Lets say you want to move everything from /mnt/mergerfs/tv to /mnt/mergerfs/media/tv cd /var/lib/emby-server/data sqlite3 library.db UPDATE MediaItems SET Path= replace(Path, '/mnt/mergerfs', '/mnt/mergerfs/media') where Path like '%/mnt/mergerfs%'; UPDATE MediaStreams2 SET Path= replace(Path, '/mnt/mergerfs', '/mnt/mergerfs/media') where Path like '%/mnt/mergerfs%'; UPDATE TypedBaseItems SET Path= replace(Path, '/mnt/mergerfs', '/mnt/mergerfs/media') where Path like '%/mnt/mergerfs%'; .save