Re: [atomic-devel] Storage for system containers

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Also rm -rf /var/lib/docker in a devicemapper world is not a good idea. You end up in a strange world which could leak devices and resources.

atomic storage reset

Is the preferred way.

On 04/24/2017 11:57 PM, Ben Breard wrote:
The only issue I have with using the same location is that when troubleshooting, it's fairly common to wipe the storage pool. I think we'd want users to rm -rf /var/lib/docker without worrying about removing system containers.

Is this still an issue after the current partition scheme moves to OverlayFS?

On Mon, Apr 24, 2017 at 12:56 PM, Dusty Mabe <dusty@xxxxxxxxxxxxx> wrote:
NOTE: please reply-all when responding to this message


In Fedora Atomic Host if we use system containers as advertised
we end up using `atomic pull --storage ostree` which by default
throws images into /var/lib/containers/atomic/. This is on the
root filesystem which may be undesirable.

Since in Fedora 26 the new version of container-storage-setup allows
us greater control over a "CONTAINER_ROOT" should we consider trying
to make sure both ostree storage and docker storage get placed under
that CONTAINER_ROOT?

The current default [1] is to just mount the CONTAINER_ROOT on
/var/lib/docker.

Dusty

[1] https://src.fedoraproject.org/cgit/rpms/docker.git/tree/docker.spec?h=f26#n535




--

Ben Breard
Sr Technology Product Manager - Linux Containers
Mobile: 972-816-9081


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