2009/5/26 Andrew Burgess <aab@xxxxxxxxxxx>: > On Tue, 2009-05-26 at 13:59 +0100, Jeremy Sanders wrote: > >> Strangely, the Reallocated_Sector_Ct is still zero on the drive even though >> Current_Pending_Sector is now zero. This is a Samsung HD103UJ by the way. > > That can be ok. It probably tried writing and then rereading and when > that worked it decided the sector didn't really have a 'hard' error > (like a physical defect on the platter) and thus didn't need to be > reallocated to a spare sector. You could generate an unreadable sector > during a write by the power failing or with excessive vibration. > I have a question, in this situation, if I do as Jeremy did, write zero to bad block to make drive think it is not bad any more, then what about old data? Isn't it lost? > That said, the drive firmware could also be broken > > -- > 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 > -- The simplest is not all best but the best is surely the simplest! -- 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
