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# systemctl stop docker.service
# thin_check /var/lib/docker/devicemapper/devicemapper/metadata
If there were no errors then proceed with:
# thin_check --clear-needs-check-flag /var/lib/docker/devicemapper/devicemapper/metadata
# systemctl start docker.service
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原文地址：http://www.cnblogs.com/276815076/p/4673607.html
