On Thu, Mar 18, 2010 at 3:37 PM, David Rees <drees76@xxxxxxxxx> wrote: > On Mon, Mar 15, 2010 at 4:20 AM, Iain Rauch > <groups@xxxxxxxxxxxxxxxxxxxxxx> wrote: >> The 'Current_Pending_Sector' was still 1, so I dd zero onto the whole drive. >> I guess I could have just done part of it, but I suppose that verified the >> whole drive 'works'. It only took ~5 hours. Funnily enough this did fix the >> Current_pending_sectors count back to zero. Still no error reports in the >> SMART data, and 'Reallocated_Event_Count' didn't go up - shouldn't that have >> gone up to one? > > No - the drive was able to successfully write to the sector it was > unable to read from. If the write had failed, it would have > reallocated the sector. > > -Dave Dave, Most sector writes are blind (ie. non-verified). Is your theory that if the sector is marked as a Pending_Bad_Sector a write is done, but it is verified, and a reallocate only occurs if the verify fails? I've never heard that theory, but it makes great sense. Greg -- 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