In Simple Mode for Item Linking, openHAB 2 generates by itself the (strange) Item names.
You could disable Simple Mode and either edit the names or create them manually within your
*.items files in
The main persistence strategy config file (
rrd4j.persist) is the one in the
/var/lib/openhab2/persistence/rrd4j/ folder stores the actual "database", not the configs.
In my OH2 (Stable 2.0.0) on rPi3, the
readme.txt (with small r) in
Your persistence configuration goes here.
All persistence files have to have the ".persist" file extension and must follow a special syntax.
Check out the openHAB documentation for more details:
Readme.txt (with capital R) in
rrd4j persistence files go here
Which version of OH2 are you running?