Media Scan not working anymore

I have a DS918+ and everything has been working perfectly but the media scan has now stopped. When I click Scan folders it starts for a few seconds and then says Library scan complete - extra information is downloading from internet but it is not detecting the new folders anymore.

Any suggestions?

@wgregoryjr said:
I have a DS918+ and everything has been working perfectly but the media scan has now stopped. When I click Scan folders it starts for a few seconds and then says Library scan complete - extra information is downloading from internet but it is not detecting the new folders anymore.

Any suggestions?

May be the paths to the media files are not available or permissions issue

Get some logs from the server following a scan that exits without detecting folders

See
https://support.plex.tv/articles/201643703-reporting-issues-with-plex-media-server/
https://support.plex.tv/articles/200250417-plex-media-server-log-files/

debug logs enabled, restarted server, initiated media scan for movies folder and still receiving the library scan complete within just a few seconds… I’ve downloaded logs… see attached.

As suspected - permissions

Feb 01, 2018 12:06:14.879 [0xf3eae780] ERROR - Couldn't check for the existence of file /volume1/media/videos: boost::filesystem::status: Permission denied: "/volume1/media/videos"

and

Feb 01, 2018 12:06:16.432 [0xf3f5c780] ERROR - Couldn't check for the existence of file /volume1/media/tv shows: boost::filesystem::status: Permission denied: "/volume1/media/tv shows"

and

Feb 01, 2018 12:13:28.121 [0xf3ee2780] ERROR - Couldn't check for the existence of file /volume1/media/movies: boost::filesystem::status: Permission denied: "/volume1/media/movies"

and

Feb 01, 2018 12:06:11.296 [0xf3f23780] ERROR - Couldn't check for the existence of file /volume1/media/music: boost::filesystem::status: Permission denied: "/volume1/media/music"

and in another log

Feb 01, 2018 09:13:35.391 [0xf0f35b40] ERROR - IsDirectory failed boost::filesystem::status: Permission denied: "/volume1/media/movies"
Feb 01, 2018 09:13:35.391 [0xf0f35b40] ERROR - IsDirectory failed boost::filesystem::status: Permission denied: "/volume1/media/photos"
Feb 01, 2018 09:13:35.391 [0xf0f35b40] ERROR - IsDirectory failed boost::filesystem::status: Permission denied: "/volume1/media/tv shows"
Feb 01, 2018 09:13:35.391 [0xf0f35b40] ERROR - IsDirectory failed boost::filesystem::status: Permission denied: "/volume1/media/videos"

Go to Control Panel - Shared Folders and Edit each share. Give user Plex permission to access the share.

Thanks! this fixed my problem…

@wgregoryjr

Synology has the bad habit of losing permissions from time to time.

When you see this type error again, check the Shared Folders permissions as first step