Docker dm_task_run failed error

Question

Today I first time installed docker on Fedora 21. Now, I need change location of docker images folder from default /var/lib/docker.

After copying files (devicemapper sub

Answer 1

I encounter another dm_task_run issue during docker import, for my case, I yum erase docker.x86_64; yum install docker.x86_64; systemctl start docker.service works.