docker-volume-backup

goal

This script backups all docker-volumes with the help of rsync.

scheme

It is part of the following scheme: Further information you will find in this blog post.

Backup all volumes

Execute:

./docker-volume-backup.sh

Recover one volume

Execute:

bash ./docker-volume-recover.sh "{{volume_name}}" "$(sha256sum /etc/machine-id | head -c 64)"

Debug

To checkout what's going on in the mount container type in the following command:

docker run -it --entrypoint /bin/sh --rm --volumes-from {{container_name}} -v /Backups/:/Backups/ kevinveenbirkenbach/alpine-rsync

Optimation

This setup script is not optimized yet for performance. Please optimized this script for performance if you want to use it in a professional environment.

Stucking rsync

• https://stackoverflow.com/questions/20773118/rsync-suddenly-hanging-indefinitely-during-transfers

More information

• https://docs.docker.com/storage/volumes/
• https://blog.ssdnodes.com/blog/docker-backup-volumes/
• https://www.baculasystems.com/blog/docker-backup-containers/
• https://gist.github.com/spalladino/6d981f7b33f6e0afe6bb
• https://stackoverflow.com/questions/26331651/how-can-i-backup-a-docker-container-with-its-data-volumes
• https://netfuture.ch/2013/08/simple-versioned-timemachine-like-backup-using-rsync/
• https://zwischenzugs.com/2016/08/29/bash-to-python-converter/