April 4, 20179 yr For some reason, Docker engine stopped running and not able to start. I've attached my logs, and this seems to be relevant part: Apr 3 18:47:37 Tower root: starting docker ... Apr 3 18:47:38 Tower emhttp: shcmd (447): umount /var/lib/docker |& logger Apr 3 18:47:43 Tower emhttp: shcmd (459): set -o pipefail ; /usr/local/sbin/mount_image '/mnt/cache/docker/docker.img' /var/lib/docker 20 |& logger Apr 3 18:47:43 Tower kernel: BTRFS info (device loop0): disk space caching is enabled Apr 3 18:47:43 Tower kernel: BTRFS info (device loop0): has skinny extents Apr 3 18:47:43 Tower root: Resize '/var/lib/docker' of 'max' Apr 3 18:47:43 Tower kernel: BTRFS info (device loop0): new size for /dev/loop0 is 21474836480 Apr 3 18:47:43 Tower emhttp: shcmd (461): /etc/rc.d/rc.docker start |& logger Apr 3 18:47:43 Tower root: starting docker ... Apr 3 18:47:44 Tower emhttp: shcmd (463): umount /var/lib/docker |& logger Any ideas? tower-diagnostics-20170403-1847.zip
April 4, 20179 yr Author Just did the tried and true solution: delete docker.img and recreated... seems to start fine and now i'm restoring my containers
July 30, 20187 yr I found this oldish thread while searching for the same problem. I realized that once I switched to advanced mode (upper right) in WebGui > Settings > Docker then I could increase the size of the container, and then start the docker. No need to reinstall the images. Best Alex
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