Hi tkutil,
I never did this but : I got some useful blogs around this: You may want to explore:
http://www.demitasse.co.nz/wordpress2/2009/08/recovering-a-deleted-vmfs-datastore/
http://vmwaremine.com/2013/09/20/recover-vmfs-datastore-with-all-data/#sthash.YonfgJW4.dpbs