Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. The nbd-client on Linux allows you to mount a remote server implementing the NBD protocol as a local block device. This NBDServer exports volumes whose data is stored in FoundationDB. This gives you a highly scalable, high performance, reliable block device that you can then format and put a filesystem on it.