Dear maintainer,please close the bug I found a solution. It looks like that Root on NFS require NFSv2. But on Buster is disabled.
To enable it add to /etc/default/nfs-kernel-server RPCNFSDOPTS="-V 2" and restart /etc/init.d/nfs-kernel-server .
Regards Dan -- Mydatex s r.o. http://www.mydatex.cz email: smo...@mydatex.cz mob: 604200362
