当exec-opt native.cgroupdriver更改为“cgroupfs”时，docker无法正确运行？
my os version : centos7.3 kenerl version : 3.10.0-514.16.1.el7.x86_64 docker version : 1.12.6 修改systemd中的选项“–exec-opt native.cgroupdriver”到cgroupfs后，修改configuration文件“/lib/systemd/system/docker.service”。 我发现docker不能运行任何图像！
[root@surenode2 system]# cat /lib/systemd/system/docker.service |grep cgroup --exec-opt native.cgroupdriver=cgroupfs \ [root@surenode2 system]# docker images | grep mysql docker.io/mysql latest e799c7f9ae9c 3 weeks ago 407.3 MB [root@surenode2 system]# docker run -p 3307:3307 -e MYSQL_ROOT_PASSWORD=123456 -d mysql 3395c8d505d3fc20d39e25c510a090649f9f447bce985028ea7274e79183d077 /usr/bin/docker-current: Error response from daemon: invalid header field value "oci runtime error: container_linux.go:247: starting container process caused \"process_linux.go:334: running prestart hook 1 caused \\\"error running hook: exit status 1, stdout: , stderr: \\\"\"\n".
而且，如果我将exec-opt native.cgroupdriver更改为systemd，Docker可以运行任何图像。
Docker 1.12.6（“社区版”）是EOL，不再支持;
我们可以安装最新的docker版本参考' https://docs.docker.com/engine/installation/linux/centos/ '。
当使用最新的docker版本时，这个问题不再重现！
[root@surenode1 ~]# docker info Containers: 0 Running: 0 Paused: 0 Stopped: 0 Images: 0 Server Version: 17.05.0-ce Storage Driver: devicemapper Pool Name: docker-253:1-393732-pool Pool Blocksize: 65.54kB Base Device Size: 10.74GB Backing Filesystem: xfs Data file: /dev/loop0 Metadata file: /dev/loop1 Data Space Used: 11.8MB Data Space Total: 107.4GB Data Space Available: 50.86GB Metadata Space Used: 581.6kB Metadata Space Total: 2.147GB Metadata Space Available: 2.147GB Thin Pool Minimum Free Space: 10.74GB Udev Sync Supported: true Deferred Removal Enabled: false Deferred Deletion Enabled: false Deferred Deleted Device Count: 0 Data loop file: /var/lib/docker/devicemapper/devicemapper/data Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata Library Version: 1.02.135-RHEL7 (2016-11-16) Logging Driver: json-file Cgroup Driver: cgroupfs Plugins: Volume: local Network: bridge host macvlan null overlay Swarm: inactive Runtimes: runc Default Runtime: runc Init Binary: docker-init containerd version: 9048e5e50717ea4497b757314bad98ea3763c145 runc version: 9c2d8d184e5da67c95d601382adf14862e4f2228 init version: 949e6fa Security Options: seccomp Profile: default Kernel Version: 3.10.0-514.16.1.el7.x86_64 Operating System: CentOS Linux 7 (Core) OSType: linux Architecture: x86_64 CPUs: 1 Total Memory: 3.702GiB Name: surenode1 ID: NIYU:7BRX:JIQP:ZJMW:ZV6N:3336:5JSB:MWVQ:WR72:AO7J:QOEW:CHCA Docker Root Dir: /var/lib/docker Debug Mode (client): false Debug Mode (server): false Registry: https://index.docker.io/v1/ Experimental: false Insecure Registries: 127.0.0.0/8 Live Restore Enabled: false [root@surenode1 ~]# docker version Client: Version: 17.05.0-ce API version: 1.29 Go version: go1.7.5 Git commit: 89658be Built: Thu May 4 22:10:29 2017 OS/Arch: linux/amd64 Server: Version: 17.05.0-ce API version: 1.29 (minimum version 1.12) Go version: go1.7.5 Git commit: 89658be Built: Thu May 4 22:10:29 2017 OS/Arch: linux/amd64 Experimental: false [root@surenode1 tmp]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE mysql latest e799c7f9ae9c 3 weeks ago 407MB [root@surenode1 tmp]# ps -ef | grep docker root 10173 1 1 17:31 ? 00:00:03 /usr/bin/dockerd **--exec-opt native.cgroupdriver=cgroupfs** root 10177 10173 0 17:31 ? 00:00:00 docker-containerd -l unix:///var/run/docker/libcontainerd/docker-containerd.sock --metrics-interval=0 --start-timeout 2m --state-dir /var/run/docker/libcontainerd/containerd --shim docker-containerd-shim --runtime docker-runc root 10535 9634 0 17:34 pts/0 00:00:00 grep --color=auto docker [root@surenode1 tmp]# docker run -p 3307:3307 -e MYSQL_ROOT_PASSWORD=123456 -d mysql 8f2d30ea779b872604bdf0d3d500de16e17d1409cdc5b2688893202bfcebbf16 [root@surenode1 tmp]#
此外，我们可以find关于这个问题的错误描述。
https://bugzilla.redhat.com/show_bug.cgi?id=1444662