marcelrv

Docker migrate to overlay2 from aufs script

Crazy that this is pretty much forced change without proper transition script

note. Based on https://www.sylvaincoudeville.fr/2019/12/docker-migrer-le-stockage-aufs-vers-overlay2/ NOT WORKING!!!! IF FOLLOWING THE ABOVE.. SOMEHOW THE CONTAINERS DO NOT RE-APPEAR!

The only way I found that is somewhat automated is the the docker-compose way..

Which is still not 100% and require manual fixing of stupid errors of the docker-compose tool (mainly things that ere not interpreted right, like dates & userIds that need to manually surrounded by quotes etc)

alfredkrohmer

Proposal: Deduplicated storage and transfer of container images

Docker uses layers to build containers and images on top of other images. This saves storage and transfer of layers already existing on the system. Rkt uses no layers and needs to fully download any new image.

This document proposes to use deduplication to store and transfer container images. This has multiple advantages over layering: