[errno 28] no space left on device... but it has 432gb free.

hey all!
I am new in this forum and I need your help.
Recently I installed opensuse with mdadm to make the raid 5. The /md0 is mounted in /home. Now, I have a problem, the system says [errno 28] no space left on device, but I run a df and it says the opossite. I dont get it, because the system it says 432Gb free in /home.
Here there are a few screenshots:




thanks in advance!

Please don’t double post. Makes for much confusion.

Im sorry, but i dont know where post the question.