ZFS and Solaris 10 1/06
I´ve got several hits from Google with queries like “+zfs +solaris +1/06”. ZFS is not part of Solaris 10 1/06. You have to use Opensolaris for experimenting with ZFS. My personal guess it will be integrated in the next(unprobable) or the following(more probable) upgrade. But it´s a filesystem. Before we can release it with the production version it has to be really,really stable.