/etc/exportfs on Synology NAS
/volume1/homes/pi/mariadb_backup 192.168.1.0/24(rw,async,no_wdelay,no_root_squash,insecure_locks,sec=sys,anonuid=1032,anongid=100)/etc/fstab on Raspberry Pi
nas.local.lan:/volume1/homes/pi/mariadb_backup /backup nfs auto,rsize=8192,wsize=8192,atime,auto,rw,exec,nfsvers=3 0 0