[DS918+ - DSM7] Plex unable to play certain files but on (Android) mobile apps

Plex Media Server NAS & Devices
,
4

@Da_Real_Pope

Thank you for the logs.

The problem you have is simple to correct.

You have more media folders than Linux (what DSM is) than the default kernel table can hold.

Jan 15, 2022 19:43:36.611 [0x7f8cc93c3b38] ERROR - [Notify] Failed to add watch for "/volume1/MediaServer/Serie/Young.Sheldon.S05E09.1080p.WEB.H264-CAKES[rarbg]" (28: No space left on device)
Jan 15, 2022 19:43:36.611 [0x7f8cc93c3b38] ERROR - [Notify] Failed to add watch for "/volume1/MediaServer/Serie/The.Rookie.S04E09.1080p.WEB.H264-PECULATE[rarbg]" (28: No space left on device)
Jan 15, 2022 19:43:36.611 [0x7f8cc93c3b38] ERROR - [Notify] Failed to add watch for "/volume1/MediaServer/Serie/South.Park.S00E44.Post.COVID.The.Return.of.COVID" (28: No space left on device)
Jan 15, 2022 19:43:36.611 [0x7f8cc93c3b38] ERROR - [Notify] Failed to add watch for "/volume1/MediaServer/Serie/South.Park.S00E44.Post.Covid.The.Return.of.Covid.1080p.PMTP.WEBRip.DDP5.1.x264-NTb[rarbg]" (28: No space left on device)
Jan 15, 2022 19:43:36.611 [0x7f8cc93c3b38] ERROR - [Notify] Failed to add watch for "/volume1/MediaServer/Serie/The.Rookie.S04E10.Heart.Beat.1080p.AMZN.WEBRip.DDP5.1.x264-NTb[rarbg]" (28: No space left on device)
Jan 15, 2022 19:43:36.611 [0x7f8cc93c3b38] ERROR - [Notify] Failed to add watch for "/volume1/MediaServer/Serie/The.Rookie.S04E10.1080p.WEB.h264-GOSSIP[rarbg]" (28: No space left on device)
Jan 15, 2022 19:43:36.611 [0x7f8cc93c3b38] ERROR - [Notify] Failed to add watch for "/volume1/MediaServer/Serie/Young.Sheldon.S05E10.An.Expensive.Glitch.and.a.Goof-Off.Room.1080p.AMZN.WEBRip.DDP5.1.x264-NTb[rarbg]" (28: No space left on device)
Jan 15, 2022 19:43:36.611 [0x7f8cc93c3b38] ERROR - [Notify] Failed to add watch for "/volume1/MediaServer/Serie/Resident.Alien.S01.1080p.AMZN.WEBRip.DDP5.1.x264-NTb[rartv]" (28: No space left on device)
Jan 15, 2022 19:43:36.612 [0x7f8cc93c3b38] ERROR - [Notify] Failed to add watch for "/volume1/MediaServer/Serie/Everybody Hates Chris (2005) Season 1-4 S01-S04 (1080p WEB-DL x265 HEVC 10bit EAC3 5.1 Silence)" (28: No space left on device)

You can easily increase the size.

Here is the procedure.