On Jul 16, 2009, at 11:08 AM, Eric Shubert wrote: > I'd look into the controller. The Promise PCI SATA cards are known > to be > problematic with linux. I don't know the details, but have seen 2 of > them have problems with software raid at least. The problem can be > very > sporadic, so it seems to fit your symptoms. Google for the details. > > Please let me know if/when you find a PCI/SATA card that works! I followed the emails about problems with Promise controllers a few months ago. I'd planned to buy a Promise card up to that point, but went with a SYBA card w/ a SIL3112 chipset, since it seemed to be better supported / less buggy in linux. This is the one I have: http://www.newegg.com/Product/Product.aspx?Item=N82E16815124006 alex