Including External Storage failed -> protocol: php error - filesize() & stat() -

Hi, i tried to set up ncp on a raspberry pi via docker. Everything from the last sentence, except trying, is new to me :man_student:, but i managed to get it running (at least the ncp). Details are at the bottom.

My problem start when i try to add my external storage (Raid 1 - USB Drive). This is what the protocol hints at me:

[PHP] Error: filesize(): stat failed for /mnt/unityMnt/ at /data/nextcloud/lib/private/LargeFileHelper.php#172

PUT /index.php/apps/files_external/globalstorages/5
from 192.168.178.49 by ncp at 2020-06-28T22:04:43+02:00
[PHP] Error: stat(): stat failed for /mnt/unityMnt/ at /data/nextcloud/lib/private/Files/Storage/Local.php#144

PUT /index.php/apps/files_external/globalstorages/5
from 192.168.178.49 by ncp at 2020-06-28T22:04:43+02:00
{"reqId":"Xvj@1dAWcJDJTnRPBVDl-QAAQhY","level":3,"time":"2020-06-28T22:34:30+02:00","remoteAddr":"192.168.178.49","user":"ncp","app":"PHP","method":"GET","url":"/index.php/apps/files_external/globalstorages/7?testOnly=true","message":"filesize(): stat failed for /mnt/unityMnt/ at /data/nextcloud/lib/private/LargeFileHelper.php#172","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:77.0) Gecko/20100101 Firefox/77.0","version":"18.0.3.0","id":"5ef901f9cbd48"}

{"reqId":"Xvj@1dAWcJDJTnRPBVDl-QAAQhY","level":3,"time":"2020-06-28T22:34:30+02:00","remoteAddr":"192.168.178.49","user":"ncp","app":"PHP","method":"GET","url":"/index.php/apps/files_external/globalstorages/7?testOnly=true","message":"stat(): stat failed for /mnt/unityMnt/ at /data/nextcloud/lib/private/Files/Storage/Local.php#144","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:77.0) Gecko/20100101 Firefox/77.0","version":"18.0.3.0","id":"5ef901f9cbdac"}

These are the installation details:

Nextcloud itself is up and running (on the SD). It is a bit slower than expected, but still fine.

I tried different syntax to add the external storage:

I searched through the forum and tried one or two things, i wasn’t successfull yet. Maybe someone has another hint at what to do.

Thanks in advance :slight_smile: