Update: 8/9/15: So happy with the Seagate 5T drive I had, I bought another one that i found locally on a good sale. The shell had a blue bottom - and it was much easier to extract the drive than the prior generation. The drive model was the same as what I had. It made it through the preread and zeroing phases with no problem, and was 80% through the post read. But next time I checked back on it the drive had been dropped from the server. It was /dev/sdc, and that device no longer existed. Long s