SQL* (3/21/2013)
If there is any corruption while writing the data to PRIMARY File Group's files the database will not available to access. We can make the Database available by adding Secondary FG and placing the data to this Group.
No, absolutely not. If there's corruption in the primary filegroup then you need to restore or repair the database, restore preferred in most cases.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability