Henrik Mühe About me About me All posts All posts Atom Feed Switching Docker from aufs to devicemapper By Henrik Mühe Henrik Mühe, February 28, 2014 We use Docker for various teaching webservices ( Codematch , Xquery , Datalog ) we want to offer to students but which should not cause our webserver to be more exposed. Docker has been good so far and we have already used the architecture to migrate all containers from the original dev host to the production webserver host. Here, we’ll talk about switching from AUFS to Devicemapper as a storage backend. I can not attest to either storage backend being strictly better or worse than the other. However, for us the benefit is being able to run IBM DB2 without resorting to mounting an external volume for the DB2 container. This is beneficial, as using external storage break the versioned architecture of d...