It is possible. What is the docker command you are running? The thing I find really frustrating is that volumes do not support normal Windows paths. Why not? Why must I use //c/ notation?
Also, it doesn’t appear to work with dashes in the path. I’m doing this in PowerShell with beta 9 and none actually mount the folder with a dash in it.
cd $home
mkdir a-b
echo 'test' > a-b\c.txt
docker run --rm -it -v C:\Users\cameron\a-b:/a-b ubuntu:14.04
docker run --rm -it -v //C/Users/cameron/a-b:/a-b ubuntu:14.04
docker run --rm -it -v //c/Users/cameron/a-b:/a-b ubuntu:14.04