Re: Dying disk and filesystem choice.
Jens Axboe (axboe@suse.de)
Thu, 24 May 2001 12:19:36 +0200
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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/