Hi Greg, Am 18.03.2010 22:47, schrieb Greg Freemyer: > 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). That is certainly right! > > 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? If the drives has noted errorneous behaviour on a sector (i.e. marked it pending), it will try to resolve the problem by verify. It just only makes sense that way, doesn't it? > > I've never heard that theory, but it makes great sense. IC, it does ;) > > Greg Stefan -- 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
