Lost my SQL Server 2005 host, SQL Server 2005 database import into SQL Server 2012? My SQL Server 2005 host died, but the database related LUNS were on a SAN and still exist.  Is there a way to use my SQL Server 2012 host to recover that database or import it in some way?
The absolute best way would be to restore onto 2012 from backups if you have them, but you can also attach the databases from the SAN files onto your 2012 instance.

Once you do that, be sure to run DBCC CHECKDB to make sure all your data is intact.