Economics of ZFS
Paul Murphy posted a good article about ZFS economics in his blog. He correctly states that testing ZFS with a hardware raid controller is nonsensical. You simple don´t need it. We build ZFS to obsolete hardware raid. ZFS works better with direct access to the discs as the performance bottleneck of the hardware raid controller is put out of the equation. It would be fair to compare a Sun/ZFS system without RAID with competing operating system with a hardware raid. From the cost view the economics of enterprise storage will be completly changed by ZFS.