Windows Server 2008 R2 missing a drive

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http://serverfault.com – I have a production server (Dell T110 Windows 2008 R2) that was up and running just fine. It has 4 drives 2 256GB drives a spare, and the OS, a 512 that is setup for MSSQL2008R2 Server Data drive just responsible for holding the the MDF files, and an old style TB disk drive for archiving data to. This server has been in production for a few months and has not had any issues. Suddenly the OS quits finding the data drive. This was very intermittent starting Friday night and by Saturday afternoon it was dead. I know SSD's have a shorter life expectancy and configured settings to preserve the SSD (HowTos)