as you've deleted the BE i don't think it is neccessary to re-run fsck... just try to create the BE again after creating a new fs (newfs) on the target disk(s).
you have to delete solenv2 before you can create the environment with the same name again... but there seems to be a problem with the mountpoints for the new environment. they seem to be on a...
Deleting an Inactive Boot Environment - Oracle Solaris 10 8/11 Installation Guide: Live Upgrade and Upgrade Planning (http://docs.oracle.com/cd/E23823_01/html/E23801/lumaintenance-25.html#scrolltoc)