I recently reinstalled WHS 2011 due to a PS failure on my original machine and lost all of the server backups due to the external backup drive being too small for recent server backups so I bought an off-the-shelf WD My Book Essentials 3 TB USB 3.0. WHS won't backup to it returning an I/O error message so I bought an I-O Data 3 TB USB 3.0 drive and backed up to it successfully. The problem now is that the WHS 2012 S.M.A.R.T. utility warns me that the drive is about to fail because its temperature is 52 degrees so I'm going back to the WD drive. The WD support site says that various server OSes are not supported for the WD drive. I backed up to a smaller My Book Essentials for about eighteen months previously without any problems. I'm going to test the WD drive on another machine using HD Sentinel. Has anybody else had trouble with WD external drives not working with WHS 2011?
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