I have a Raspberry Pi 4 (2gb ram) and around 3 tb of FLAC files in ~90,000 songs on an external HD. I’m struggling to prevent Volumio from rebuilding the library after every reboot. I powered down via the menu and rebooted and after about 4 mins and some disk access it had booted back up with the library apparently intact, but sometimes I make changes via the menu - such as the experimental UI - which require a reboot and it seems to make the system decide to rescan the whole library. This takes an hour and is totally unnecessary - the files on the disk are rarely changing and I can do a manual update when required.
Is there an option to prevent rescans? Does it depend on how I shutdown? If Volumio is shutting down in a way which causes this to happen is it a bug, or is there an environmental element to this?