centos7 docker 运行容器报错-overlay2

centos7 docker 运行容器报错

报错

Error response from daemon: error creating overlay mount to /var/lib/docker/overlay2/007018df729636dd7c3d22ea683d13b6f5f0657b7c2c9e0014c671id argument.
centos7 内核版本 3.10.0-229.el7.x86_64

运行 hello-world 容器:

docker run hello-world

报错:

/usr/bin/docker-current: Error response from daemon: error creating overlay mount to /var/lib/docker/overlay2/2dba6bbf247c36bffb11858d9a5c09127d5a9502af791bf4cb8dc538caccbd73/merged: invalid argument.

原因

这个是因为用的overlay2文件系统,而系统默认只能识别overlay文件系统

解决

  • 停掉docker服务
#systemctl stop docker

  • 修改配置文件,将文件里的overlay2改成overlay
vi /etc/sysconfig/docker-storage
DOCKER_STORAGE_OPTIONS="--storage-driver overlay "

  • 启动 docker
systemctl start docker

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