I have changed USB drive to a previous one a FAT32 these are the current settings and it is currently all working I have restarted, deep sleep etc many times no issues usually goes wrong overnight so have to wait unit 2moz!!!!!!!!!!!!
rootfs / auto defaults 1 1
proc /proc proc defaults 0 0
devpts /dev/pts devpts mode=0620,gid=5 0 0
usbdevfs /proc/bus/usb usbdevfs noauto 0 0
tmpfs /var/volatile tmpfs defaults 0 0
usbfs /proc/bus/usb usbfs defaults 0 0
UUID=5C13-EDBD /media/usb msdos defaults 0 0
UUID=2457-DCE8 /media/usb vfat defaults 0 0
UUID=ac02e4fe-9b93-4051-92f4-31100ea3f080 /media/hdd auto defaults 0 0
UUID=7C92-BF32 /media/usb vfat defaults 0 0
root@vuultimo:~# blkid
/dev/ubi0_0: UUID="0bac04dd-9aa2-4628-91e9-8f395991630b" TYPE="ubifs"
/dev/sda1: UUID="ac02e4fe-9b93-4051-92f4-31100ea3f080" TYPE="ext4"
/dev/sdb1: UUID="7C92-BF32" TYPE="vfat"
root@vuultimo:~#
root@vuultimo:~# mount
rootfs on / type rootfs (rw)
ubi0:rootfs on / type ubifs (rw,sync,relatime)
devtmpfs on /dev type devtmpfs (rw,relatime,size=137556k,nr_inodes=34389,mode=75
5)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
tmpfs on /media type tmpfs (rw,relatime,size=64k)
/dev/sda1 on /media/hdd type ext4 (rw,relatime,barrier=1,data=ordered)
/dev/sdb1 on /media/usb type vfat (rw,relatime,fmask=0000,dmask=0000,allow_utime
=0022,codepage=cp437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
tmpfs on /var/volatile type tmpfs (rw,relatime)
usbfs on /proc/bus/usb type usbfs (rw,relatime)
devpts on /dev/pts type devpts (rw,relatime,gid=5,mode=620)
root@vuultimo:~#