Messages in this thread |  | | Date | Sun, 2 Dec 2001 01:08:23 +0100 | From | Matthias Andree <> | Subject | Re: Journaling pointless with today's hard disks? |
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On Thu, 29 Nov 2001, Pavel Machek wrote:
> > Drives should never reassign blocks on read operations, because they'd > > take away the chance to try to read that block for say four hours. > > Why not? If drive gets ECC-correctable read error, it seems to me like > good time to reassign.
Because you don't know if it's just some slipped bits, a shutdown during write, or an actual fault. When that happens on a verify after write, that's indeed reasonable. Otherwise the drive should just mark that block as "watch closely on next write". - 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/
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