#systemctl status docker.service
?.docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Wed 2017-02-15 14:31:15 CST; 4s ago
Docs: https://docs.docker.com
Process: 3685 ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock --insecure-registry=reg.docker.tude.com --registry-mirror=https://njo3o4it.mirror.aliyuncs.com --cluster-advertise=eth0:2375 --storage-driver=devicemapper --storage-opt=dm.thinpooldev=/dev/mapper/docker-thinpool --storage-opt=dm.use_deferred_removal=true --storage-opt=dm.use_deferred_deletion=true --ipv6=false (code=exited, status=1/FAILURE)
Main PID: 3685 (code=exited, status=1/FAILURE)
Feb 15 14:31:14 dev-nd6.internal.tude.com systemd[1]: Starting Docker Application Container Engine...
Feb 15 14:31:14 dev-nd6.internal.tude.com dockerd[3685]: time="2017-02-15T14:31:14.943934996+08:00" level=warning msg="[!] DON'T BIND ON ANY IP ADDRESS WITHOUT setting -tlsverify IF YOU DON'T KNOW WHAT YOU'RE DOING [!]"
Feb 15 14:31:14 dev-nd6.internal.tude.com dockerd[3685]: time="2017-02-15T14:31:14.945458591+08:00" level=info msg="libcontainerd: new containerd process, pid: 3692"
Feb 15 14:31:15 dev-nd6.internal.tude.com dockerd[3685]: time="2017-02-15T14:31:15.985984108+08:00" level=fatal msg="Error starting daemon: error initializing graphdriver: devmapper: Unable to take ownership ...d data blocks"
Feb 15 14:31:15 dev-nd6.internal.tude.com systemd[1]: docker.service: main process exited, code=exited, status=1/FAILURE
Feb 15 14:31:16 dev-nd6.internal.tude.com systemd[1]: Failed to start Docker Application Container Engine.
Feb 15 14:31:16 dev-nd6.internal.tude.com systemd[1]: Unit docker.service entered failed state.
Feb 15 14:31:16 dev-nd6.internal.tude.com systemd[1]: docker.service failed.
Hint: Some lines were ellipsized, use -l to show in full.
http://stackoverflow.com/questions/31779469/docker-vagrant-centos-7-cannot-start
去掉 storage-opt 参数