Synology drives crashed , new install , can't add media files

Plex Media Server
,
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Server Version#:1.43.0.10492
Player Version#:1.43.0.10492
<If providing server logs please do NOT turn on verbose logging, only debug logging should be enabled>

Whenever I deal with Plex , I just want to cry. Synology drives crashed (i have repaired one drive before) this time I did something VERY stupid and lost pool. IF I may explain my stupidity, I’m fighting Lymphoma, body not making Hemoglobin, therefore very lttle oxygen going to brain, ok let’s forget this.

After 3 days , 3 new drives Exos 16tb , formatted using SHR / btrfs. Installed Plex , upgraded to 1.43.0.10492 . I decided this time to follow FOLDER naming convention.

/MEDIA

/TV Shows

/Big Bang Theory

I added files inside BBT , I went to libraries and added that library. nothing shows up . I so much HATE this new format used in ROKU player and I have a SHIELD player in another room.

ready to cry , any suggestions, I did look at file rights.

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https://drive.google.com/file/d/1B6VFFS0h5Cv3F-5cISH1bj9C-dCS0z2g/view?usp=drive_link

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looking for logs , not finding them

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Plex Media Server.log (1.7 MB)

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Plex Media Server Logs_2026-03-20_16-48-41.zip (370.6 KB)

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At the very least you’ve got some permissions issues to work out:

Mar 20, 2026 16:44:04.868 [139958292941624] ERROR - [Notify] Failed to add watch for “/volume1/MEDIA” (13: Permission denied)
Mar 20, 2026 16:44:08.409 [139958378163000] DEBUG - NotificationStream: Removing because of error
Mar 20, 2026 16:44:14.612 [139958320061240] ERROR - Couldn’t check for the existence of file “/volume1/MEDIA/.grab”: boost::filesystem::status: Permission denied [system:13]: “/volume1/MEDIA/.grab”
Mar 20, 2026 16:44:15.256 [139958368828216] WARN - [HttpClient/HCl#28] HTTP error requesting GET https://192-168-1-246.ec0639c57b3949ab8c973e2f7cb58b9d.plex.direct:32400 (60, SSL peer certificate or SSH remote key was not OK) (SSL: no alternative certificate subject name matches target host name ‘192-168-1-246.ec0639c57b3949ab8c973e2f7cb58b9d.plex.direct’)
Mar 20, 2026 16:44:20.212 [139958324280120] WARN - Connection Tester: Error testing media server synologyROMAN in 5007 ms.
Mar 20, 2026 16:44:21.594 [139958353840952] ERROR - [Req#4a] Unknown metadata type: folder
Mar 20, 2026 16:44:37.012 [139958355950392] ERROR - Failed to create iterator to “/volume1/MEDIA”: Permission denied
Mar 20, 2026 16:44:37.020 [139958322170680] ERROR - Couldn’t check for the existence of file “/volume1/MEDIA/.grab”: boost::filesystem::status: Permission denied [system:13]: “/volume1/MEDIA/.grab”
Mar 20, 2026 16:45:04.860 [139958378163000] DEBUG - NotificationStream: Removing because of error
Mar 20, 2026 16:45:40.592 [139958330608440] ERROR - [Req#f0] IsDirectory failed boost::filesystem::status: Permission denied [system:13]: “/volume1/MEDIA/tv shows”
Mar 20, 2026 16:45:40.593 [139958355950392] ERROR - Couldn’t check for the existence of file “/volume1/MEDIA/tv shows”: boost::filesystem::status: Permission denied [system:13]: “/volume1/MEDIA/tv shows”
Mar 20, 2026 16:45:40.600 [139958358059832] ERROR - Couldn’t check for the existence of file “/volume1/MEDIA/tv shows/.grab”: boost::filesystem::status: Permission denied [system:13]: “/volume1/MEDIA/tv shows/.grab”
Mar 20, 2026 16:45:42.757 [139958355950392] ERROR - Couldn’t check for the existence of file “/volume1/MEDIA/tv shows”: boost::filesystem::status: Permission denied [system:13]: “/volume1/MEDIA/tv shows”
Mar 20, 2026 16:45:42.765 [139958324280120] ERROR - Couldn’t check for the existence of file “/volume1/MEDIA/tv shows/.grab”: boost::filesystem::status: Permission denied [system:13]: “/volume1/MEDIA/tv shows/.grab”
Mar 20, 2026 16:47:22.908 [139958334860088] ERROR - [Req#15b] IsDirectory failed boost::filesystem::status: Permission denied [system:13]: “/volume1/MEDIA/TVshows”

I believe there’s a how-to on the forum somewhere which explains how to correct this. I’ll see if I can find it, but there will likely be better explanations from others to follow…

Edit:
Here’s the how-to I was thinking of, but I believe @FordGuy61’s instructions below are more succinct, so start there :slight_smile: .

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Plex Media Server needs permission to access your media files.

  • Control Panel → Shared Folder. Select Media and Edit.
  • On Permissions Tab, change Local User to System Internal User.
  • For user PlexMediaServer, select Custom. Select Read & Write. Click Done.
  • IMPORTANT: You will be back at the Edit Shared Folder window. Check the box to “Apply to this folder, sub-folders, and files.” Save.
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ok did it, stopped Plex, started up , went to libraries , clicked on scan library and it’s working going round in circles , was not doing that .

IF I have any more issues, I will post here again

Best regards to all

Roman Toledo Casabona

thank you