Messages in this thread |  | | Date | Thu, 24 May 2001 12:19:36 +0200 | From | Jens Axboe <> | Subject | Re: Dying disk and filesystem choice. |
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On Thu, May 24 2001, Andi Kleen wrote: > On Thu, May 24, 2001 at 12:58:14AM -0600, Andreas Dilger wrote: > > Well reiserfs is probably a very bad choice at this point. It > > does not have any bad blocks support (yet), so as soon as you have > > a bad block you are stuck. > > reiserfs doesn't, but the HD usually has transparently in its firmware. > So it hits a bad block; you see an IO error and the next time you hit > the block the firmware has mapped in a fresh one from its internal > reserves.
In fact you will typically only see an I/O error if the drive _can't_ remap the sector anymore, because it has run out. No point in reporting a condition that was recovered.
I'd still say, that if you get bad block errors reported from your disk it's long overdue for replacement.
-- Jens Axboe
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