How to deal with full system disk? Cannot login to web GUI only

    • OMV 4.x
    • Resolved
    • How to deal with full system disk? Cannot login to web GUI only

      I have found similar issues from the forum, but I'm not sure about the solution. I can ssh to my box, 1 directory is 100% full. I have no idea how to clean up, which I assume is the solution so that i can access GUI again. Here are some stats. Thanks in advance.

      I edited and what I see is the /var/lib/docker/overlay2/* is growing with many files a day. I have no idea what this is.

      root@omv4:/etc# df -hx --max-depth=1 /
      Filesystem Size Used Avail Use% Mounted on
      /dev/sda1 47G 47G 0 100% /

      root@omv4:~# df -h
      Filesystem Size Used Avail Use% Mounted on
      udev 3.9G 0 3.9G 0% /dev
      tmpfs 791M 9.3M 782M 2% /run
      /dev/sda1 47G 47G 0 100% /
      tmpfs 3.9G 0 3.9G 0% /dev/shm
      tmpfs 5.0M 0 5.0M 0% /run/lock
      tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
      tmpfs 3.9G 0 3.9G 0% /tmp
      West:East500:General3 4.6T 52G 4.6T 2% /srv/856d8063-215e-4188-aa10-08d5bb74f6a7
      /dev/sdd1 3.6T 12G 3.6T 1% /srv/dev-disk-by-label-General3
      /dev/sdb1 586G 41G 546G 7% /srv/dev-disk-by-label-East500
      /dev/sdc1 458G 73M 458G 1% /srv/dev-disk-by-label-West
      overlay 47G 47G 0 100% /var/lib/docker/overlay2/1e29c41a26504c517fb1fadd9f0d8c4d3b9a5c0db646139886d1f6f3c46287b6/merged
      overlay 47G 47G 0 100% /var/lib/docker/overlay2/efd5d14e3239a070934d16a04c102323de838eb5cb18d0d69679d6def1b411fb/merged
      overlay 47G 47G 0 100% /var/lib/docker/overlay2/64f330bc22a89d90138a194940aef5dcce7aa084caea52b40678d15dfda2972f/merged
      overlay 47G 47G 0 100% /var/lib/docker/overlay2/4951a8853d4bacb8bde1a2d7ac3b7bcefd6f8e1758fc88ac326ed1886a4e5c8f/merged

      overlay 47G 47G 0 100% /var/lib/docker/overlay2/a3e154fa356f17081c9ece789633ab40ce506aa993f29b01af3e9c29e178a4d7/merged

      The post was edited 1 time, last by rdmATX ().

    • So with extra searching, I ran one command:

      docker system prune -a -f

      And that began to delete some of the files:

      /dev/sda1 47G 41G 4.6G 90% /
      /dev/sda1 47G 32G 14G 70% /
      /dev/sda1 47G 30G 16G 66% /
      /dev/sda1 47G 25G 20G 56% /
      /dev/sda1 47G 20G 26G 44% /
      /dev/sda1 47G 15G 30G 34% /
      /dev/sda1 47G 14G 32G 31% /

      I don't know what these files are, but this seems to be the key!

      I am able to reach the GUI!
    • better if add the crontab in webGUI, to avoid loss on reboot & updates.
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