On 03/16/2016 01:15 PM, Daniel J Walsh wrote: > > > On 03/16/2016 12:35 PM, Dusty Mabe wrote: >> >> On 03/16/2016 12:02 PM, Daniel J Walsh wrote: >>> >>> On 03/16/2016 11:42 AM, Dusty Mabe wrote: >>>> On 03/16/2016 10:51 AM, Daniel J Walsh wrote: >>>>> On 03/16/2016 10:47 AM, Dusty Mabe wrote: >>>>>> I am using the updates-testing f23 atomic host that has docker 1.10. I >>>>>> want to have a shared mount between the host and a docker container. >>>>>> >>>>>> I'm trying to do it but I keep getting an error >>>>>> >>>>>> ``` >>>>>> [vagrant@vanilla-f23atomic ~]$ rpm -q docker >>>>>> docker-1.10.2-6.git0f5ac89.fc23.x86_64 >>>>>> [vagrant@vanilla-f23atomic ~]$ sudo atomic host status >>>>>> TIMESTAMP (UTC) VERSION ID OSNAME >>>>>> REFSPEC >>>>>> * 2016-03-12 16:53:31 23.87 53e922e968 fedora-atomic >>>>>> fedora-atomic:fedora-atomic/f23/x86_64/testing/docker-host >>>>>> 2016-03-16 00:49:16 23.84 b428a17d6f fedora-atomic >>>>>> fedora-atomic:fedora-atomic/f23/x86_64/docker-host >>>>>> [vagrant@vanilla-f23atomic ~]$ sudo mount --make-shared / >>>>>> [vagrant@vanilla-f23atomic ~]$ sudo docker run -it --privileged --rm -v >>>>>> /tmp/sharedfolder:/tmp/sharedfolder:shared sshfs /bin/bash >>>>>> docker: Error response from daemon: Cannot start container >>>>>> 7e99752dd8f2812a7d7acaa58594504be936b6f37aa77b6521a7098450343837: Path >>>>>> /tmp/sharedfolder is mounted on /sysroot but it is not a shared mount.. >>>>>> ``` >>>>>> >>>>>> I think this should work because this commit is in docker 1.10: >>>>>> https://github.com/docker/docker/pull/17034/commits >>>>>> >>>>>> Am I doing something wrong? >>>>>> >>>>>> Dusty >>>>>> >>>>> Did you turn off sharing in the docker unit file? >>>> I did not change anything but this is set in the docker unit file: >>>> >>>> [vagrant@vanilla-f23atomic ~]$ rpm -qV docker | grep docker.service >>>> .......T. /usr/lib/systemd/system/docker.service >>>> [vagrant@vanilla-f23atomic ~]$ grep Mount >>>> /usr/lib/systemd/system/docker.service >>>> MountFlags=slave >>>> >>>> Dusty >>> Remove this line and reload and restart the unit file. >> So I changed it to 'shared' and it worked. What should be in the unit file? >> Is >> MoutFlags=slave what we want there or should I open a bug? >> >> Dusty >> > We want nothing in there. The reason this was originally added was for > performance > when running hundreds of containers. I do not believe this is needed > any longer. > > If you installed docker-1.10, it should have updated the service file > and removed this flag. > > If the flag is still there, it is a bug in docker-1.10.
https://bugzilla.redhat.com/show_bug.cgi?id=1318547
