Mounting a CIFS share in a Docker container give an "Operation not supported" error

Solution In Progress - Updated -


  • Attempting to mount a CIFS share to a Docker container, however the container will fail to launch with an error message of "operation not supported".

  • The following message is logged in the Docker journal:

    docker[6431]: time="2016-04-04T19:53:53.882040651-04:00" level=error msg="Handler for POST /containers/create returned error: operation not supported"


  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux Atomic Host
  • Docker container attempting to mount a CIFS share

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