How do I change the default docker container location? [duplicate]

Answer 1

You can perform the following steps to modify the default docker image location, i.e /var/lib/docker:-

1. Stop Docker

   # systemctl stop docker
   # systemctl daemon-reload
   

2. Add the following parameters to /lib/systemd/system/docker.service.

   FROM:
   ExecStart=/usr/bin/dockerd
   TO:
   ExecStart=/usr/bin/docker daemon -g /mnt/hugedrive/docker/
   

3. Create a new directory and rsync the current docker data to new directory.

   # mkdir /mnt/hugedrive/docker/
   # rsync -aqxP /var/lib/docker/ /mnt/hugedrive/docker/
   

4. Now, Docker Daemon can be started safely

   # systemctl start docker