Re: [patch 4/5] fail-injection capability for disk IO

From: Mario 'BitKoenig' Holbe
Date: Wed Aug 23 2006 - 15:32:05 EST

Jens Axboe <axboe@xxxxxxx> wrote:
> On Wed, Aug 23 2006, Andi Kleen wrote:
>> I think I would prefer a stackable driver instead of this hook.

I second this, preferrably a device-mapper target similar to dm-error.

> But that makes it more tricky to setup a test, since you have to change
> from using /dev/sda (for example) to /dev/stacked-driver.

Do you really think somebody would run such tests on otherwise normally
used devices?

There are two major products that come from Berkeley: LSD and UNIX.
We don't believe this to be a coincidence. -- Jeremy S. Anderson

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