Plex skipping over folders that aren't showing up in the web UI

Plex Media Server Desktops & Laptops
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I’ve been trying to set up my Plex server but I am having a problem with Plex skipping over a bunch of my movies - I have 23 but Plex only shows 14 in the web UI. For all of them, I am seeing stuff like this in the Media scanner log:

Aug 06, 2018 03:22:57.688 [0x7f5bcd5ee800] DEBUG - Skipping over directory 'The 1517 to Paris (2018)', as nothing has changed; removing 0 media items from map.

This happens for both movies that already show up in the web UI and the movies that don’t. I’ve already tried doing the Plex Dance™ several times to no avail. I’m confident that my naming is correct (each MKV video file is in a folder with name “Title of Movie (Year)” and the MKV files have the same name) and so are the permissions (permissions on all of the files & folders are 777). Can someone give me some insight into this?

Thanks.

2

The reason they are skipped is:

  1. Plex saw them initially and attempted to match them.
  2. If not already known, saves the file’s fingerprint and date/time stamp in the DB.
  3. On next library scan, If a file is encountered which isn’t already match but is already known, it’s skipped. This avoid unnecessary rescans of everything. (don’t descend into the directory if the directory timestamp hasn’t changed)

The scenarios this will ‘catch you’.

  1. The file failed to match initially. The fingerprint and info is still saved
  2. You rename the file while in a monitored directory.
  3. The scanner doesn’t attempt a match because it has record of the previous match failure.

Resolution:

  1. Move media out to non-monitored area
  2. Effect changes in name(s)
  3. Scan files
  4. Empty Trash
  5. Clean bundles
  6. Move media back into position
  7. Scan again if not automatically detected
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Awesome! Thanks for the help, now all 23 of my movies are showing up!

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