Plex on synology not scanning for new media

[FordGuy61]

Also, it looks like you’ve exceeded the number of folders Plex can monitor.
Apr 01, 2022 21:36:44.688 [0x7f1f4b342b38] ERROR - [Notify] Failed to add watch for "/volume1/media/tv_shows/True Detective/Season 02" (28: No space left on device)

This is common and easy to remedy. See Synology FAQ #16 for details.

Synology FAQ - Questions, Answers, and a few How-To's

FAQ 16: Increase the number of folders Plex can monitor Applicable to all supported versions of DSM. When the Linux ‘inotify’ table fills up, this will cause when Plex to stop automatically detecting new media you add to the server. It will also manifest when there are transcoder problems with Dolby audio codecs. Linux has a default table size which is static. We can increase this at will. On some versions it’s 8192. On newer kernels, the default is 65536 folders. This is easy to in…