Solaris 10 10/08
By Rajeshr-Oracle on Nov 02, 2008
"ZFS File System Enhancements: The ZFS file system has been enhanced with recent work from the OpenSolaris community, providing ease of data management with no additional cost for acquisition or support. The new version of Solaris ZFS file system offers increased data integrity and fully integrated disaster recovery capabilities. ZFS file system can be used as the sole file system for any class of system, with support for booting and/or for use as a root file system."
To learn about all new features/enhancements in Solaris 10 10/08, watch a video here
In case someone asks you for a copy of the same, please guide them to the Solaris 10 download location.