I tried the patch with minor changes for 2.6.18 kernel with injected read error, and it works as expected: with injected error, adding spare disk would fail with no more repeated retries; unset the injected error, spare disk can be added and sync'ed fine. Thanks, -- Bin -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html