A paper on quattor was presented at the conference USENIX - LISA’08 held in San Diego, CA. Here is the pdf
http://www.usenix.org/events/lisa08/tech/full_papers/childs/childs.pdf
and the HTML version
http://www.usenix.org/events/lisa08/tech/full_papers/childs/childs_html/index.html
Also, presentation slides are available here
http://quattor.wiki.sourceforge.net/space/showimage/slides-qttr_dvlvd_mngmt.pdf