报错信息：

devmapper: Thin Pool has 82984 free data blocks which is less than minimum required 163840 free data blocks. Create more free space in thin pool or use dm.min_free_space option to change behavior

解决方案:

Just run these three. No need to remove RUNNING containers.

1. Cleanup exited processes:
   
    

   1 2	docker rm $ ( docker ps - q - f status = exited )

2. Cleanup dangling volumes:
   
    

   1 2	docker volume rm $ ( docker volume ls - qf dangling = true )

3. Cleanup dangling images:
   
    

   1	docker rmi $ ( docker images -- filter "dangling=true" - q -- no - trunc )         http://www.503error.com/2017/space-issue-on-docker-devmapper-and-centos7/1389.html