Well, one of your volumes is out of space – most likely, /var/lib/docker cannot be written to anymore, as @Falco mentioned above. You will need to make sure this folder sits on your external drive too.
Well, one of your volumes is out of space – most likely, /var/lib/docker cannot be written to anymore, as @Falco mentioned above. You will need to make sure this folder sits on your external drive too.