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I have an Ubuntu based Droplet on DigitalOcean which has 25GB of Storage. I am using it to run Backups from 2 different Machines.

  • Backup 1 is going to /home/server1/ (should have a total of 25GB of disk available)

  • Backup 2 is goint to /mnt/volume_sgp1_01/server2/ (this should be the VOLUMES part of 200GB)

Since 25GB are not enough for my scope I have added a VOLUMES plan, which gave me an additional 200GB on a mounted drive, the problem now however seems that the mounted device also takes up space on the main droplet. Here an example:

    4.0K    lib64
    4.0K    media
    4.0K    opt
    4.0K    srv
    8.0K    snap
    16K     lost+found
    32K     root
    40K     tmp
    608K    run
    5.3M    etc
    15M     bin
    15M     sbin
    76M     boot
    171M    lib
    855M    usr
    1.3G    var
    6.5G    home
    14G     mnt
    23G     total

The 14GB of mnt seem to be used / allocated on my Droplet as well, however that should not be the case.

I have added the SPACES (mnt) using the original instructions being:

    # Create a mount point for your volume:
    $ mkdir -p /mnt/volume_sgp1_01

    # Mount your volume at the newly-created mount point:
    $ mount -o discard,defaults,noatime /dev/disk/by-id/scsi-0DO_Volume_volume-sgp1-01 /mnt/volume_sgp1_01

    # Change fstab so the volume will be mounted after a reboot
    $ echo '/dev/disk/by-id/scsi-0DO_Volume_volume-sgp1-01 /mnt/volume_sgp1_01 ext4 defaults,nofail,discard 0 0' | sudo tee -a /etc/fstab

I am not really a LINUX expert, however I think there is definately something wrong here, perhaps I mounted it incorrectly or why is mnt using up disk space on my 25GB? Some expert help would be really appreciated. Thank you!

Sara Phan
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    `du` does not care about mounts. It sums all given files and directories. If you want to see only what's on your root partition use the parameter `--one-file-system` (or `-x`). – Gerald Schneider Jun 05 '19 at 09:02
  • Thanks for the information, however if I log in over SSH I get: Usage of /: 94.9% of 24.06GB and I get a low disk space message – Sara Phan Jun 05 '19 at 09:15
  • You may want to unmount /mnt/volume_sgp1_01 and run `du -hd1 /mnt` to see if there's anything in the actual /mnt directory that's using space. – Joel C Jun 05 '19 at 20:12

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