In OMV 4., whenever I change in the webUI the schedule for system backup from daily to anything else (e.g. monthly), then the usual Save + Apply, and then go back to the "Create Schedule backup job", it again show Daily. In /etc/openmediavault/config.xml, I get this:
Do I miss something or is it a bug? What should be the correct XML for 2 monthly backups? (I couldn't find the script reading and using that).