Re: [atomic-devel] Storage for system containers

Daniel Walsh <dwalsh@xxxxxxxxxx> · Tue, 25 Apr 2017 09:12:39 -0400



    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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