SQL Server 2008 R2 won't start

Bodhi108
Bodhi108 used Ask the Experts™
on
I put Service Pack 1 on SQL Server 2008 R2 and now I cannot start up SQL Server localhost.  The error I am getting is:

Cannot use file 'C:\Program Files\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\DATA\mastlog.ldf' because it was originally formatted with sector size 4096 and is now on a volume with sector size 3072. Move the file to a volume with a sector size that is the same as or smaller than the original sector size.

I don't care about the existing mdf and ldf since I have a backup.  What do I need to do so I can start up SQL Server localhost?

Microsoft SQL Server Management Studio      10.50.2500.0
Microsoft Analysis Services Client Tools          10.50.2500.0
Microsoft Data Access Components (MDAC)    6.1.7601.17514
Microsoft MSXML                                            3.0 4.0 5.0 6.0
Microsoft Internet Explorer                            9.0.8112.16421
Microsoft .NET Framework                              2.0.50727.5420
Operating System                                            6.1.7601
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What operating system are you running on ?

What size allocation unit does it say when you run "fsutil fsinfo ntfsinfo c:" from an elevated command prompt ?
Commented:
I suggest that you rebuild the master database to get the instance running.

http://msdn.microsoft.com/en-us/library/dd207003.aspx

Then restore your original master backup into a new database.
Stop the SQL Server.
Replace your rebuilt master.mdf file with the restored mdf file (and rename appropriately)
Start SQL Server.

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