The March edition of TechNet Magazine is available on the web now and has the latest installment of my regular SQL Q&A column.
This month's topics are:
Distributed transactions and database mirroring – why they don't work together
Background processes that can cause I/Os even with no connections to the server
How to restore backups from a file containing multiple appended backups
The perennial problem of production databases being too large to restore in development
Check it out at http://technet.microsoft.com/en-us/magazine/ff458345.aspx.