In the section “Backup, restore, or migrate data volumes” on https://docs.docker.com/engine/userguide/dockervolumes there is a restore example using:
docker run -v /dbdata --name dbdata2 ubuntu /bin/bash
and then
docker run --volumes-from dbstore2 -v $(pwd):/backup ubuntu bash -c “cd /dbdata && tar xvf /backup/backup.tar”
I would have expected the --volumes-from to be dbdata2 not dbstore2.
Or am I missing something?