Docker “device or resource busy” 异常

错误如下图： device or resource busy 解决方法 cat /proc/mounts | grep "mapper/docker" | awk '{print $2}' 然后卸载挂载的文件系统 umount /var/lib/docker/devicemapper/mnt/7be670b7513e1ef57246582d8241741a3e6b92f962f16fc580490

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