Re: Are linux-fs's drive-fault-tolerant by concept?

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Sat Apr 19 2003 - 17:04:36 EST


On Sad, 2003-04-19 at 18:00, Stephan von Krawczynski wrote:
> Ok, you mean active error-recovery on reading. My basic point is the writing
> case. A simple handling of write-errors from the drivers level and a retry to
> write on a different location could help a lot I guess.

It would make no difference. The IDE drive firmware already knows about
such things.

> Just to give some numbers: from 25 disk I bought during last half year 16 have
> gone dead within the first month. This is ridiculous. Of course they are all
> returned and guarantee-replaced, but it gets on ones nerves to continously
> replace disks, the rate could be lowered if one could use them at least 4
> months (or upto a deadline number of bad blocks mapped by the fs - still
> guarantee but fewer replacement cycles).

I'd be changing vendors and also looking at my power/heat/vibration for
that level of problems. I'm sure google consider hard disks as a
consumable but not the rest of us 8)

>
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