You can install and boot a ZFS root file system or migrate to a ZFS root file system in the following ways:
Install a ZFS root file system – Available starting in the SXCE, build 90 release.
Migrate from a UFS root file system to a ZFS root file system with Solaris Live Upgrade – You must have installed the SXCE, build 90 release or you must have upgraded to the SXCE, build 90 release. For a list of required Solaris Live Upgrade patches, see Required Solaris Live Upgrade Patch Information.