Mount Synology NAS share on Raspberry

/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