No the affected Items were all copied with their .item files.
I copied the .rrd files to /var/lib/openhab/persistence/rrd4j
like described here: OH 3 migration of historical persistence data
Also first copied the rrd4j.persit file to /etc/openhab/persistence , later deleting it to use the default OH3 behavior and getting the new UI working at all.
This was the old rrd4j.persit config:
Strategies {
everyMinute : "0 * * * * ?"
default = everyChange
}
Items {
gTemperatures* : strategy = everyUpdate, everyMinute
gHumidities* : strategy = everyUpdate, everyMinute
E3DC_Graph* : strategy = everyMinute
E3DC_Graph_KWH_today* : strategy = everyMinute
E3DC_Proxy* : strategy = everyMinute
}
The shown chart looks like this in the sitemap:
Frame label="Raumtemperaturen Graph" icon="line"{
Switch item=chart_period label="Zeitraum:" mappings=[0="Tag", 1="Woche", 2="Monat", 3="Jahr"]
Chart item=gTemperatures period=D refresh=30000 visibility=[chart_period==0, chart_period=="Uninitialized"]
Chart item=gTemperatures period=W refresh=30000 visibility=[chart_period==1]
Chart item=gTemperatures period=M refresh=30000 visibility=[chart_period==2]
Chart item=gTemperatures period=Y refresh=30000 visibility=[chart_period==3]
Chart item=gHumidities period=D refresh=30000 visibility=[chart_period==0, chart_period=="Uninitialized"]
Chart item=gHumidities period=W refresh=30000 visibility=[chart_period==1]
Chart item=gHumidities period=M refresh=30000 visibility=[chart_period==2]
Chart item=gHumidities period=Y refresh=30000 visibility=[chart_period==3]
}
The default persitence is set to RRD4j.