So, here is the full log.
https://paste.opensuse.org/pastes/0757381cf960
rsync ended with
39,74G 85% 835,48kB/s 2:09:11 rsync: [receiver] write failed on "/run/media/kay/ffcd48be-e0e8-418a-ba1e-0606990f2d2f/digikam/2008/09/21/DSCF0179.jpeg": Read-only file system (30)
rsync error: error in file IO (code 11) at receiver.c(381) [receiver=3.4.1]
rsync: [sender] write error: Broken pipe (32)
So, I’m not sure, what you mean. The SSD (m.2) is the original ssd from my notebook in an external usb-box. It is connected via USB-C.
I already ordered a new external usb-box. It will arrive on monday or tuesday.