Remember you can't run SELinux and Overlay at the same time on RHEL/CENTOS until 7.4 kernel is released.
On 07/05/2017 04:45 PM, Mrunal Patel wrote:
cc'ed Nalin

On Wed, Jul 5, 2017 at 1:06 PM, Clayton Coleman <ccole...@redhat.com <mailto:ccole...@redhat.com>> wrote:

    Hrm, maybe when:

       CGroup: /system.slice/crio.service
               ├─ 8525 /usr/bin/crio --debug
               └─12888 storage-untar
    
/var/lib/containers/storage/overlay2/b4f07a49d6fdaf35b0cc6829bed2cfca98cef91b43c513152269365484ec0cfb/diff

    Is running, it hangs

    On Wed, Jul 5, 2017 at 4:05 PM, Clayton Coleman
    <ccole...@redhat.com <mailto:ccole...@redhat.com>> wrote:

        `sudo crioctl image list` hangs while downloading images
        (maybe it's only the first image)?  Turned on crio, started
        openshift, before the first image was pulled it hung when I
        tried to image list, but subsequent ones worked fine.

        On Wed, Jul 5, 2017 at 2:54 PM, Antonio Murdaca
        <run...@redhat.com <mailto:run...@redhat.com>> wrote:



            On Jul 5, 2017 8:47 PM, "Clayton Coleman"
            <ccole...@redhat.com <mailto:ccole...@redhat.com>> wrote:

                On centos-7.3 ish:

                [vm]$ sudo crio --debug
                DEBU[2017-07-05 18:47:09.094408134Z] [graphdriver]
                trying provided driver "overlay2"
                FATA[2017-07-05 18:47:09.096470565Z] driver not supported

                post install. Something special I have to do to get
                overlay2 working on centos?


            This is probably missing a configuration option in
            /etc/crio/crio.conf

            Where is the dist-git for cri-o in centos? I might check
            it and fix it.

            Clayton, you should add this under "storage_option" in
            cri-o configuration file to get rid of that failure:

            "overlay2.override_kernel_check=1"


                On Wed, Jul 5, 2017 at 1:57 PM, Lokesh Mandvekar
                <l...@fedoraproject.org
                <mailto:l...@fedoraproject.org>> wrote:

                    Hi list,

                    I have packaged up cri-o, buildah and skopeo for
                    Ubuntu and CentOS. To get
                    them, just do:

                    (On Ubuntu 16.04.2 LTS and 17.04, install the
                    Project Atomic PPA)
                    % sudo apt-add-repository ppa:projectatomic/ppa
                    % sudo apt-get update
                    % sudo apt-get install cri-o buildah skopeo

                    (On CentOS 7, install the Virt SIG repo)
                    % sudo yum install
                    
https://lsm5.fedorapeople.org/centos-release-container-1-3.el7.noarch.rpm
                    
<https://lsm5.fedorapeople.org/centos-release-container-1-3.el7.noarch.rpm>
                    % sudo yum install cri-o buildah skopeo

                    Reviews/feedback/bugs appreciated :)
                    Thanks,
                    --
                    Lokesh
                    Freenode, OFTC: lsm5
                    GPG: 0xC7C3A0DD
                    https://keybase.io/lsm5







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