How do I replace a corrupt public folder database with a copy from backup in Exchange 2010?

I am in an SBS 2011 Server environment, with Exchange Server 2010 configured as Hub/Edge single transport machine.  We use Public Folders for a few email-enabled folders, and we had a slight hardware glitch that has apparently corrupted the PF database.  All ability to work with emails in two of the folders is gone, any attempt to move or delete emails results in error.  When it first happened I was getting errors in the Event Log that pointed to hardware problems.  Worked with Dell to get all possible firmware upgrades, and now the data I/O errors have stopped, but the PF database is still in a corrupt state as to the two folders that still don't allow dealing with emails.  I have a good backup of the PF database from the day before the errors started happening (five days ago) but what is the proper procedure for restoring this to a workable state?

I tried just copying the restored database folder from the backup (using an isolated VM) but got errors when I tried to mount the restored database in the live server.  Is it possible to do what I am attempting, and what are the steps?

Thanks, Rob
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Rob GrinageManagerAsked:
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