# /etc/fstab: static file system information.
#
# Use ‘blkid -o value -s UUID’ 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).
#
#
proc /proc proc defaults 0 0
# / was on /dev/sda1 during installation
UUID=6db2a561-9e3d-479e-b746-9bea4fa84498 / ext3 errors=remount-ro 0 1
# swap was on /dev/sda6 during installation
UUID=343bab81-b0a1-40f2-b21b-f8a22ff4f1f8 none swap sw 0 0
/dev/scd0 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0
/dev/fd0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0
/dev/sda5 /media/drive_D vfat auto,users,uid=1000,gid=1000,utf8,dmask=027,fmask=137 0 0
setelah mencari sana sini, ternyata aku cukup menambahkan perintah seperti di baris terakhir yang ditebalkan agar Ubuntu secara otomatis auto mount drive pada saat booting.
source : Ubuntu.com