The wonderful day has arrived, SAM/QFS have been released to the world as code! The code is CDDL licensed and you can download the complete code now!!
If your new to SAM/QFS, these two pair up to form an amazing Hierarchical Filesystem. This gives you truly tiered storage capability, moving data transparently between front-end (high-end disk) and back-end (commodity disk, tape) on demand, as well as a host of other exciting capabilities. Explore SAM/QFS on the OpenSolaris SAMQFS Project Page or on Wikipedia.
A very warm to congratulations to the SAM/QFS teams and everyone at Sun Microsystems for moving SAM/QFS into a very bright future!