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Configuring the Docker storage volume

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Before installing Docker, you might need to format the Docker storage volume and mount it on /var/lib/docker.

About this task

You can skip these steps if you plan to use local storage for the Docker storage volume and have sufficient space available on the host partition containing /var/lib.

Steps

  1. Create a file system on the Docker storage volume:

    sudo mkfs.ext4 docker-storage-volume-device

  2. Mount the Docker storage volume:

    sudo mkdir -p /var/lib/docker
sudo mount docker-storage-volume-device /var/lib/docker

  3. Add an entry for docker-storage-volume-device to /etc/fstab.

    This step ensures that the storage volume will remount automatically after host reboots.