Server Version#:1.40.2.8395
Player Version#:unraid6.12.9
<If providing server logs please do NOT turn on verbose logging, only debug logging should be enabled>
I can use it well without updating. I have tried several times that when I update a new version, the database becomes corrupted. I don’t know where the problem lies, but I rely on ZFS snapshots to restore the original version. Am I an exception? May I ask how to use an existing backup to repair a damaged database using an old version database backup after the updated version causes database damage?
Perform the DB repair immediately after restoring a backup.
Only after that, perform the server software update, because it’s very likely that the DB adaptations in the course of the update are increasing the already-existing damage.
You might want to use GitHub - ChuckPa/PlexDBRepair: Database repair utility for Plex Media Server databases to do it.