cgconfig service error when the docker starts

当启动 Docker 服务的时候,遇到如下错误:

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Starting cgconfig service: Error: cannot mount cpuset to /cgroup/cpuset: Device or resource busy
/sbin/cgconfigparser; error loading /etc/cgconfig.conf: Cgroup mounting failed
Failed to parse /etc/cgconfig.conf [FAILED]
Starting docker: [ OK ]

可以使用 cgclear 命令,清理一下。

之后记得先停止 Docker ,再启动。

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cgclear
service docker stop
service docker start

PS. OS = CentOS