I'm upgrading my cache driver to a larger size, and I'm following this guide:
https://wiki.unraid.net/Replace_A_Cache_Drive
Which uses the mover to clear out your cache drive before the swap.
After step 4, I check the cache drive to see if it is empty. It's mostly empty, except for all of the symlinks in:
/mnt/cache/appdata/binhex-plex/Plex Media Server/Metadata
It seems that the mover cannot move these. To save them I used ssh and move