On Thu, 2008-03-27 at 10:27 -0500, Les Mikesell wrote: > Roger Heflin wrote: > >That only catches 'hard' errors. Modern drives have spare sectors and > the ability to remap soft errors internally, up to a point, before the > OS knows anything about them. If the OS (or dd) sees an error, it means > you've used up the spares or the internal retries weren't able to fix > it. The smart interface is supposed to let you know far along you are > in using up the internal correction and how often soft errors are hidden > by the retries. It seems good in theory, and if it predicts the drive > is going bad you should probably believe it. But, I think a lot of > drives fail faster than the internal corrections can handle so you often > don't get any warning. Well, the diagnostic from Seagate indicates that the drive temp was 253, but a smartctl -A /dev/hdbad showed a LOT of 253 values in the data. I'm guessing that the drive electronics have gone bad. It's still sayonara for the drive, but it does help misenterpter the results. Dave
