1、Error running DeviceCreate (createPool) dm_task_run failed
rm -rf /var/lib/docker/* #(记得备份重要数据)
https://my.oschina.net/u/1188877/blog/422405?p=1
2、Error starting daemon: error initializing graphdriver: devmapper: Unable to take ownership...d data blocks
http://stackoverflow.com/questions/40162022/direct-lvm-stops-working-after-reboot