This is the Envoy file system, a project I did for my PhD dissertation:

  http://www.cl.cam.ac.uk/techreports/UCAM-CL-TR-690.html

The disseration contains the most complete description of the system.

To build it, you need OCaml and perl (both used in the build process,
but not in the end product), and you need the Boehm-Demers-Weiser
conservative garbage collector.  In Ubuntu, install this package:

  libgc-dev

With those installed it should build cleanly.

It also relies on the 9p2000.u file system client in Linux.  Most modern
distributions include it as a module, but you may need to load it:

  sudo modprobe 9p

Note that this is only necessary for client machines.

The deploy/ directory contains the scripts I used when testing it for
my dissertation.  They are coded for a specific environment, but they
should be a good starting point for figuring out how to use it.

The results/ directory contains raw data I gathered and graphs that are
in the dissertation.  It's probably not of much use to anyone.

Finally, ocamlenvoy/ contains OCaml code for some of the protocol.
I started the project in OCaml initially, then switched to C.  I still
used OCaml for some debugging and testing (it was much easier to create
packets by hand with the OCaml interactive prompt), so I've included
that code as well.  It doesn't have any of the file system functionality,
but there is code code creating and decoding network messages.

I don't guarantee any support for this code, but I'd be happy to discuss
it and help if you are interested in playing with it.