About: http://webisa.webdatacommons.org/193466576

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The only thing that seems different from your problem is the fact that OS X would boot for me after waiting 30 minutes for it to scan the drive and confirm that there is a problem.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com