Docker device-mapper Storage Backend: Difference between revisions
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* https://docs.docker.com/engine/userguide/storagedriver/device-mapper-driver/ | * https://docs.docker.com/engine/userguide/storagedriver/device-mapper-driver/ | ||
* https://docs.docker.com/storage/storagedriver/device-mapper-driver/ | * https://docs.docker.com/storage/storagedriver/device-mapper-driver/ | ||
=Internal= | =Internal= | ||
Revision as of 17:36, 13 February 2018
External
- https://docs.docker.com/engine/userguide/storagedriver/device-mapper-driver/
- https://docs.docker.com/storage/storagedriver/device-mapper-driver/
Internal
Overview
Device-mapper driver metadata is stored in /var/lib/docker/devicemapper/metadata. Docker state can be reset by stopping docker and by removing /var/lib/docker/devicemapper/metadata directory. This will destroy existing docker images and containers and all the docker metadata.