# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
# / was on /dev/sda5 during installation
UUID=64cdd7d0-4258-4b50-93c5-ed290ffabf76 / ext4 errors=remount-ro 0 1
# /boot was on /dev/sda1 during installation
UUID=88de836f-40cf-44fb-9ca9-f4ca9c59c18b /boot ext4 defaults 0 2
# swap was on /dev/sda2 during installation
UUID=b239f38d-3537-42dd-9cb0-2ce10221c3d4 none swap sw 0 0
/dev/sr0 /media/cdrom0 udf,iso9660 user,noauto 0 0
a principio comenta o "backup" do fstab para ele não montar automaticamente, aí vc encerra a sessão ou reinicia e monta o "backup" manualmente, volta no 'df-h' pra ver se ele montou de boa e aonde foi montado e posta o "ls-la" dele
EX:
ls -la /media/backup
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" Nem sempre é amigo aquele que te tira do buraco !!! ( Saddam Hussein )"