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Yes, you're right, if only 60Gb is enough, my server should do the job. I'll try to test docker over rclone and cifs (I think rclone is using sftp with hetzner and not cifs) and let you know

Hello,

Since I miss some space on my server and 47Gb out of 80Gb of the HD are used by docker, I follow this instructions to move docker to an external storage : https://docs.cloudron.io/storage/
Everything went well since I reboot the server : the tail -f /home/yellowtent/platformdata/logs/box.log
command shows an error saying that docker was unable to start :

Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

2024-01-01T19:40:23.326Z box:platform Error: Command failed: docker network create --subnet=172.18.0.0/16 --ip-range=172.18.0.0/20 --gateway 172.18.0.1 --ipv6 --subnet=fd00:c107:d509::/64 cloudron
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

    at ChildProcess.exithandler (node:child_process:419:12)
    at ChildProcess.emit (node:events:513:28)
    at maybeClose (node:internal/child_process:1091:16)
    at ChildProcess._handle.onexit (node:internal/child_process:302:5)

My /etc/systemd/system/docker.service.d/custom.conf file contains the following code

[Service]
ExecStart=
ExecStart=/usr/bin/dockerd -H fd:// --log-driver=journald --exec-opt native.cgroupdriver=cgroupfs --storage-driver=overlay2 --data-root=/mnt/external/docker --experimental --ip6tables

/mnt/external is mounted at startup through the following command: rclone --allow-non-empty --allow-other --config /root/.config/rclone/rclone.conf mount Hetzner: /mnt/external

Is somebody able to explain me what I am doing wrong ?