Hi,
Yesterday I migrated my “baremetal” OH4 installation (on Proxmox LXC) to a Docker based OH5 installation. Migrating the configuration worked as expected but I had issues seeing historical values on the UI. As usual, I thought that I had done something wrong during the data migration process (see also: Post from yesterday).
Today I am smarter. I simply have choosen the wrong standard persistence service which I only found out coincidently by deselecting the InMemory Persistence and MapDB during the initial wizzard.
And I think this is where the error happens: The initial wizzard suggests to install all three persistency services: RRD4J, MapDB and InMemory Persistence. I am no power user so I thought: “OK, makes sense. If the wizzard suggests all three, then let’s do all three!” After the wizzard however, RRD4J is not selected as standard persistency service. At least it was not on my side. And then no graph data was populating and I had absolutely no idea why.
I suggest to have RRD4J as standard persistency always preselected by openHAB in such a scenario. What do you think?
Oliver