--- title: "Migrate a data volume" date: 2018-01-30 description: How to migrate a data volume between two hosts tags: - docker - linux --- ## The command Here is how to migrate a data volume between two of your hosts. A rsync of the proper `/var/lib/docker/volumes` subfolder would work just as well, but here is a fun way to do it with docker and pipes : {{< highlight sh >}} export VOLUME=tiddlywiki export DEST=10.1.0.242 docker run --rm -v $VOLUME:/from alpine ash -c "cd /from ; tar -cpf - . " \ | ssh $DEST "docker run --rm -i -v $VOLUME:/to alpine ash -c 'cd /to ; tar -xfp - ' " {{< /highlight >}}