I have a fresh install of Plex (latest version). Install was fine aside from the lack of obvious naming and permission requirements.
I now have tried adding the Library as type Movies and as type Other media.
Same result: There are no items in this library
The plex user is part of my user group. My user group is the owner of this directory. I have even added the plex user to the root group to make sure it wasn’t still about permissions.
me@xps:/media/me/MyHD/Media/Movies$ groups plex
plex : plex root video me
All files are inside the me directory within the /media/me/MyHD/Media/Movies/files located here
me@xps:~$ ll /media/
total 12
drwxr-xr-x   3 root root 4096 Jun 30 22:22 ./
drwxr-xr-x  24 root root 4096 Jun 29 06:08 ../
drwxr-xr-x+  4 me me  4096 Jul  1 02:10 me/
Server Status:
me@xps:~/Downloads$ sudo systemctl status plexmediaserver.service
● plexmediaserver.service - Plex Media Server
   Loaded: loaded (/lib/systemd/system/plexmediaserver.service; enabled; vendor 
   Active: active (running) since Mon 2019-07-01 02:57:21 PDT; 15h ago
 Main PID: 11654 (sh)
   CGroup: /system.slice/plexmediaserver.service
           ├─11654 /bin/sh -c  PLEX_MEDIA_SERVER_INFO_VENDOR="$(grep ^NAME= /etc
           ├─11674 /usr/lib/plexmediaserver/Plex Media Server
           ├─11694 Plex Plug-in [com.plexapp.system] /usr/lib/plexmediaserver/Re
           ├─11747 /usr/lib/plexmediaserver/Plex Tuner Service /usr/lib/plexmedi
           └─11748 /usr/lib/plexmediaserver/Plex DLNA Server
Jul 01 02:57:21 xps systemd[1]: Starting Plex Media Server...
Jul 01 02:57:21 xps systemd[1]: Started Plex Media Server.
Jul 01 18:45:15 xps systemd[1]: Started Plex Media Server.
This is the directory structure visible in plex.
 
So the plex interface is only showing me a short list of available directories to add during the Library creation.  The parent directory MyHD is a typical usb HD.  Mounted to `/media/me/MyHD`
My files are located in directory:
me@xps:/media/me/MyHD/Media/Movies$ pwd
/media/me/MyHD/Media/Movies
From what I understand the naming convention needs to be Parent directory (MyHD) ->Media -> Movies.
All of my movies are in that directory.  Some of the movies are in directories and some are only single files.  There are thousands of files in there yet it cannot “see” any of them…
me@xps:/media/me/MyHD/Media/Movies$ sudo journalctl -xe | grep -i plex
[sudo] password for me: 
Jul 01 18:44:59 xps sudo[11289]:      me : TTY=pts/2 ; PWD=/home/me/Downloads ; USER=root ; COMMAND=/bin/systemctl enable plexmediaserver.service
Jul 01 18:45:15 xps sudo[11377]:      me : TTY=pts/2 ; PWD=/home/me/Downloads ; USER=root ; COMMAND=/bin/systemctl start plexmediaserver.service
Jul 01 18:45:15 xps systemd[1]: Started Plex Media Server.
-- Subject: Unit plexmediaserver.service has finished start-up
-- Unit plexmediaserver.service has finished starting up.
Jul 01 18:45:20 xps sudo[11381]:      me : TTY=pts/2 ; PWD=/home/me/Downloads ; USER=root ; COMMAND=/bin/systemctl enable plexmediaserver.service
Jul 01 18:46:07 xps sudo[13259]:      me : TTY=pts/2 ; PWD=/home/me/Downloads ; USER=root ; COMMAND=/bin/systemctl status plexmediaserver.service
Jul 01 18:50:51 xps sudo[13459]:      me : TTY=pts/2 ; PWD=/home/me/Downloads ; USER=root ; COMMAND=/bin/systemctl restart plexmediaserver.service
Jul 01 18:50:51 xps systemd[1]: Stopping Plex Media Server...
-- Subject: Unit plexmediaserver.service has begun shutting down
-- Unit plexmediaserver.service has begun shutting down.
Jul 01 18:50:51 xps systemd[1]: Stopped Plex Media Server.
-- Subject: Unit plexmediaserver.service has finished shutting down
-- Unit plexmediaserver.service has finished shutting down.
Jul 01 18:50:51 xps systemd[1]: Starting Plex Media Server...
-- Subject: Unit plexmediaserver.service has begun start-up
-- Unit plexmediaserver.service has begun starting up.
Here is some of the disk information:
It looks like the FS type is exFAT.  Is that correct?
Block ID:::
me@xps:/media$ blkid | grep -i sda1
/dev/sda1: LABEL="MyHD" UUID="52F0-FEC1" TYPE="exfat" PARTUUID="1be014c0-01"
FDISK:::
me@xps:/media$ sudo fdisk -l /dev/sda1
Disk /dev/sda1: 1.8 TiB, 2000397884928 bytes, 3907027119 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x00000000
Device      Boot      Start        End    Sectors  Size Id Type
/dev/sda1p1      4294967295 8589934589 4294967295    2T ff BBT
/dev/sda1p2      4294967295 8589934589 4294967295    2T ff BBT
/dev/sda1p3      4294967295 8589934589 4294967295    2T ff BBT
/dev/sda1p4      4294967295 6854241533 2559274239  1.2T ff BBT
LSBLK:::
me@xps:/media$ lsblk -l /dev/sda1
NAME MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda1   8:1    0  1.8T  0 part /media/me/MyHD
MOUNT:::
me@xps:/media$ mount | grep "^/dev/sda1"
/dev/sda1 on /media/me/MyHD type fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096,uhelper=udisks2)
So, I’m stuck.  Can anyone confirm if the naming convention is correct?
Is it still a possible permissions issue?
Thank you for any help.

