http://community.spiceworks.com/topic/165293-restore-exchange-inbox-from-backup-exec-2010
http://jimthemcp.blogspot.hk/2010/06/exchange-2010-recovery-database-and.html
http://msexchangetips.blogspot.hk/2012/05/exchange-recovery-database-with-backup.html
http://www.server-talk.eu/2008/11/30/how-to-exchange-recovery-storage-group/