[dm-devel] Re: [RFC][PATCH] dm-cow: copy-on-write stackable target for device-mapper

["Eric Van Hensbergen" <ericvh gmail com>]

On 11/27/06, Eric Van Hensbergen <ericvh hera kernel org> wrote:
> Subject: [RFC] [PATCH] dm-cow: copy-on-write stackable target for device-mapper
>
> This is the first cut of a device-mapper target which allows stacking of
> multiple block devices and in which the top-layer of the stack is a
> copy-on-write layer.  It was originally developed in support of a cluster
> image management solution.

The paper describing our motivation for this work including some
description of this implementation and performance results is now
available:

http://domino.research.ibm.com/library/cyberdig.nsf/1e4115aea78b6e7c85256b360066f0d4/801d563d3be022198525723c006fafc1?OpenDocument

          -eric