NBD-based rbd client for the Ceph distributed file system

 Ceph is a massively scalable, open-source, distributed
 storage system that runs on commodity hardware and delivers object,
 block and file system storage. This is a
 NBD-based client that allows one to map Ceph rbd images as local
 block device.
 .
 NBD base client that allows one to map Ceph rbd images as local
 block device.