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 email@example.com
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Dec 07 2001 - 21:00:17 EST