ReadyNas 314 not working with Seagate Expansion 5tb usb

the lsblk.log is identifying it fine

sdf
└─sdf1 ntfs Seagate Backup Plus Drive /media/USB_HDD_1
sdg
└─sdg1 ntfs Seagate Expansion Drive /media/USB_HDD_2

mounts.log file content

tmpfs on /dev type tmpfs (rw,noatime,nodiratime,size=10240k,mode=755)
devpts on /dev/pts type devpts (rw,noatime,nodiratime,mode=600)
/dev/md0 on / type btrfs (rw,noatime,nodiratime,nospace_cache)
proc on /proc type proc (rw,nosuid,nodev,noexec,noatime,nodiratime)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,noatime,nodiratime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
tmpfs on /run type tmpfs (rw,nosuid,nodev,mode=755)
tmpfs on /sys/fs/cgroup type tmpfs (rw,nosuid,nodev,noexec,mode=755)
cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,noatime,nodiratime,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd)
cgroup on /sys/fs/cgroup/cpu type cgroup (rw,nosuid,nodev,noexec,noatime,nodiratime,cpu)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,noatime,nodiratime,blkio)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,noatime,nodiratime,fd=24,pgrp=1,timeout=300,minproto=5,maxproto=5,direct)
tmpfs on /media type tmpfs (rw,nosuid,nodev,noexec,noatime,nodiratime,mode=755)
debugfs on /sys/kernel/debug type debugfs (rw,noatime,nodiratime)
fusectl on /sys/fs/fuse/connections type fusectl (rw,noatime,nodiratime)
configfs on /sys/kernel/config type configfs (rw,noatime,nodiratime)
/dev/sdf1 on /media/USB_HDD_1 type ufsd (rw,noatime,nodiratime,nls=utf8,fmask=0,dmask=0)
/dev/sdg1 on /media/USB_HDD_2 type ufsd (rw,noatime,nodiratime,nls=utf8,fmask=0,dmask=0)
/dev/md127 on /data type btrfs (rw,noatime,nodiratime,nospace_cache)
/dev/md127 on /home type btrfs (rw,noatime,nodiratime,nospace_cache)
/dev/md127 on /apps type btrfs (rw,noatime,nodiratime,nospace_cache)
/dev/sdf1 on /run/nfs4/media/USB_HDD_1 type ufsd (rw,noatime,nodiratime,nls=utf8,fmask=0,dmask=0)