At different places I found the information that a docker image can only consist of up to 42 layers. This seems to be a limitation of the used AUFS file system. Can anybody tell me why this l...

Is it possible to mount an overlay fs inside a (privileged) docker container? At least my intuitive approach, which works fine outside of a container, fails: > mkdir /tmp/{up,low,work,merged} &g...

If I have a directory d1/, I know I can mount it at /mountPoint inside a Docker container by doing this: docker run -v /path/to/d1:/mountPoint ... However, I have two directories d1/ and d2/ (le...

Is there a way to mount multiple volumes from a host to form a single target mount point? A bit like this: docker run --name ubuntu_bash \ --rm --interactive --tty \ --volume=/media/Large/videos...

From the Docker documentation : The Docker image is read-only. When Docker runs a container from an image, it adds a read-write layer on top of the image (using a UnionFS) in which your applica...

I am trying to benchmark the overall system performance of running Docker using the Phoronix Test Suite 6.4.0 Milestone 2 running inside a fedora:23 image based container. One thing that must be c...

When committing a running container with docker commit, is this creating a consistent snapshot of the filesystem? I'm considering this approach for backing up containers. You would just have to do...