I created LibreNMS server via the official LibreNMS Docker image. and Copied the configuration, database and RRD data from the original system (not docker). And everything seems to work.
For some reason selective devices and ports in the new system get recreated and ports get new IDs every few days. and that wipes the graphs/RRD files. and causing problem in Weathermap plugin. and the history on those devices and ports disappear!
It seems to be happening at nights. I searched through the logs and found nothing that can explain this behaviour.
Does the Discovery wipes devices and ports if there is a connectivity issues? Can the timeout in this case be changed?
Is there any way to preserve ports ID and RRD data?
Any help is very much appreciated!