On 16/02/16 11:46, o1bigtenor wrote: > A major reason as to why the drives are getting replaced. Back in early 2012 > when I setup the machine there was no obvious information that the ERC > type drives were needed so I just bought vanilla drives. This is just what I've got a gut feel for, it seems to make sense of what I've seen on the list ... "new" drives of 2TB or more have the crippled drive firmware unless you specifically buy raid. The original release date of 1TB and less drives predates the crippling, and the manufacturers haven't bothered to go back and "fix" this. So 1TB drives - even desktop ones - seem usually to be okay. Anything over that is suspect. Cheers, Wol Incidentally, any reason for sticking with the same size drives? I'm looking at replacing my Barracudas and might well upgrade from 3TB to 4TB, just because the price difference is minimal. That's despite /home only being half full even though I have a 24MP camera ... -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html