Docker fails to start

Solution Verified - Updated -

Issue

  • Docker daemon fails to start after deleting /var/lib/docker
  • How to recreate docker-pool
  • Getting these storage errors in /var/log/messages:
 Error starting daemon: error initializing graphdriver: devmapper: Unable to take ownership of thin-pool (docker--pool) that already has used data blocks
 docker.service: main process exited, code=exited, status=1/FAILURE

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Atomic Host
  • OpenShift Container Platform
  • Docker

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