Plex server crashes after deleting media library or optimize database/clean bundles

[ChuckPa]

You have a few things to do.

1. More media being monitored than DSM defaults allow. (monitor / notify table full )

Aug 13, 2024 19:35:51.147 [139815434689336] ERROR - [Notify] Failed to add watch for "/volume4/Bay.0/Qobuz in 10/Sia/You're Never Fully Dressed Without a [0886444911931]/FLAC (16bit-44.1kHz)" (28: No space left on device)
Aug 13, 2024 19:35:51.147 [139815434689336] ERROR - [Notify] Failed to add watch for "/volume4/Bay.0/Qobuz in 10/Sia/You've Changed [0884977770728]" (28: No space left on device)
Aug 13, 2024 19:35:51.147 [139815434689336] ERROR - [Notify] Failed to add watch for "/volume4/Bay.0/Qobuz in 10/Sia/You've Changed [0884977770728]/FLAC (16bit-44.1kHz)" (28: No space left on device)
Aug 13, 2024 19:35:51.147 [139815434689336] ERROR - [Notify] Failed to add watch for "/volume4/Bay.0/Qobuz in 10/Sia/You've Changed [s909s4jgz1plb]" (28: No space left on device)
Aug 13, 2024 19:35:51.147 [139815434689336] ERROR - [Notify] Failed to add watch for "/volume4/Bay.0/Qobuz in 10/Sia/You've Changed [s909s4jgz1plb]/FLAC (16bit-44.1kHz)" (28: No space left on device)
Aug 13, 2024 19:35:51.158 [139815434689336] ERROR - [Notify] Failed to add watch for "/volume4/Bay.0/Qobuz in 10/The Weeknd" (28: No space left on device)
Aug 13, 2024 19:35:51.170 [139815434689336] ERROR - [Notify] Failed to add watch for "/volume4/Bay.0/Qobuz in 10/The Weeknd/After Hours (Deluxe - Edited) [s5hfrbbpvcwga]" (28: No space left on device)
Aug 13, 2024 19:35:51.170 [139815434689336] ERROR - [Notify] Failed to add watch for "/volume4/Bay.0/Qobuz in 10/The Weeknd/After Hours (Deluxe - Edited) [s5hfrbbpvcwga]/FLAC (24bit-44.1kHz)" (28: No space left on device)
Aug 13, 2024 19:35:51.170 [139815434689336] ERROR - [Notify] Failed to add watch for "/volume4/Bay.0/Qobuz in 10/The Weeknd/After Hours (Deluxe - Explicit) (Del [ycgom2qonoscb]" (28: No space left on device)
Aug 13, 2024 19:35:51.170 [139815434689336] ERROR - [Notify] Failed to add watch for "/volume4/Bay.0/Qobuz in 10/The Weeknd/After Hours (Deluxe - Explicit) (Del [ycgom2qonoscb]/FLAC (24bit-44.1kHz)" (28: No space left on device)
Aug 13, 2024 19:35:51.171 [139815434689336] ERROR - [Notify] Failed to add watch for "/volume4/Bay.0/Qobuz in 10/The Weeknd/After Hours (Deluxe) [ghsn05bq7upab]" (28: No space left on device)
Aug 13, 2024 19:35:51.171 [139815434689336] ERROR - [Notify] Failed to add watch for "/volume4/Bay.0/Qobuz in 10/The Weeknd/After Hours (Deluxe) [ghsn05bq7upab]/FLAC (24bit-44.1kHz)" (28: No space left on device)

Let’s fix this first, restart , then reevaluate

Synology FAQ - Questions, Answers, and 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…

This entire thread is a whole bunch of tips (both Dsm 6 and 7)