Data Directory

Create directory

sudo mkdir -p /appdata/containerd/

Copy files

sudo rsync -aP /var/lib/containerd/ /appdata/containerd/

Update configuration

sudo sed -i 's/^\(root = \)".*"/\1"\/appdata\/containerd"/' /etc/containerd/config.toml

cat /etc/containerd/config.toml | grep "/appdata/containerd"

Restart service

sudo systemctl restart containerd