MB pro black with USB-stick

[engelbert]

i have a meteobridge pro black and a USB stick 8G on the front panel see photo's. The meteobridge no longer stores anything on the USB. The internal USB is full it says. I have already replaced the 8G USB stick with a 32G. No improvement.
What could be the cause of this? What can I do?
Is the MB broken?
Can I also format the internal USB?
I've attached some pictures that may clarify this.
All data on the internal USB has no value see photo2 everything is 0byte how is this possible?
Thanks in advance
Gr Engelbert

[Gyvate]

did you restart/reboot your MB ?
If not do so, if yes do so again. In any case post the log file (screencopy or text) showing the start up logging ...
can you also post a screencopy of the System --> Information page ?
There it says what the status of your storage is, however possibly only the internal storage.
You can connect via SSH using e.g. using the PuTTY program (download and install on your computer, username and password for login like your browser interface) and issue the
df -h
and
ls /dev/sd* -l
commands and post the results here

when you use an external USB device for your database (not recommended except its a SLC USB stick, a self-powered SSD or a USB converter with a SLC micro SD - your USB stick may be easily killed by too many database writes),
you can free intrnal storage. Probably an earlier version of your database is still on the internal USB stick and occupies space. This old data can be removed and free space which the MB may need for its software stack (the MB software).