[CentOS] Deduplication data for CentOS?

Mon Aug 27 12:15:27 UTC 2012
John Doe <jdmls at yahoo.com>

From: Rainer Traut <tr.ml at gmx.de>

> is there any working solution for deduplication of data for centos?
> We are trying to find a solution for our backup server which runs a bash 
> script invoking xdelta(3). But having this functionality in fs is much 
> more friendly...
> We have looked into lessfs, sdfs and ddar.
> Are these filesystems ready to use (on centos)?
> ddar is sthg different, I know.

Never tried but what about zfs?