http://www.theregister.co.uk/2012/06/05/nexenta_exabytes/

There are a few interesting tidbits in there. The most interesting takeaway for me was this was in the roadmap section Powell said Nexenta is adding enhancements to NexentaStor's ZFS dedupe all the time.

Can someone from Nexenta elaborate, what exactly does he mean? There are many ways dedup can be improved...