL
I have read of ways to do it other wise:

HowTo Change values in an rrd4j database

Note 1: Due to the setup of rrd4j databases a wrong value saved in archive 1 will also affect corresponding values in further archives. The way the other archives are effected depends on the consolidation function used. One should consider to check/update all archives when trying to remove a false value. Note 2: In order not to work on the database in question while it is written too, openHAB should be stopped. The file “rrd4j-2.1.1.jar” which is used by openHAB is needed ( on my openhabian in…