That is the issue right there.
“Pooled” drives usually don’t support “hard links”, which are essential for Plex’s data folder.
https://support.plex.tv/articles/201424327-why-do-i-get-metadata-but-no-images-for-my-library-items/
Your only option is to take a single drive (preferably internal, SSD), format it with NTFS
and move the Plex data folder onto it: Moving Metadata on Windows - #3 by OttoKerner
